How To Grow Autoflower Weed Seeds

How to grow Autoflower seeds ? Autoflowers are feminized cannabis seeds, also known as auto seeds or autoflowering seeds. Growing autoflowering cannabis seeds outdoors is easy and it's a very good option for beginner growers.

How to grow autoflower seeds

How to grow Autoflower seeds ? Autoflowers are feminized cannabis seeds, also known as auto seeds or autoflowering seeds. What makes these cannabis seeds different is their unique growth cycle. Traditional photoperiod feminized seed varieties start to flower when light hours are reduced from 18 to 12 hours. Outdoors photoperiod feminized seed varieties are induced to bloom by the days getting shorter.

Autoflower varieties don’t need the day light hours to shorten in order to initiate bloom, it happens automatically. Many indoor growers cultivate their autoflower plants under 20 hours of indoor light.

How to grow autoflower seeds : Life cycle

Most autoflowers have a life cycle of about 10 to 12 weeks for indoor growers. After germination the seedlings will grow and start to flower automatically usually after 4-7 weeks indoors. Most indoor growers of autoflower seeds harvest their plants around 10-12 weeks after germination.

Outdoors the autoflower growth cycle can take a couple of weeks longer due to the cool temperatures, reduced daylight hours and the effects of the weather. Cold nights, for example, can delay the growth of an autoflower. In general autoflowers can take between 10-15 weeks when grown outdoors, depending on the climate you live in.

Growing Autoflowers in short summers

Autoflowering varieties have been especially important for outdoor growers. Normally cannabis is planted outdoors in the Northern Hemisphere around April and harvested around October. This gives a 6-7 month lifecycle when growing feminized photoperiod cannabis seeds. However some countries have summers that are too short to allow outdoor growing over this time period.

Growers in these countries have to resort to either indoor or greenhouse growing and sometimes this was not always convenient/safe for the grower. Autoflower seeds changed that. Even growers in Scandinavia are able to find a suitable sunny 10 week growing window and the result is excellent quality marijuana. In Mediterranean and some temperate climates up to 3 successive crops a year are possible with autoflower cannabis seeds.

Typical questions about Autoflowers

These days lots of growers use autoflower seeds for home cultivation or professional legal cannabis cultivation. You can expect high THC levels, easy and uncomplicated growing and heavy yields. You can grow them under any light cycle indoors or outdoors. Feminized autoflower seeds are a fast way to get a harvest of top quality cannabis whether you are growing indoors, outdoors or in a greenhouse.

How do Autoflowers compare to normal photoperiod outdoor varieties?

Autoflowers can be ideal for a discreet but sunny corner of your garden, greenhouse, patio or an outdoor guerrilla spot. Compared to normal outdoor varieties an autoflower will usually yield less. That’s because photoperiod cannabis varieties can grow for about 6 months. This gives them plenty of time to reach heights of 2-3 meters outdoors, or more. However autoflowers grow for a shorter period, typically 12-15 weeks outdoors. This allows autoflowers to stay much smaller and more manageable. One other convenient feature for growers is that autoflower seeds can be grown multiple times during a spring / summer period. You may be able to get 2 or even 3 successive outdoor autoflower crops per year.

How big can autoflower plants get?

As a result of the short lifecycle of these plants, autoflower seeds often produce smaller, more compact plants. Most autos grow to about 1 meter in height. Some autoflowers, mostly Sativa dominant ones, can exceed this height and grow taller. Varieties like Auto Daiquiri Lime®, Auto Xtreme® and Auto Glueberry OG® are known to grow and reach heights of 1,50m.

How much yield can I get from my autoflower plant?

Although the life cycle and height of autoflowers is short, they can produce excellent yields of top quality cannabis. Of course, just with any cannabis seed, much depends on the experience and skill of the grower. Much also depends on the grow conditions, lighting, nutrition etc.

How much cannabis can you grow from an autoflower seed/plant? Often around 50-100 grams is a typical result. Some customers who have grown them in Southern Europe have reached yields over 200 gram from a single outdoor autoflower. Indoors growers with good conditions yields can exceed 200 grams per plant. The most experienced growers using hydroponic grow techniques such as deep water culture with an optimized environment (including LED grow lights) can achieve 500-1000g of dried buds from a single auto plant.

Make no mistake, if you are growing autoflower seeds in good conditions, you can get XXL THC rich crops. You can also get CBD rich autoflower seeds, with varieties such as CBD Auto Compassion Lime, CBD Auto White Widow and CBD Auto Charlotte’s Angel.

How many hours of light does my autoflower need?

What is the best light schedule for autoflowers? Because autoflowers start to flower automatically, it doesn’t really matter. Many people grow autoflowers with 20 hours of daily light all the way from seed to harvest.

Can I grow autoflowers on 24 hours of light?

Some people grow autoflowers under 24 hours of daily light. So it is possible to grow autoflower plants without any dark period during their entire life cycle. However Dutch Passion feel that having a dark period has many benefits.

For one it saves electricity, and the difference in yield is not that significant. Also, in hot climates it can be very useful to set your dark period during the hottest part of the day, allowing the temperature in your grow room to remain as cool as possible. This reduces the chance of heat and light stress.

Some people even feel that resin production may actually increase during the dark periods. So although it’s possible to grow autoflower seeds under 24 hour light from seed to harvest, we advise using a 20/4 light schedule for your autoflower cannabis plants.

What size pot do I need for my autoflower plant?

“the bigger the pot the larger a plant can get”

The general rule with cannabis plants is “the bigger the pot the larger a plant can get”. For photoperiod plants this is often very much true. But since autoflowers are so small and only grow for a short period, a size of 10L-15L is already sufficient to grow a decent size cannabis plant. Still growing your autoflower seed in a larger pot might just help push it to a larger sized plant.

When growing autos outdoors in a sunny and hot climate we recommend using a slightly bigger pot, somewhere in the 20-50L range. The extra soil and root space gives the plants a larger buffer zone for those sunny tropical days where temperatures can reach 30-40ºC. This maximises the amount of water available to the roots and minimises the chances of the root ball drying out.

Do autoflowers provide the same quality cannabis as normal photoperiod varieties?

In the very early days of autoflower seeds, the first generation autos lacked the yields and high THC content for mainstream appeal. But the work done on second and third generation autoflowering seeds has changed all that.

These days there is hardly any difference in quality between the normal photoperiod cannabis varieties and the best autoflower seeds. Some autoflowers can even reach potency levels above 20%. But do your research carefully. There are still plenty of low quality autoflower seeds available and the difference between the best autoflower seeds and the worst ones is significant. Choose a cannabis seedbank with a proven track record!

Where can I buy autoflower seeds?

Dutch Passion has a fully proven autoflower cannabis seed collection with plenty of cannabis cups and awards. You can order cannabis seeds online from the Dutch Passion website or from one of the official resellers.

Find the perfect variety for you, and simply follow the steps. You can even select express shipping, which ensures that your cannabis seeds will be delivered within 24/48 hours after your payment is received. All orders are shipped discretely.

Autoflower seeds and Dutch Passion

Autoflower seeds have created a surge of interest in the cannabis community since they were first introduced. As with the creation of feminized seeds, Dutch Passion have played a key role in the development of autoflowering seeds. Dutch Passion currently offers one of the best and most extensive collections of autoflower seeds available. And we work hard to promote and develop new ones each year.

Dutch Passion’s auto flowering seeds have rapidly become best sellers. Many growers have found that the unique properties of autoflower seeds were just what they required. Easy, quick and convenient – try growing some soon!

7 Comments . Leave new

Hallo,
ich habe zusätzlich Sorge, dass außer Autmazar Automatics andere Automatics an den Eisheiligen um den 15. Mai erfrieren. Könnt ihr darauf mal irgendwo eingehen. Auch wie hoch die wegen Frist sein sollten, wenn man sie im April oder viellicht ist März schon möglich, aussetzt? Reicht eine Indikadominanz, um das zu verhindern?
Mir fehlt auch ein Bezug zur Geruchsstärke, weil danach oft von Anderem gesucht wird, um eine Haschpflanze aufzuspüren. Gibt es welche, die nicht über 5 oder 10 Meter zu riechen sind?
Gruß, Johannes

Hello,
Frost can always be an issue indeed if you start growing outdoors to early. These days it hardly freezes in May but you should still be careful.
All plants that are in bloom will smell, but this is mostly during the last stage. If you grow an autoflower you will have a short period of time where you will smell the plant.
Greetings,
Joe
Dutch Passion

Google Translate:
Hallo,
Frost kann immer ein Problem sein, wenn Sie zu früh im Freien wachsen. Heutzutage friert es im Mai kaum noch ein, aber Sie sollten trotzdem vorsichtig sein.

Alle Pflanzen, die blühen, riechen, aber dies ist meistens in der letzten Phase. Wenn Sie einen Autoflower anbauen, haben Sie eine kurze Zeit, in der Sie die Pflanze riechen werden.

Schöne Grüße,
Joe
Dutch Passion

Hey Joe.
First time grower. Growing autos WW and lime in a greenhouse. Just wondering if you have any advice on greenhouse growing. I can’t really control the temperature because of where I’m living. Although we’ve had a great end of April /May. Sunlight has been strong but we’ve still gotten some wet and windy days here and the plant seems like it is a bit behind it’s growth cycle from what I’m reading online but most info I’ve found has focused on full outdoor or indoor growing Cant really find too much on greenhouse methods. Just wondering will the plant still go through its flower and veg phases? Or am I over thinking it and as long as growing it will be fine? Maybe a bit small or stunted but it will finish it’s cycle to harvest? Thanks in advance for any help

How To Grow Autoflowering Cannabis Seeds Outdoors

Find out all you need to know about growing autoflowering Cannabis outdoors, and all the important things to consider.

  • 1. What should i consider before planting?
  • 1. a. Indoor vs outdoor
  • 1. b. Climate region and your location
  • 1. c. Mold and pests
  • 1. d. Protecting your plants outdoors
  • 1. e. Tips for beginners
  • 2. Optimal conditions
  • 2. a. Light cycle and best time to start
  • 2. b. Temperature
  • 2. c. Humidity
  • 2. d. Spacing
  • 2. e. Best nutrients
  • 2. f. Genetics
  • 3. Step-by-step guide on growing autoflowering cannabis outdoors
  • 3. a. Step 1: germination
  • 3. b. Step 2: seedling
  • 3. c. Step 3: the vegetative stage
  • 3. d. Step 4: the flowering stage
  • 3. e. Stage 5: harvest
  • 4. Drying, trimming, and curing your outdoor auto harvest
  • 4. a. Drying your buds
  • 4. b. Trimming your buds
  • 4. c. Curing your buds
  • 5. In conclusion

If you reside in a location where growing weed is legal, you’re in luck. Not everyone can grow cannabis especially outdoors, but if you do get this opportunity use it! With a little knowledge, you can produce loads of buds. And, if you’re here to understand a bit more about how to grow autoflowering plants outside, read on and you’ll know everything there is to know.

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Growing autos outdoors is easy because they don’t depend on light to flower. You can grow them almost all year round, by just providing good nutrients and protecting them from pests and rain. Remember that the yield will depend on the light cycle so it’s better to plan ahead.

1. What Should I Consider Before Planting?

Indoor vs outdoor

This is a huge question growers have before starting to grow their own weed because both of them have their pros and cons. To make this decision, you will have to have a couple of things in consideration: environment, smell and most important of all: cost.

Cost is the most important because you will need to spend quite a bit of money to buy a good light fixture, exhaust fan, filter and grow tent, even though it seems like a lot, this will allow you to control every aspect of the growing environment, will allow you to eliminate odor and be more discreet because unless you allow a person in, no one will be able to see your growing operation.

When growing outdoors you won’t have to spend much other than with pots and nutrients, but you should remember that when growing outdoors you won’t be able to control the climate and you can suffer from extremely cold or hot climates and this will affect your plants growth. Another disadvantage is that your plants will be visible and the odor can be a problem if you live in a place where cannabis is not legal.

Climate region and your location

If you’re starting to grow cannabis just now, you probably are wondering When to plant? Well, this will depend on the expected weather and all the things that come with it. There are 6 climate regions in the world, in each one of them the temperature, humidity, and sunlight vary so you should plan according to your environment.

Tropical climates

The tropical climate can be found along the equator region, in cities like Brasília (Brazil), Miami (United States), and Biak (Indonesia), and is characterized by a high temperature and high humidity with an average temperature of 18°C all year long.

Subtropical climates

The subtropical climate is characterized by hot, humid summers and cool, mild winters and is usually located near the coasts like São Paulo (Brazil), Orlando (United States), and Hong Kong (China). This type of climate can be found in all the continents with a high average of 24-27°C and lows from 10-16°C with moderate humidity.

Cold climates (Subarctic and arctic climate)

Cold climates occur in cities like Anchorage (Alaska), Sumedang (Indonesia), and Moosonee (Canada), in these climate regions the humidity is fairly low, the climate is extremely harsh, with an average of -10°C in winter and not exceeding 26°C in summer.

Temperate climates

Temperate climates can be found in cities like Sydney (Australia), Buenos Aires (Argentina), and Atlanta (United States), it has moderate relative humidity, with an average low of 10°C during 6 months of the year and an average high of around 22°C.

Dry climates (arid and semi-arid climate)

Dry climates can be found in cities like Lampedusa (Italy), Reno (United States), and Jaipur (India), it is characterized by really low humidity, with extremely low temperatures at night, reaching -10°C and extremely cold hot during the day, around 45°C.

Depending on where you live, you will have to plan ahead, knowing the expected temperature, humidity, and amount of sunlight your plants will receive can make a huge difference in yield.

For example, California gets an average of 14:30hrs of sunlight in the summer1 and around 9:40hs in the winter, so you should plan your growing cycle according to where you live.

Mold and pests

When growing outdoors it can be fairly easy to get bugs and pests.

Your plants are directly exposed to the environments so you should be careful with rain, high humidity, and temperature, the right combination of these elements can attract bugs or mold to your cannabis plants and because you can’t control the environment, it can be quite hard to deal with it.

Protecting your plants outdoors

Cannabis plants must be protected from harsh weather and predators, depending on where you’re growing your plant can be attacked by bugs or even bigger animals like dogs, cats, or rodents this is why it’s better to have a wire fence around them if needed. The fence needs to be underground and above ground around your plant and the roots, despite seeming too much it is essential because animals like gophers and moles live underground, they look for roots to feed on and can eat a whole plant overnight.

It’s also a good idea to build a simple structure to help protect your plants from snow and rain, this structure can be built with wooden stakes and a plastic sheet and will ensure your plants don’t freeze or get mold.

When planting in the ground it’s essential to protect your plants against gophers and moles with a wire cage.

There’s no need to spend too much to protect your plants, a wire fence is fairly cheap and if you want to make a hoop-house it can be easily made with a plastic sheet and plastic tubes, if you want a sturdier one you can build a metal or wood but the structure will be basically the same.

Tips For Beginners

If you’ve never grown cannabis before, there are a couple of things you need to have in mind. Depending on the city you live in, you have to be sure your growing space is discreet, this means not only the plants shouldn’t be visible but also neighbors shouldn’t be able to smell the plants. This not only applies to the plants themself but also the light. Usually grow light fixtures are super bright and can be seen from far away if you don’t make sure there are no light leaks. Masking the smell outdoors can be a little bit tricky because you don’t have a way to eliminate the smell.

You can guerilla grow on your balcony using lots of aromatic plants that will help to camouflage your cannabis plants, it’s not a guarantee that the smell won’t bother your neighbors. Even though you can train your plants, the best way to avoid this is to grow Indica dominant, they tend to grow shorter and compact, so you don’t need to train them (if you don’t want or know how to).

If you wish to grow a specific strain that grows tall, you should grow them in smaller pots or train them so they can’t be seen by people walking by or from other balconies. You can also build a structure similar to a hoop house around your plants, by covering them with a plastic sheet you can keep the rain off, reduce light like most outdoor growers do with the light deprivation technique, and have more stealth cannabis grow.

2. Optimal conditions

Light cycle and best time to start

It is important to understand the life cycle of an autoflowering Cannabis plant, and how they differ from normal photoperiodic cultivars. As the name suggests these strains will begin to flower automatically thanks to their Ruderalis heritage. Originally found in Siberia, the dwarf-sized, low potency Ruderalis had the ability to grow in a vegetative stage and then flower automatically independent of the light cycle. An incredible trait that autoflowering cannabis strains carry nowadays.

Hours of darkness

Once you understand that it’s possible to plant automatics outdoors at any time of the year, you can begin to plan your growing cycles based on the temperature, humidity, and sunlight where you live, although you need to have in mind that outdoors, the light cycle depends on the season you’re in and can differ from one place to another, resulting in more or less plant growth and consequently better (or worse) yields.

The best time to start growing photoperiodic cannabis depends on the amount of light you get, but with autoflowers, things are different. Because they grow fast and don’t depend on light to start flowering, you can grow them outside whenever you want. Of course, the temperature may have an influence on the result but you most likely will have beautiful flowers after every harvest.

Temperature

Due to the tough resilient nature that autoflowering Cannabis possesses, depending on the strain, it is easily possible to harvest buds during the coldest time of the year with the shortest daylight hours, as well as during the hottest and longest days. It is this incredible ability to adapt to any climates from harsh and cold to lovely and hot that allow for any grower to achieve a harvest all year long.

Although there is an optimal environment that all plants prefer, even though autos can withstand harsher climates, the best temperature to grow auto cannabis plants is from 18-25 °C, with a 60% relative humidity and preferably 18 hours of light per day.

The ideal conditions for a plant to develop to it’s maximum are at least 18hs of light, 60% relative humidity and a temperature between 18-25°C.

Growing in summer

If you’re growing in hotter climates you will need to adjust watering and the amount of nutrients. This is because higher temperatures tend to accelerate the plant’s processes, so you will have to adjust feeding to your plant’s necessities. Also, have in mind that in summer there is an increase in humidity levels so it is good to perform LST techniques to keep good airflow in between the buds and branches and avoid fungus or bugs.

Growing in winter

In colder climates plants tend to slow down their rate of growth, so you will usually use less nutrients. Also have in mind that in the winter the humidity levels are lower, so you’ll want to water sporadically so your plant has time to absorb the nutrients. Have in mind that if the temperature is below 4°C, water can freeze the roots, so it’s better to feed your plant when the temperatures are higher.

  • Some automatics can take very cold weather as well as intense heat.
  • It is possible to plant from early Spring until late winter with great results.
  • Autoflowering Cannabis is very resistant to mold, mildew, and wind.
  • Avoid planting seeds if your garden is showing signs of frost.

Humidity

The humidity levels are super important for a cannabis plant, if the humidity is too high or too low the plant will have a hard time “breathing”, so it’s crucial you know what humidity levels to expect for each stage of plant growth before cultivating. In the seedling stage, your plants will develop better in 60% relative humidity because baby plants don’t like a drier environment and actually need the extra moisture to develop properly in the first weeks of life.

You have to gradually decrease the humidity from 60% down to 50% in the vegetative stage, this is because at this stage plants have already started photosynthesizing and need that relative humidity level to be able to do it properly. Once your plant has entered the pre-flowering stage, you will have to gradually decrease the humidity level to around 40-45%, the buds are full of water so this will prevent them from molding and will result in a healthier plant.

Spacing

Because cannabis plants will grow and develop a lot of branches, it’s necessary to leave space between them, if you don’t know how much space you should leave between the plants you need to think about the size they will have. For example, in 1m 2 you can fit around 10 small plants, 6 medium plants, and 3 big plants or have around 30-45cm in between small plants, 50-60cm between medium plants, and 65-100cm between big plants, although autoflowering plants usually don’t grow too much so if you leave around 40cm in between you should be fine.

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By providing enough spacing between plants you prevent problems you may have further into the growth cycle, like the light not reaching deep enough, taller plants overshadowing the smaller ones, and other issues like the lack of airflow.

Best Nutrients

Depending on what you can find (or want to use) there are two options for feeding your plants: organic or synthetic nutrients, both of them will work just fine but each one has its pros and cons. Organic nutrients can be harder to use for new growers but can result in a better tasting, better smelling flowers and will be harder to burn your plants while synthetic nutrients are super easy to use, you just have to follow the instructions on the package and maybe adjust the dose with some plants, but it’s fairly easy, just have in mind that synthetic nutrients can burn your plants easily so you need to feed with care, paying attention to the signs your plant gives you.

Either way, as long as you provide an NPK ratio of 2-1-3 in the vegetative stage and 1-3-2 in the flowering stage, your plant will grow great.

Genetics

A big issue when growing autoflowering strains is the genetics, even if you do everything perfectly you can still be disappointed with the quality and amount of flowers your plant produces, that is because you need good genetics to have a good harvest. Depending on where you live, a certain type of strain will have a better result than another.

If you live in a part of the world that has hotter weather, you are able to grow any type of autoflowering strain but it is recommended to grow Sativa-dominant hybrids. This way you’ll make the most out of every seed because Sativas usually grow taller and with more flowering sites, resulting in a bigger yield.

I grew this with other fast buds strains. I’m very happy how they all grew. I use soil, 19L pots on a 20/4 light cycle. They love it.

This more demanding and larger yielding variety will flourish under the constant sunny climate.

Automatics can really help a grower who experiences colder climates, you should grow Indica-dominant hybrids because their Indica heritage makes them more resistant to cold and a high level.

Just an easy to grow, solid packed buds. A heavy feeder and can be a bit prone to light burn at the end but otherwise perfection!

She is very resistant and will be ready to chop, even after any heavy rain or cold spots.

3. Step-By-Step Guide On Growing Autoflowering Cannabis Outdoors

Growing autoflowering cannabis outdoors can be really simple, by following these steps which represent the timeline of a cannabis plant’s growth you can successfully grow your own medicine.

Step 1: Germination

Before planting your seeds, you will need to germinate them, this is the first step to a successful harvest. There are a couple of ways to germinate seeds, you can germinate them directly in the soil, in paper towels, or submerge them in a glass of water.

We recommend submerging them in water for around 12 hrs before planting or transferring them to paper towels. Remember the seed shell needs to be damp so it’s easier for the seedling to grow out of it.

You should also have in mind that leaving the seeds in water for too long will drown them, so you should keep them for a maximum of 24hrs if they’re too old, but 12hrs is all you need for good seeds.

How Deep To Plant Your Seed?

After germinating your seed, you’re gonna have to plant it in the medium. You should be extremely careful with this process because the radicle is super fragile. To avoid damaging it, you have to make a small hole with your finger up to the first line of your index finger or around 2-3cm with a pen. That is deep enough for your seedling to grow relatively fast, also make sure you don’t press the soil on top, just throw a little bit of dirt so it’s not too compact and the seedling doesn’t struggle to come out.

Planting In Pots or The Ground?

Once you germinate your seeds, you will need to decide to grow in pots or directly into the ground. Sometimes it is more logistical to use pots because they can be moved around if you need to, however, if you want to spend less and can find a good spot for your plants, you can definitely plant them in your backyard, for example.

Be careful when planting in the ground, gophers and moles are hard to spot because they live underground and they can eat your plants, if you see holes in the ground you should avoid that place. These animals feed on the roots and fibers of the plant and will make your plant disappear overnight.

If you’re growing in pots you should go for a mix of mediums, such as coco coir, perlite, and soil. This will allow your plants to grow more easily, with more oxygenation in the roots, and will help drain the water when watering.

  • Pots can be moved around to follow the sun.
  • Small plants can be easily camouflaged.
  • Planting in the ground (in fertile soil) saves you from having to buy soil and nutrients.
  • Organic nutrients are packed with beneficial microorganisms.

Step 2: Seedling

Around 10 days after your seeds have germinated and you placed them in your medium of choice, the seedling will start to emerge from the soil. If you want to make sure your seedlings are safe, you can keep them indoors and transfer them outdoors after you see the first true leaves.

Cannabis seedlings don’t need that much light so they can grow under a CFL light, remember that if you keep your plants under LED or light bulbs, they can get stressed when transferred outside, so you should transfer them as soon as you see the first pair of true leaves fully developed to avoid this. At this stage, the cotyledons have run out of nutrients so your plant will start to need sunlight and nutrients to develop properly.

Step 3: The vegetative stage

When your plant has developed the first pair of true leaves, it is officially in the vegetative stage and this is when you should start watering with nutrients, starting with a low dose and gradually increasing.

At this stage, you should give plants more nitrogen (N) and potassium (K), these are the macronutrients a plant needs to thrive, you should also decide on your location and which part of the garden or terrace receives the most sun.

Placing your plant in the direction where the sun rises is the best option, meaning that when the sun sets, the plants will receive the final amount of sunlight each day ensuring the most direct sunlight possible. To be 100% sure, you can easily look up on the internet in which direction the sun rises, for example, East in Manaus 2 and Northeast in Sydney 3 .

How often to feed?

The watering schedule will depend on the genetics and the environment, there’s no way to say exactly how many times and how much water your plant needs. The best way is to water again when the soil is approximately 65% dry or by lifting the pot, if it’s heavy then it probably still has water in it, if it’s light it probably is dry and needs watering.

For How Long Plants Grow?

Depending on the strain you choose to cultivate, the amount of time it needs to completely mature may be different. Even though all autoflowering cannabis plants are hybrids, some of them have Sativa heritage and others Indica, so their size and how long they grow varies. For example, strains with Indica heritage can take around 8 weeks to mature whereas strains with Sativa heritage can take up to 11 weeks.

How Big Plants Get?

How tall a plant grows depends on their heritage. This is because Sativa’s usually stretch and grow less leaves than Indicas, which grow short and bushy.

So the size will depend on their genetics. For example, a Sativa dominant strain can grow up to 150cm while an Indica dominant hybrid will range from 80-100cm.

Plant training

When growing Cannabis outdoors, it is a good idea to plan ahead in terms of plant training. This will normally be done in the early stages and will benefit the plants greatly once flowering commences. Low stress training is a very simple technique that has many benefits and can be performed in different methods and several ways, the most known technique being the Tie-down method.

Plant training techniques should be started when your autoflower has around 3-5 pairs of leaves and should be stopped right before the pre-flowering stage or when you have achieved the structure and size you were aiming for. In this timelapse video, our grower shows you a combination of high stress and low stress plant training methods, although you shouldn’t HST unless you have a bit of experience.

As you can see, Green 75 spaced out the branches and cut off the excess foliage so the buds have more space and light to develop, this also encourages the plant to develop more bud sites, allows more airflow in the buds and the light to reach deeper, resulting in better developed and fatter buds.

When plant training autoflowers it is not always recommended to use high stress training techniques (HST) if you’re not experienced, this is why we recommend using low stress training (LST) techniques like the one shown above.

Step 4: The flowering stage

After a couple of weeks in the vegetative stage, your plant will start to show white hairs (pistils), this is a sign that your plant is ready to start producing flowers, at this stage you should start feeding flowering nutrients.

Your plant needs lower amounts of nitrogen (N) and higher amounts of phosphorus (P) and potassium (K) to properly develop flowers, if you don’t provide phosphorus and potassium the buds will develop airy and light, it is crucial to feed your plant properly if you want fat dense buds.

How to make buds bigger?

There isn’t an exact way to make the buds bigger, buds develop big and dense when they grow with a combination of a good environment and good nutrients, this is why you should plan your grow cycle a couple of weeks before germinating your seeds.

There can be huge differences in the quantity and quality of flowers between a plant grown in cold with fewer hours of sunlight and a plant grown in better conditions with more sunlight.

Supporting autoflowering cannabis outdoors

Cannabis plants outdoors usually don’t have a limit to stop growing and unless you limit their size by planting them in smaller pots, they can grow huge.

Despite huge plants not always being a bad thing, the buds will also grow big and dense, and sometimes the branches won’t be strong enough to hold them and snap, this is why you need to add support. There are several ways to provide support to your plants, you can do this with bamboo stakes, a trellis net, or tomato wire cages.

When do plants start to smell?

Autoflowers usually start smelling around week 4-6, when they’re in the pre-flowering stage, this happens because when your plant starts developing flowers it will also produce trichomes which contain terpenes and are responsible for the smell.

This is when you should install your carbon filter or any other method to eliminate the typical cannabis smell, remember this is just a guideline and some cannabis plants can start to smell as early as the 3 week of plant growth.

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How much plants yield?

How much plant yields will depend on the genetics, although despite the size, Indicas can yield more than Sativas or vice-versa. Usually, the amount they yield will depend on the growing conditions, you can harvest up to 200g from a single plant or as low as 40g. It solely depends on how you take care of your plants and their genetic characteristics like the density of the buds and the amount of bud sites.

Bamboo stakes

Bamboo stakes are the most common way to support branches because they’re cheap and effective although they cannot be used for long because they are exposed to rain so they can rot and spread powdery mildew to your plants.

Trellis net

A trellis net can be used not only to support the buds but also to control the size of your plants, although it’s a bit harder because you will need to build the structure (metal or bamboo stakes around the plant) to secure the net too.

Depending on how you use a trellis net it can provide support and also control the height of your plants.

A trellis net can be used both horizontally on top of your plants (like in Scrog) or vertically around the plants (like a tomato cage), both ways will work great and it’s just a matter of preference, if you want to control height you can place it on top but if you don’t need to, just place it around to support the branches.

Tomato Wire Cages

Tomato wire cages work the same as placing a trellis net around your plants, they will support the branches from every side but won’t control the height.

Tomato cages can also be used as a structure to tie-down the branches to and are fairly cheap, although you will have to cut it open to remove your plants so they aren’t reusable.

Stage 5: Harvest

When to harvest?

The best time to harvest your cannabis plants depend on the type of effect you wish to achieve, there are three types of high that you can achieve by looking at the trichomes. You shouldn’t harvest when the trichomes are clear because they have not developed enough and the potency will be reduced.

You should harvest your plant when around 40% of the trichomes are amber, this is when trichomes are at their peak potency.

When the trichomes are cloudy, you will have a balanced mix of cerebral and corporal effects, this is when you should harvest your plants if you want to experience all the potency a plant can offer. If you want to experience the complete effect a plant has to offer, you should harvest when around 30-50% of the trichomes are amber. If you harvest when the majority of the trichomes are amber, you will have a more corporal effect because the trichomes have ripened a bit too much.

There’s no correct time to harvest, as long as you harvest to get the effect you wish you’ll be satisfied with the result.

  • Check if the buds are dense, swollen, and hard to squeeze. Even if you have exceeded the advised harvest date, it is better to wait until your flowers are as dense and resinous as possible.
  • Using a lupe, examine the state of the trichome. Once most of the trichomes are a cloudy white and a bit amber is the best time to cut and hang. dominant autoflower hybrids may take longer than Indica dominant, so be prepared to give your plants an extra week or two if they need it.

4. Drying, Trimming, and Curing Your Outdoor Auto Harvest

So, you have finally seen the crop go all the way from seed to harvest. What a feeling, right? The levels of excitement surrounding the thoughts of at long last being able to smoke those gorgeous, juicy nugs that you have grown yourself are at an all-time high. But hold up just a minute (or actually, a little longer than a minute).

We are sorry to be the bearers of bad news, but you are still a little way off from being able to consume the fruits of your labor. Sure, you could go down the hillbilly route and chuck some buds in your oven at the lowest temp possible and dry some of those bad boys out, but that would only be doing you, your hard work, and the plant itself a disservice.

Cultivating and harvesting a crop is really only half of the work. To get the very best out of the buds they need to be properly and carefully dried, trimmed, and then cured. Let’s have an in-depth look at exactly the steps that need to be taken to see the best results in terms of terpene maturation and smoke quality.

Drying Your Buds

Drying cannabis is not rocket science, and is a pretty easy task to complete as long as you have the correct setup. So, what’s the correct setup? Well, that really depends on how much weed you are trying to dry. If you are reading this guide then there is a good chance that you are a novice grower, so we are going to stick to a small-scale operation here. The very first decision you will need to make is whether you are going to wet or dry trim. There are pros and cons attached to both styles of trimming, but for the vast majority of growers, we suggest going for dry trimming.

Wet trimming is when you remove most of the unwanted plant material as soon as you harvest, and before the drying period begins. Dry trimming involves leaving the majority of the sugar leaves attached to the buds while you let the plant dry. It is fine to remove the larger fan leaves, but for the most part, you can just break the plant down and hang it for drying.

The only time we really suggest wet trimming is if you live in an area where the temperature and relative humidity is quite high and you are unable to bring them under your control. For the rest of this guide we will assume you are going to dry time your harvest. Using a large cardboard box as the drying area is one of the most common solutions for novice growers. We suggest using twine to create a bunch of horizontal hanging lines throughout the box and hanging the buds or branches directly from these lines. You can also use your grow tent to dry the weed, but that takes the tent itself out of action for a couple of weeks. Another common solution is a herb drying rack.

To properly dry cannabis you need to be able to control the drying environment unless you are lucky enough to live in the perfect environmental conditions. In terms of temps, we are looking for it to sit in the range of 60 – 70°F (15 – 22°C). For relative humidity, a range of 55 – 65% is perfect. This should result in a slow drying time of between 10 to 14 days. Any faster and you run the risk of destroying the terpene profile, any slower and you could be looking at mold issues. To get this right you may need to use some kit, depending on your current environmental conditions. An AC may be handy if it’s way too hot, as may a dehumidifier (or a humidifier for that matter). You could also use some fans or even a small electric heater. It all depends on your set up really. Just remember that a hygrometer is your best friend, and will give you all the info needed to be successful in drying your harvest.

Trimming Your Buds

Dry trimming weed isn’t a hard job, but boy oh boy can it be a super tedious one – especially if you have a bunch of buds to deal with. To make life as easy as possible do not use any old pair of scissors. Trimming scissors are going to make the process much quicker and easier. And make sure you grab a decent trim tray like the OG Trim Bin. Trim trays do a great job of grabbing all of the fallen trichomes that would otherwise be lost.

When trimming, the golden rule is to never shave the buds. You want to use the tips of the scissors to dig into the flowers and snip the stems of the sugar leaves while leaving the calyxes and pistils undisturbed. Now that the drying and trimming are done it must be finally time to smoke, yeah? Hell nope! Look, at this stage, the buds will be fine to smoke – but if you really want to get the best out of them, you need to let them cure.

Curing Your Buds

It is best to think of the curing process in the same way as aging wine or whiskey. Without it, the product will not be at its peak. Thankfully it doesn’t take nearly as long as aging alcohol, but it does still require a little bit of patience. How long does it take for the curing process to finish?

Well, that really all depends on the environmental conditions, the strain, and how dense the buds are. The answer is also dependent on who you ask, but for the majority of strains, a curing period of 2 to 4 weeks should be fine. That being said, some strains can take up to 6 months to properly mature, so even if you think the process is finished it’s best to leave them in their curing containers. For the curing process to be successful you need to provide the right conditions, which isn’t too hard as long as you have the right equipment and space.

First up, you are going to need to grab some air-tight containers. Most people choose glass jars, but honestly, anything that is re-sealable will do. One golden rule to keep in mind is to not overfill the containers. Try to keep them less than 75% full so the buds have some room to breathe. Store the jars in a cool, dark area, and if possible get a separate hygrometer for each jar. These come with probes that can be placed inside the jar with the main body outside. In terms of temps, you should be looking to keep it around 70°F (22°C) with a relative humidity level of 60-65%.

These jars are going to need to be burped twice a day for the first 10 days or so, and then twice a week for the rest of the curing period. Don’t be alarmed if the buds seem to become a little moister in the first 3 days, this is just the remaining internal moisture leaking out. What should alarm you is if you smell anything close to ammonia when you burp them, as this is a tell-tale sign of mold. If this happens then quickly empty the jar and place the buds back in the drying area for a day or two and pray that the mold disappears. Once a month has passed, the buds should be more than ready to finally smoke!

5. In conclusion

So if you were wondering how to grow skunk outdoors or any other strain of your preference, now you know everything you need. Despite seeming hard, inexperienced growers can successfully grow autoflowering strains easily, as long as you provide light, water, and nutrients you will be able to grow your own weed in less than 10 weeks. If you are interested in our genetics or have grown them outdoors before, leave us a comment below!

EXTERNAL REFERENCES:

This guide has been updated for the 2021 outdoor cannabis growing season.