Weed Alert: Annual Bluegrass

Have you seen this weed in your lawn? What does it mean?

The weeds we see in lawns at specific times of the year can tell us a lot about your soil. An influx of Annual Bluegrass, Poa annua, this winter means your soil is most likely heavily compacted. You’ll easily identify bluegrass by its dense, clumping growth habit and deep blue-green leaves. Its flowers are triangular, and are often a pale green.

Pulling these weeds out is a great start and easy to do. Pulling weeds after a rainfall is even easier! However if you’d like to discourage these weeds, we recommend feeding your soil to improve its health and aerating it during your next fertilization. By adding a series of organic amendments including liquid compost, bio stimulants and earthworm castings, we can greatly improve the structure of your soil so that turf roots grow strong enough to push out Annual Bluegrass.

If you compost, pitch those weeds into your compost bin. Compost breakdown often slows down or stops in winter because we stop adding green, Nitrogen sources, like grass clippings and fresh pulled weeds.

Want to learn more about what your weeds are telling you about your soil? Read our recent blog post here. Ready to start your organic Soil Building Program? Go here.

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