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Weeds

Weeds

The most common definition of a weed is a plant that is out of place. Most weeds compete all too well with turfgrass for water, nutrients, and light. They often grow faster than the desirable grass and spread quickly. Proper control of weeds is a must to achieve a...
Rough Bluegrass and Canadian Bluegrass

Rough Bluegrass and Canadian Bluegrass

Image by Rasbak – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=138143 Rough Bluegrass Rough bluegrass (Poa trivialis) and Canadian bluegrass (Poa compressa) are perennial grasses that prefer cool, wet conditions and are considered...
Microstegium

Microstegium

Biology Microstegium (also known as jewgrass) is a summer annual grass native to Asia. It was used as packing material for porcelain from China and this may have been how it was introduced into the U.S. It was first discovered in the United States in Tennessee in...
Bermudagrass

Bermudagrass

Bermudagrass (Cynodon dactylon) is grown as a turfgrass throughout the South, but is considered an invasive grassy weed in Northern Virginia, where it turns a straw color at first frost and remains dormant until late spring.  It was introduced from Africa (not...
Annual Bluegrass

Annual Bluegrass

Image by Rasbak – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=95915 Annual bluegrass (Poa annua) is an annual grassy weed with over 200 varieties and is found in most Northern Virginia lawns and gardens. While it originated in Europe,...