Whitehall Bio Weed Control: Russian Knapweed

Bright pink blooms might seem non-threatening, until that is all you see. As spring comes and goes and flowers reach their maximum potential, a sea of pink and purple flowers might begin to consume your land. Their prevalence, their persistence, and their undying dedication leave many in dismay. Learning and understanding the enemy is half the battle, however.

Russian knapweed (Rhaponticum repens) is an invasive perennial with blue-green, lobed basal rosettes that emerge in the spring. The basal rosette is a ring of leaves located at the base of the plant. Their flowers emerge in the summer an...