Appearance:
Low growing broadleaf weed with oval shaped leaves. Leaves have 3-5 prominent veins and edges become wavy as plant matures. Long spike with small greenish flowers rise from the base before going to seed.
See botanical illustration.
Growth:
Perennial weed, thrives in hot, dry weather when turf is stressed. Grows from a large tap-root in mid-spring and grows all season long. Can tolerate low mowing and heavy soils.
Physical Control:
Encourage conditions favorable for turf growth including proper drainage and fertility. Can be dug out by hand, but entire tap root must be removed for effective control.
Chemical Control:
Spot spray with post-emergent broadleaf herbicide containing triclopyr, clopyralid, or 2,4-D, MCPP, and dicamba.