Saturday, May 12, 2012

Grassy Weeds in Turf Planted Last Fall


Many samples have arrived in the Plant and Pest Diagnostic Lab the past few weeks with the common question of “What’s this grass in the turf I seeded last fall?”. Although there could be a host of answer to this question with annual bluegrass likely on the top of the list, most of what I have identified is either annual ryegrass or winter wheat. Annual ryegrass is a common ingredient in poor quality seed mixtures and winter wheat is commonly found in areas planted with wheat straw as a mulch. Both species should die during the warmer summer months without the need to apply a herbicide. Below are some pictures and helpful clues for identifying these grasses in turf that you plant.



 
 
 
 
 
 


Aaron Patton, Turfgrass Extension Specialist

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