Italian ryegrass (Lolium multiflorum) is one of the most problematic winter weeds of roadside vegetation. Ryegrass establishes from seed in the fall when soil temperatures drop below 70° F.
Deep In The Weeds
Italian Ryegrass-December 2018
Johnsongrass (Sorghum halepense) is a warm-season perennial weed found near roadsides, rights-of-way, row crops, parks, and industrial sites. Populations may germinate from seed in spring after overwintering in the soil. However, Johnsongrass primarily emerges from dormant rhizomes in areas..