Seedheads in Lawns (2024)

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WebAdmin2019-12-18T23:51:38-05:00May 12th, 2014|Lawn Care and Maintenance, Lawn Weeds and Control|

If you look closely at your lawn this time of year, you may think it is full of weeds. But in reality, it could be a natural phenomenon that occurs in many turfgrasses in the spring called inflorescence – or flowering and seedhead production.Unfortunately, an abundance of seedheads can make a lawn look unattractive and the physiological effects on turf plants may temporarily reduce overall turf quality. And if you are sneezing a lot after walking on your lawn, you could be allergic to grass pollen, which comes from these and other grass seedheads in May.

Seedheads in Lawns (4)

Seed production takesenergy away from the plant and may cause turf blades to become sparse and off-colored. The seed stalks have fewer leaf blades and their woody structure resists mowing which adds to the eyesore. Sharpening mower blades can help. The seed production is seldom consistent throughout a home lawn and it sometimes occurs in patches. Thus, the problem is often made more obvious by patches of seedheads occurring in an otherwise smooth, dark green lawn.

Seedheads in Lawns (5)Turfgrass seed heads usually begin to form below the recommended mowing height of 3″ – 3 1/2″ for home lawns. The seed heads will still develop despite frequent mowing. However, you should NOT lower the mowing height in an attempt to remove all of them as they are a short-lived aesthetic problem; they do not cause long-term damage to turf plants. The stress produced by low-mowing can cause long-term injury to turf plants.

Frequent mowing will not prevent seed development, however, infrequent mowing will allow seed heads to fully develop and make the problem worse. Note that the seeds that would develop on hybrid turfgrasses used in home lawn would not be viable seed. Thankfully, the unsightly seedheads and stalks will eventually disappear on their own by early June allowing Maryland lawns to return to an aesthetically appealing uniformly green carpet.

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Seedheads in Lawns (2024)

FAQs

Why is my grass producing seed heads? ›

If there are seed heads in your lawn, that means that it's very healthy and your grass is doing what it's meant to do. Similar to any other plant, grass has to grow a flower and drop the seeds, which fall into the soil and grow new grass.

Are seed heads good for grass? ›

Seed production takes energy away from the plant and may cause turf blades to become sparse and off-colored. The seed stalks have fewer leaf blades and their woody structure resists mowing which adds to the eyesore. Sharpening mower blades can help.

How do I get rid of seed heads in my lawn? ›

Mow regularly

Seed heads form when the grass is allowed to grow too tall, so trimming the grass frequently can help to keep it short and prevent seed head formation. Mowing the lawn at least once a week is recommended during the growing season.

How long does a grass seed head last? ›

Seed heads are attached to a stalk that stems from the center of the grass plant and resemble miniature wheat plants. How many seed heads are visible on the lawn at any given time depends on the grass varieties and time interval between mowing. Seed head production normally lasts for a period of 2-4 weeks.

What kind of grass has seeds on top? ›

The common lawn grasses, Kentucky bluegrass, perennial ryegrass and tall fescue all produce seedheads as do some grassy weeds like annual bluegrass (Poa annua).

Can you put too much seed on your lawn? ›

When you apply too much grass seed, each individual seed does not have the same access to the soil; some piled on top of other seeds may not touch the soil at all. Germination cannot successfully occur if the seed does not have soil contact.

Should I let my grass reseed itself? ›

Elimination of Weed Control

They grow quickly and can be tough as nails to remove and dissipate from lawns. When you let your grass go to seed, you're actually letting weeds grow, eliminating any control you had over them. Mowing frequently cuts the weeds down and weakens them in their ability to grow back.

Can you eat grass seed heads? ›

Sprouted grass seeds can be a good food source as well. Edible grasses include Bent, Wheat, Slough, Brome, Crab, Switch, Canary, Timothy, Blue, and Bristle grasses. You can make grasses into a juice by grinding them up, but don't swallow the fiber. Chewing immature seed heads can be beneficial as well.

Why does my bermuda have so many seed heads? ›

As widespread as Bermuda seeding is right now, it is likely a result of overwatering (too much rain!) and temperature fluctuations. In other words, there is nothing you can do about it. Just keep mowing it every week and it will eventually correct itself.

How do you preserve grass seed heads? ›

Simple grooming is usually all that is necessary for preserving these materials. To prevent shattering of fragile seed heads such as pampas grass and cattails spray with hair spray or an aerosol lacquer. Sprayed fruits and cones take on a shiny, decorative look.

Why is my grass growing seed heads? ›

During late spring to early summer it's not uncommon for grass seed heads to pop up in your turf. Flowering and seeding are a natural part of a plant life cycle and a smart survival mechanism of your lawn in response to sudden changes in temperature, wind and rain that can be experienced during this time of year.

Will grass seed grow if you just put it down? ›

If you simply toss the grass seed onto the soil, you will end up with poor germination. Thoroughly rake the area to remove any loose debris and to create grooves in the soil. These grooves will help increase the seed-to-soil contact that is imperative for germination.

What temperature kills grass seed? ›

If you're wondering how cold is too cold for grass seed germination use our rule of thumb and check the weather reports. If the daytime temperature is below 60°F then soil temperature is below 50°F, making it too cold; if there is frost or still a danger of frost, then it's too cold.

Is it bad to let your grass go to seed? ›

When you let your grass go to seed, you're actually letting weeds grow, eliminating any control you had over them. Mowing frequently cuts the weeds down and weakens them in their ability to grow back.

How do I get rid of grass that looks like wheat? ›

Seed heads are generally challenging to cut cleanly, and only super sharp mower blades can do a neat job. Hence, ensure the mower blades are sharp before you work on your lawn. We also recommend maintaining a height of 3 to 3½ inches for mower blades to eliminate the seed heads.

What are the little balls in my grass? ›

If your soil has a healthy population of earthworms then you may start to find small mounds of soil or mud balls on your lawn. These mud balls are the castings which have passed through the earthworms the previous night and have come to the surface as tunnels that are created below the surface of your lawn.

Why is my grass budding? ›

Producing flowers and seed heads is part of the normal growth process of just about every plant. Dr. Voigt said that as your grass grows, one way to reduce the amount of flowers and seed heads that are produced is to fertilize the lawn with nitrogen.

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