Winter Annual Weeds – Turfgrass Science at Purdue University

Winter Annual Weeds

Four types of broadleaf weeds exist: 1) perennial (those living more than two years), biennial (those living two years), 3) summer annuals (those germinating in the spring and dying in the fall), and 4) winter annuals (those germinating in the fall and surviving the winter and dying the following spring). Since many of these winter annual weeds are now germinated, I thought it might be a useful exercise to review their identification. Below is one picture of various winter annual broadleaf weeds. Be on the lookout for these this fall and next spring.

Annual bluegrass

 

 

 

Catchweed bedstraw

 

 

Common chickweed

 

 

Corn Speedwell

 

 

Henbit

 

 

Prickly lettuce

 

 

Purple deadnettle

 

 

Sheperd’s purse

 

 

 

Aaron Patton, Turfgrass Extension Specialist

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