First true leaves are strongly egg-shaped with a deep notch at the tip. As seedlings mature the stem becomes very roughly hairy. Redroot pigweeds are tall plants with few branches. Stems tend to be green or reddish in color with green leaves. Stems and leaves are very hairy.
Leaves are egg-shaped.
Seedhead branches are few and tend to be short and stout with a prickly appearance. Technical Characters Bracts long, 4-7 mm. Management Redroot pigweed is less difficult in general to manage than common waterhemp. However, caution is needed. Some populations have triazine resistant biotypes.