Best Grass Seed To Prevent Weeds

Why Zoysia? Zoysia is a particularly hardy grass that grows well in a wide range of conditions and requires far less watering and mowing than most grasses. At the same time, this “tough” grass Overseeding your lawn will thicken the grass, helping it resist future weed invasion. However, it is best used on a lawn where the weeds are currently dormant Find the best grass seed to use for you lawn. Read up on Kentucky Bluegrass and Fescue cool season grasses as well as some other lawn care tips.

Why Zoysia?

Zoysia is a particularly hardy grass that grows well in a wide range of conditions and requires far less watering and mowing than most grasses. At the same time, this “tough” grass creates a thick, soft carpet that feels great in bare feet. Zoysia is ideal because it actually grows differently. It sends out runners or “stolons,” expanding sideways more than it grows tall.

This is why it is so dense and effective at choking out most summer weeds and replacing existing grass. With our superior blend of zoysia, Amazoy®, you can plant a network of plugs in a new or existing lawn and it will grow into a lush, even, weed-free lawn within several growing seasons.

The key reasons zoysia is so attractive for homeowners:

Cuts water bills

  • Zoysia’s vigorous root system is so deep and extensive the grass rarely, if ever, needs watering — zoysia can really cut your water bills.

Reduces mowing by two-thirds

  • The lateral growth of zoysia means it grows tall very slowly — most people mow zoysia once for every three times they need to mow other grasses!

Zoysia thrives in heat and cold

“We planted Amazoy plugs three years ago and we cannot believe how beautiful our new lawn is. Our grand son loves to play outside when he comes to visit” —M.D.

  • “The hotter it gets, the better it grows.” Zoysia loves blistering heat and yet it won’t winter kill either — it can survive to 30° below zero. It’s perfect for extreme conditions as well as mild climates.
  • Amazoy plugs will thrive in the heat and sunshine, but will not be damaged by snow or cold weather conditions. Amazoy can withstand temperatures of 120° to -30°Fahrenheit.

Chokes out crabgrass and weeds all summer long

  • Your established zoysia lawn grows so thick with deep roots that crabgrass and other summer weed seeds cannot germinate.

No more chemicals

  • Since zoysia naturally resists insects and diseases, you avoid the cost, time and risk of exposing your family and pets to weedkillers and pesticides.

Never needs replacement — even heals itself

  • It’s beautiful and tough. The way it naturally grows outward along the ground in all directions, zoysia grass acts like a network of plants that can withstand heavy use, and will fill in if damaged.

Zoysia is THE answer for slopes, play areas and bare spots

  • You can’t beat zoysia for hard to cover spots, worn areas or to end erosion on slopes. It even levels out ground irregularities.
You don’t pamper zoysia – You enjoy it!

Soil Conditions

Clay Soil

“I always thought my Great Grandmother had the most beautiful lawn. It was like walking on carpet” —N.O.

Amazoy zoysia plugs will grow in all kinds of clay soils. Although clay soils are dense, Amazoy zoysia grass has strong roots that penetrate and create air passages for good root development.

Rock-like Soil

Amazoy zoysia plugs will grow in rock-like or granite soil, but you will need to mix in a layer of top soil before planting.

Salty soil

Amazoy zoysia plugs will grow in most salty soils. Because zoysia grass is highly salt tolerant, it is recommended for areas near coastlines where salty soils are often found. Amazoy will grow well in areas near roads and driveways that are salted to melt winter ice and snow.

Sandy soil

Amazoy zoysia plugs grow especially well in sandy soil because there are many airspaces that allow zoysia’s roots to penetrate, providing quicker root development.

Soil pH

Although Amazoy zoysia grass grows well in many different types of soil, the ideal soil pH level is 6 to 7. pH levels can be altered by using granulated lime to raise the pH level or small quantities of sulfur to lower it. When using sulfur, it is important not to over-apply, as sulfur is an acidifying agent that can burn lawns. Insert a pH meter into your soil at several locations to determine pH levels. We offer an easy to use pH Meter.

Full Sun

Shady Conditions

Amazoy can be planted in part shade, as long as the area to be planted gets at least 2 to 3 hours of direct sunlight a day.

If you are planting your plugs under trees, make sure that the pH of the soil is between 6 and 7. Trees have a tendency to alter the pH of your soil. pH levels can be modified by using granulated lime to raise pH and small quantities of sulfur to reduce it.

To determine the pH of your soil, use a pH meter or soil testing kit. We offer an easy to use pH Meter and Soil Test Kit.

Slopes and Borders

Excellent on Slopes and Hills

Amazoy zoysia works very well in areas with steep slopes and hills. Amazoy plugs make it easy to plant the grass on steep areas and once established they will create a thick carpet-like grass. It will also require less mowing, which can be difficult and dangerous on steep slopes.

Great Erosion Control

Amazoy’s deep root system (about 2 feet when fully established) and the thickness of the turf will work to significantly reduce slope erosion. Amazoy plugs make it easy to initially plant zoysia on steep areas as well.

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Children and Pets

Safe for Children and Pets

Amazoy zoysia is completely safe for children and pets. Because there is no need to use poisonous chemicals on your lawn, your children and pets can romp on the lawn without fear of contamination. Zoysia’s durability means you will have no worries about damage that can result from lawn play.

More Tolerant of Animal Waste

Zoysia is more tolerant to pet urine and feces than most grasses. However, no grass will survive prolonged or constant exposure to pet waste. Pets should be kept off of the new plugs for at least 30 days in order for the plugs to become established.

After the plugs are established, you can minimize the effects of pet waste by periodically liming the soil in order to restore the pH level to an acceptable range between 6 and 7.

Safe for Horses and Dogs

Amazoy grass plugs are safe for horses and dogs. While zoysia has minimal nutritional value, eating zoysia will not harm horses and dogs.

“Many years ago my father plugged Amazoy zoysia grass into the family yard and it is still green as ever. It has absolutely choked out all the crab grass.” —P.D.S.

Safe for Wells and Septic Systems

Amazoy zoysia grass is safe for wells and septic systems as well as leach fields. The developed root system of zoysia may reach 2 or more feet below the soil surface but cannot penetrate well walls, septic systems or damage underground lines.

Resists Pests

Amazoy has an inherent resistance to the effects of most insects and diseases and resists injury from most chemicals when pest populations do require controls.

Chokes Out Weeds

Once established, the dense turf created by zoysia significantly reduces summer weeds. Amazoy will choke out all existing cultivated and wild grasses, including Bermuda (often called wire grass) and St. Augustine. For best results keep these grasses away from newly planted zoysia plugs.

Winter Dormancy

Zoysia, like deciduous trees, goes dormant after the first killing frost and will go off its green color until the ground reaches temperatures of about 50°F in the spring. This is a normal, healthy process. In fact, zoysia’s ability to go “dormant” is important to its ability to better withstand extreme winter cold and still come back full and green every spring. Amazoy will not be damaged by snow and cold weather conditions. Amazoy can withstand temperatures of -30°Fahrenheit ( -30°F below zero).

What About Zoysia Seed?

“We bought some plugs from you about a couple of years ago. We think there is nothing on the market that will touch them” —H.S.

Amazoy, the first Zoysia cultivar to be released by the US Department of Agriculture is still the superior standard. Vegetatively propagated Zoysia grass plugs provide the highest quality lawn.

Historically, it has been extremely difficult to create a fine Zoysia grass lawn from seed. However, Zoysia seed has come a long way over the last few decades. It now germinates better producing a beautiful lawn, but still has some very particular requirements in order to be successful. Our experience is that it is possible to establish a lawn from the Zoysia seed and we now are making available Zoysia seed to homeowners. We only supply what we believe to be the best of the best and the one that meets our standard for quality and durability.

There are very specific requirements for how deep to plant the seed, the amount of light it needs, and watering. It will be important to follow the seed planting instructions carefully for success.

“I am very proud of the way my plugs of (Amazoy) Meyer Z-52 grass have grown and spread and it is all that you have claimed for it” —A.B.

What do Zoysia Plugs look like?

Amazoy Zoysia grass resembles Kentucky bluegrass as far as texture and appearance. Each plug is a small piece of Zoysia sod that can measure as small as 1 inch square but can be much bigger in size just never smaller.

How are plugs shipped?

Amazoy Freestyle Plugs are shipped in 10″ by 15″ sheets of grass. Each sheet can produce up to 150 — 1″ square plugs. The plugs can be cut bigger, that’s the freestyle part. Bigger plugs means less cutting and less planting, but you will get less plugs from each sheet.

Super Plugs are precut for you into individual 3″ by 3″ plugs that are ready to plant. They will arrive in easy-to-handle trays of 15 Super plugs.

All plugs are shipped the same day they are packed with a moisture-proof lining so the roots reach you fresh, vigorous and ready to grow.

How long will the plugs last before planting?

Zoysia plugs are living plants, therefore, we recommend planting them as soon as possible. If the plugs cannot be planted upon receipt, remove them from the cartons, placing blade side up in an area that receives some sunlight (not direct sun). Mist the plugs with water and keep them moist until planting. Plugs must be planted within 2 weeks of receipt.

Will Overseeding Choke Out Weeds?

Overseeding your lawn will thicken the grass, helping it resist future weed invasion. However, it is best used on a lawn where the weeds are currently dormant or have recently been killed. Spreading grass seed on a weedy lawn won’t do much good. Weeds that are actively growing in your grass will steal water and nutrients from grass seedlings, causing them to struggle and die. For best results, attack lawn weeds with a weed killer, then overseed to create a healthy lawn that prevents weeds from returning.

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Table of Contents

How Does Overseeding Help Prevent Weeds?

Overseeding your existing lawn with new grass seed fills in bare spots and contributes to thicker grass throughout the lawn. A thick grass lawn without bare spots shades the soil below, depriving weed seedlings of sunlight, killing them. Not only that, but thick growing grass pulls moisture and nutrients from the soil first, before weed seedlings can get to them.

  • Overseeding contributes to a thicker lawn.
  • Bare spots that have been overseeded with grass are less prone to weed invasion.
  • Lawns thickened by overseeding prevent weed seedlings from receiving sunlight and nutrients, smothering them.
  • Regular overseeding maintains a thick, weed-resistant lawn without herbicides.

Grass plants, like all plants, weaken and die naturally over time. By overseeding you replenish your lawn with new grass plants. This constant replenishment keeps your entire lawn thick enough that it continues to smother new weeds. This reduces the need to use chemical weed killers on your lawn.

Do You Need to Remove Weeds Before Overseeding?

Overseeding is most effective when you kill existing weeds before you overseed. This is because grass can’t choke out existing, established weeds no matter how thick it is. A lush lawn can only stop new weed seeds from sprouting. Also, any weeds that are present when you overseed will steal water, nutrients, and sunshine from your new grass seedlings. Wipe out the weeds to give your grass a fighting chance.

  • Remove existing weeds before you overseed.
  • Existing weeds won’t be killed or choked out by overseeding. A thick, overseeded lawn will only suppress new weed growth.
  • Kill established weeds or they will rob water and nutrients from your grass seedlings.

You’ll get more new grass sprouts from overseeding if you kill existing weeds first. Overseeding a lawn overgrown with weeds will get a poor yield. Your new grass will struggle to compete with the weeds. Paving the way for new grass by killing weeds is your best bet.

What is the Best Time of Year to Overseed a Weedy Lawn?

For the best results overseeding your lawn, you need to seed at the optimal time for your grass type. Warm-season grass lawns (such as Bermuda, Zoysia, and Centipede grass) should be overseeded in spring. Cool-season grasses (Kentucky Bluegrass, Fescue, Ryegrass) sprout and survive best when overseeded in fall.

  • Overseed warm-season grasses in spring.
  • Overseed cool-season grasses in fall.
  • It’s best to overseed when no weeds are present.

Another factor that makes overseeding in fall a great option for cool-season grass lawns is that few weeds will be present. Even if your lawn was infested with crabgrass in spring, by fall it will have begun to drop its seeds and die off. If you overseed in fall, your new grass will sprout and establish itself. By spring, the grass will be thick enough to prevent many of those crabgrass seeds from sprouting.

What is the Best Grass Seed to Use for Overseeding?

The best grass seed for overseeding is grass that will grow well in your climate. In regions with freezing winters, choose cool-season grass. In regions where winters seldom freeze, warm-season grass will perform best.

  • Seed with cool-season grass in regions with freezing winters.
  • In regions with mild winters, overseed with warm-season grass.
  • Match your grass seed to the variety of grass present in your lawn.

It’s also important to note that overseeding is the act of spreading additional grass seed over an existing lawn. It’s usually best to overseed your lawn with the same species of grass that is present there. This will create a uniform, beautiful lawn.

What Grass Will Choke Out Weeds?

The best grasses for choking out weeds in your lawn depend on your location. If you are planting warm season grass and wish to have a weed-resistant lawn, Bermuda grass is your best choice. It spreads through runners and roots to take over areas, which prevents weeds from getting a toehold.

  • Bermuda grass is the best warm-season grass for choking out weeds.
  • Kentucky Bluegrass is the top option for battling weeds in cool-season grass lawns.

Kentucky Bluegrass spreads faster than any other cool-season grass. It produces roots that form new plants in both spring and fall, meaning it self-thickens and fills in bare spots. If you want to weedproof your northern lawn, go with KBG.

Will Overseeding Your Lawn Get Rid of Weeds?

Overseeding a weedy lawn will not kill weeds on its own. However, thick grass growth produced by overseeding prevents new weeds from sprouting. In order to keep your lawn weed-free with overseeding, first, kill any existing weeds, then prep your lawn and spread new grass seed. The thick growth of new grass will choke out new weed seedlings as they attempt to sprout.

How to Pick Out The Best Grass Seed

Bare spots in your lawn got you down? Are you creating a new lawn? Either way, you’ll need some advice on the best grass seed! The best grass seed for cool season grasses used in Ohio lawns are Kentucky bluegrass and tall fescue grass. Cool season grasses grow best between 65 to 75 degrees Fahrenheit, making the spring a good time to start taking care of all of those brown spots on your lawn. Both are great grasses, but there are a few differences in them that one person or homeowner may prefer over the other. Read up on Kentucky Bluegrass and Tall Fescue to see if they seem like they are the best grass seed for your lawn.

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Kentucky Bluegrass

Kentucky Bluegrass is one of the best grass seeds. It is a cool season grass popularly used in Ohio. Fun Fact – this grass originated from Europe and Northern Asia! Kentucky Bluegrass grows vigorously when it is cooler outside in the spring and fall. In the summer heat, the grass grows very slow. This cold seasonal grass has shallow roots, which makes the grass not very drought resistant because it cannot hold a lot of water. This makes the grass have a lower tolerance for heat as well. When Kentucky Bluegrass is healthy, it grows beautifully with an emerald green color that has a hint of blue in the lawn. If you have a lawn with Kentucky Bluegrass, it is important to make sure you water your lawn regularly to keep it green and healthy because it cannot store as much water in its roots as fescue or other cool season grasses. The seeds in the Kentucky Bluegrass spread quite well, making it easy to repair damage and grow a thick lush lawn.

Tall Fescue Grass

Tall Fescue grass is another one of the best grass seeds for cool season grass. It is abundant in the Ohio area. This grass is very resilient and it thrives in the spring, summer, and fall. It can withstand the harsh cold of the winter which sounds perfect for our crazy Ohio seasonal weather. The root system grows deep into the ground, 2 to 3 feet, making it drought resistant and able to endure the high heat of the late summer, unlike the Kentucky Bluegrass. Tall Fescue grass absorbs much more water than most other cool season grasses because of its deep roots. In fact, your lawn may require 30 percent less water per year to stay hydrated and healthy than other grasses.

Buying The Seed

When you have decided on the best grass seed and go to purchase the bags for your lawn, there are a few things you should know. With whatever grass seed you decide to buy, pick out a 75/25 mixture with 25 percent annual rye. The annual rye will not grow back after the first year, but it will cause the perennial grass to sprout and grow strong from the seed. The rye germinates faster than the other seeds, making the rye able to protect and shade the growing grass. The harsh rain storms can wash away the seeds if there is not annual rye to protect it. Imagine doing all of the hard work of seeding for nothing!

Take Care of Your New Grass

There are some treatments that will help your new grass thrive. Be sure to do some of the following treatments on your lawn.

Aerate

Lawn aeration relieves compaction in your lawn and allows room for roots to spread and grow in the soil. Core aeration removes small plugs of soil from your lawn. When the holes are in the ground from aeration, it is the perfect time to seed. The seeds with be able to make contact with the soil much easier when the lawn is punctured and cored. If you are seeding your lawn because of bare spots, know that bare spots are a symptom of a compacted lawn so aeration will be beneficial to keep it healthy and avoid future bare spots. Some other symptoms of a compacted lawn are puddles and pooling in the yard and dry brownish lawns. You should aerate your lawn at least once a year to help make your lawn greener and healthier.

Fertilize

Fertilizer provides your lawn with vital nutrients that may not be provided through your soil naturally. In order to most effectively add nutrients to your lawn, you or your lawn fertilizing company should take a sample of your soil and test it to see which nutrients occur naturally in the soil. Using this information, the lawn company should be able to give your lawn the lacking nutrients. Early spring fertilizing is something we want to do with our cool season grasses. It is best to get a few fertilizing treatments in before it gets too hot outside because fertilizer does not work well with high heat. A really great time to fertilize is right after your lawn has been aerated. The cored soil will be able to absorb the nutrients very well.

Mowing Your Lawn

Did you know you might be cutting your lawn too short? The recommended height for Kentucky Bluegrass and Tall Fescue is around two to three inches. You can mow your lawn after the new seeds have reached mowing heights , but this can take up to 4 weeks or more. Generally, you would think cutting the grass shorter would be better, but having a longer lawn is actually better for the health of your grass. Having longer grass will allow for more water retention and the longer blades of grass will create more shade for the roots of the grass. Keeping a longer lawn will inevitably lead to your lawn needing to be mowed more often, but the health and beauty of a greener lawn is worth it. Lawn mowing can begin in the spring as soon as you notice growth in your lawn. When scheduling your spring lawn care services, ask to see if they can keep your lawn a little bit longer to keep your lawn healthier.