Photo: www.ndsu.edu/extension
Palmer amaranth plants.
Photo: B. Jenks, NDSU
Palmer amaranth (right), waterhemp (left).
Photo: G. Endres, NDSU
Female Palmer amaranth with spiny bracts.
Photo: B. Jenks, NDSU
Palmer amaranth petioles are longer than the leaf blade.
Photo: B. Jenks, NDSU
Waterhemp has long, narrow leaves.
Photo: T. Peters, NDSU
Palmer amaranth.
Photo: B. Jenks, NDSU
Palmer amaranth (left) has no hair, Redroot pigweed (right) has short, dense hair.
Photo: C. Sprague, Michigan State
Palmer amaranth female seed head (top) and male (bottom). Female is prickly, male is soft.
Photo: B. Jenks, NDSU
Waterhemp female seed head on left, male head on right.
Photo: T. Peters, NDSU
Redroot pigweed seed head.
Photo: B. Jenks, NDSU
Palmer with long terminal seed head.
Photo: Nick Nelson/Agweek
The amaranth species look fairly similar as seedlings. Nobody wants to wait until they’re in seed to figure that out. When in doubt, ask an agronomist.” — Tammy Jones, Manitoba Agriculture.
For the latest information, visit the North Dakota State University website.
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