Winter grass, or otherwise known as Poa annua, is an invasive species of weed that grows during winter. Unlike other grasses on your lawn that go dormant and turn brown during winter, this type of grass thrives in cool temperatures.

Jan 12, 2025 · Grassy winter weeds, such as annual bluegrass, are more narrow or lance-like in form with parallel veins. Management techniques are different for each type. If you aren’t sure what kind of weed you have, consult your local university coop extension agent (find yours here).

Killing off weeds during winter is a perfect way to guarantee the grass in your lawn will have no competition for resources when it starts to grow again in early spring. The methods discussed below are easy to implement and effective.

What is Winter Grass? Winter Grass, or Poa annua as it is scientifically known, is a low growing weed. It has soft, drooping green leaves grown in tufts with triangular shaped seed heads.

Oct 7, 2024 · A healthy, dense, lush lawn is by far the best way to control winter weeds. To accomplish this, start in the fall with the following steps. These work for lawn and garden applications. Apply safe, pre-emergent herbicide before winter weeds begin sprouting, to target the seeds and root systems of perennials.

Sep 29, 2022 · Winter grass is an unsightly, clumping weed that can turn a beautiful lawn into an ugly mess very quickly. The grass is a huge problem across Australia and much of Europe. It is also bothersome in the U.S., where it is known as annual bluegrass or poa. Learn more here.

Oct 11, 2021 · Keep your lawn pristine with an effective winter grass killer. Learn how to protect your garden from invasive weeds during the colder months.

In warmer regions that get little to no snow, killing weeds in winter can be the best time for active weed control. Because your grass goes dormant in the winter, cool-weather broadleaf weeds and poa annua stick out like a sore thumb. Spot-treat these weeds with your weed killer of choice.

Winter Grass (Poa annua) is a common weed of lawns across most of Australia. It is easily noticed in lawns due to its tufted growth habit and lime-green coloured leaves which stand out in most grass lawns. Leaves are flat and smooth with boat-shaped tips. Winter Grass seeds are small and creamy white with seeds growing along a branched spike.

5 days ago · Henbit, chickweed, and shepherd’s purse are common winter annual weeds. These and other winter weeds germinate in the fall and continue to grow through the colder months. They put on a flush of growth in early spring as temperatures warm then erupt into bloom. Annual weeds (both winter and summer types) spread by seed and many species can ...