Weed Seed Growth Day By Day

Knowing the stages of the cannabis lifecycle will ultimately help you cultivate a better yield and potency. Here we discuss the most common phases of weed growth. Of course, this cannabis timeline is greatly affected by the type of seed used, as well as the quality of your controlled environment. (It is important to no Marijuana Growth Cycle Stages: Germination, Vegetation & Flowering Marijuana goes through different stages of growth before you even begin to see the beautiful buds flourish. Watching cannabis As marijuana continues its march into the mainstream, why not give it a go?

Weed Seed Growth Day By Day

Your Cannabis Timeline: 4 Stages of Growing Indoor Marijuana Plants

  • By Haley Thomann
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Knowing the stages of the cannabis lifecycle will ultimately help you cultivate a better yield and potency. Here we discuss the most common phases of weed growth. Of course, this cannabis timeline is greatly affected by the type of seed used, as well as the quality of your controlled environment. (It is important to note that auto-flowering strains will not follow the same rules or cannabis growth cycle.)

Cannabis seeds are male and female. To save yourself some added trouble and effort down the cycle, if at all possible start with feminized seeds to germinate. You will have the opportunity to separate the females from the males shortly after germination or just before the flowering cycle if you don’t catch them early. (The sex of cannabis seeds is another blog entirely!) After you’ve chosen your cannabis seeds wisely, the process begins.

1. Germination Stage (1 to 10 Days) As you might guess, if this stage doesn’t go well, you won’t have a cannabis crop at all. The easiest way to germinate marijuana seeds is to soak seeds in water or a paper towel until a taproot emerges.

2. Seedling Stage (2 to 3 Weeks) This is a great time to put the finishing touches on your grow rooms. Experts recommend creating two separate growrooms – a vegetative grow room and a flowering grow room. During this cannabis growth phase, you’ll be using light nearly 24 hours a day. You should see the marijuana plant take on some cannabis characteristics by producing new sets of leaves. Plants should have 4-8 new leaves before moving on to transplanting to larger containers for the next Vegetation stage.

3. Vegetative Growth Stage (3 to 16 Weeks) Now your plants really begin to take off – don’t be surprised if they grow two inches in one day! You’ll be utilizing lots of light, water and nutrients during this cannabis growth stage. Proper temperature, humidity and nitrogen levels are critical.

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UV-rays, and actually improves the efficiency of your lighting source by as much as 400%. Utilized together during the Vegetative and Flowering stages, GrowFloor and GrowWall enhance overall cannabis quality and crop yield.

4. Flowering Stage (6 to 12 Weeks) At this stage, when lighting is cut back, all focus turns to producing buds. Timing here can impact smell, taste, weight and potency of the final product. It is recommended that harvesting cannabis should begin when 70-90% of the pistils (small white hairs on the buds) have turned brown. Waiting much longer will almost be too late to guarantee plant quality.

To harvest marijuana, cut plants down, prune and hang upside down to dry in a cool, dark, dry place for about a week. Store dried cannabis in glass jars for another couple weeks.

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Marijuana Growth Cycle Stages: Germination, Vegetation & Flowering

Marijuana goes through different stages of growth before you even begin to see the beautiful buds flourish. Watching cannabis grow through all four stages of it developmental process can be quite the experience. If you’re looking to get some insights on how the marijuana grow cycle work and responsibilities that come along with each stage, then you’ll find this article extremely helpful. For extremely serious growers, go ahead and find some time to visit California or Colorado for a full tour of a cannabis growing facility.

4 Key Stages in the Marijuana Grow Cycle

At every stage, you need to provide the best environment for the plant to thrive and that can be challenging at times. Generally, cannabis is considered an annual plant i.e. its complete lifecycle can expand over a year. However, most varieties of marijuana can grow indoors within 3 to 5 months.


The first stage of any plant begins with a seed. The seed needs to be germinated and there are several ways to do that. Even at this early stage, quality is crucial. The indication of a quality cannabis seed is that it should be dry, hard, and brownish in color.

In germination, the germ inside the seed breaks out in the form of a root. This germinated seed can then be introduced to a growing medium (e.g. hydroponics). Most home growers use the good old paper towel method to germinate the seed.

The germination stage can take anywhere from 24 hours to 7 days depending on its variety. The Sativa seeds usually take longer to germinate in comparison with Indica weed strains. When the first two leaves form, the plant loses the seed husk and this is where the next stage begins.


This stage perhaps requires the most care. The plant at this stage is susceptible to disease. You have to be very careful about how much water or fertilizer you give to the seedling. Too much water or fertilizer may hamper growth.

The most important need of the plant at this delicate stage is light. It needs as much light as possible. You can provide the light indoors with best LED grow lights that provide full spectrum and are quite cheap to buy. Ample light and water will allow the plant to develop stronger roots. As a result, you will start to see the characteristic marijuana leaves.

The shape of the leaf and the number of leaflets may vary depending on the kind of marijuana you are growing. At this stage, the leaves usually have just one leaflet. Once the number of leaflets per leaf becomes 5-7, the seedling stage is over. This entire stage can take 2 to 4 weeks.


During the vegetation stage, the growth accelerates. Your plant can grow as much as 5 inches in just one day. You need to supply the right nutrients to the plants at this time for it to start growing buds. The supply of nitrogen is crucial at this points as it helps provide chlorophyll and protein.

The water intake of the plants also increases at this stage. Again, the light remains a vital component for growth. You need to have the best lights for all cycles of marijuana growth. Most grow lights have a vegetation mode that is optimized for this stage of the marijuana plant.

The duration of the vegetation stage varies greatly from one variety of cannabis to another. However, if everything is done right and the plant is growing in a healthy way it should gradually move to the next stage of growth within 2-3 weeks.


This stage is perhaps the longest of the marijuana growth lifecycle (4 to 12 weeks). It can be divided into two sub-phases: pre-flowering stage and flowering stage. The pre-flowering stage begins when the days become shorter and plant receives less light. Of course, you can control that indoors.

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This is also the time when you will know the sex of your plant. Female plants produce flowers or buds while the male ones produce pollen. Once you can identify the sex of the plants, it is time to isolate the females to avoid production of seeds.

During the pre-flowering stage, the plants need a lot of water. Some growers even use special fertilizers to enhance the formation of buds. Potassium and phosphorus-based nutrients are great for this stage and may speed up the process. Finally, in the flowering stage, you will see grown buds with milky pistils and a pungent smell.

Last Thoughts

The time it takes for your weed plant to grow from a small seed to those beautiful buds is highly dependent on the kind of marijuana strain and how you control the environment. Growing weed on your own can be a challenge but it is also a one of the best learning experience as a cannabis enthusiast. You only learn what each stage requires after trial and error.

I find that treating each stage equally important and preparing for it in advance can have a positive effect on the plant. When your hard work is paid off and you smoke your very own strain, it will all be worth it.

If you are interested in learning more about how to grow marijuana or its growing process, feel free to check out one of our in-depth marijuana growing facility tours available in multiple legalized state.

It’s easier than ever to be a lowkey gardener of homegrown weed

Today’s mindfulness industry is a multi-billion-dollar global business, and at its root is a sincere desire to live our best, most carefully considered life.

I do not have a particularly green thumb. Any gardening success I’ve had—mostly with the pots of cherry tomatoes and herbs on my patio—has been due to good luck and strong sun.

I’m a lazy gardener, not a farmer. This is the same approach I’m taking to growing my own weed.

For the last year or so in Los Angeles, I’ve enjoyed legal access to marijuana. It’s easy enough to go to a dispensary or get it delivered. But you know what might be more fun? Growing it—and spring 2018 seems just the time to give it a go. (Here in California, adults over 21 can grow up to six plants at home for personal use, so long as they’re locked up and not publicly visible. Several US states and Washington, DC have similar laws.)

“You don’t have to have a gigantic grow room, or a huge outdoor cannabis farm,” says Grace Olivia Hicks, the co-founder of Green Carpet Growing, a San Diego, CA-based cannabis cultivation consultancy. “Cannabis doesn’t have to be far away—it’s within reach now and it’s also legally acceptable.”

Still, it’s not quite so easy as plopping a pot of basil on the windowsill. Yes, it’s called “weed” because it grows like one, but cannabis is a complicated plant, and its cultivation has many steps where things can go wrong.

“It’s like a recipe,” says Hicks. “There are certain parts that have to be done correctly and at a certain time to get you from point A to point B to have product at the end.” (See: Willamette Week’s accidental “Pot Massacre of 2017” due to heat and over-fertilization.)

If you live in a place where it’s legal, here are some basics to know before you get started:

Clones vs. seeds

Just like those of us planting tomatoes in the spring, weed gardeners are faced with a choice between starting with seeds or small plants. In the cannabis world, many start with the sprouted cuttings commonly known as “clones.” While sprouting a seedling in a wet paper towel has its charm, clones leave far less margin for error.

What’s more, with a clone you can be sure you’re obtaining a female that will produce desirable flowers, also known as buds, if you play your cards right. (“Male plants are the bane of marijuana growers,” wrote Mel Frank in the Marijuana Grower’s Insider’s Guide. “They’re necessary for breeding and hybridizing, but otherwise they’re in the way.”)

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In places where recreational marijuana growth is legal, you can find clones at cannabis nurseries, farmer’s markets, dispensaries, and even delivery services.

A wealth of resources

The resources for prospective pot growers today are incomprehensibly vast.

A recent search of WeedMaps, which is sort of like a cross between Seamless and Yelp for cannabis companies, showed that a clone of LA Confidential—a strain with a reputation for being easy to grow, according to the online resource Leafly—was available for delivery in Los Angeles for $12.

Once a person gets a plant, they can continue to read about how to cultivate it on Leafly or High Times, consult a go-to guide like Frank’s aforementioned Insider’s Guide, or even attend a workshop with the author himself, who occasionally teaches at Fig Earth Supply, a Los Angeles garden store. That’s not to mention the highly personalized consultancy services like those offered by Hicks at Green Carpet Growing.

The minimalist’s setup

All these resources can be overwhelming to the casual gardener, as they’re often geared toward those who are willing to invest lots of time, space, and money to harvest the highest yield possible: High Intensity Discharge lighting! Grow tents! Exhaust fans!

What if you just want the herbal equivalent of a handful of cherry tomatoes? “There’s nothing wrong with having a teensy tiny plant with buds on it,” says Hicks. “It’s cute, it’s ornamental, it’s fun.”

Rather than investing in a high-powered indoor setup, Hicks says using the natural power of the sun—either outdoors or on a sunny (but private) windowsill—is a good approach for the minimalist. And while many are particularly nervous when it comes to growing pot, looking at the plant itself will give you some guidance, Hicks says.

“A good window to the soul of your plant is to look at the leaves and know what’s going on,” she says. “It can be really difficult for people to trust what they see with their eyes when cannabis farming. I don’t think I’ve ever encountered a plant that people who are growing it are so nervous to grow it… People don’t necessarily trust their instincts with cannabis, but they should.”

To flower or not to flower

The quantity of light that cannabis is exposed to—also known as the photoperiod—will determine whether the plant enters its flowering phase. And because it’s an annual, you’re only going to get those flowers once. That’s why many growers try to save the flowering phase for when the plant is bigger and will produce more buds.

More than 16 hours a day of light will keep plants in their vegetative state, when they’re growing stronger and bushier without producing flowers. So if you wanted your outdoor plant to get a little bigger before it flowers, you might prolong its vegetative state by bringing it into a warm closet with the lights on every night.

Less than 12 hours of light a day will trigger the plant’s flowering phase. So, if you wanted to force a plant to flower, you should time its exposure accordingly. Or, just wait a few months until the days grow shorter, and let nature run its course.

Depending on where you live, if you got a healthy clone from a dispensary today, there’s nothing to say you couldn’t just plant it in nutrient-rich soil in a sunny spot, and have flowers in the fall. By then, you will have read all about how to harvest, dry, and cure them.

And if you fail miserably, just think of it like growing your own veggies. Sometimes gardening is a disappointing heartbreak. But it’s still fun, and you can always buy your kale at the store. And once in a while, you get to have your own homegrown tomatoes, warmed from the sun, sliced and salted on sourdough toast.