IPMP3.0, Oregon State University, Copyright 2000

Powell's Amaranth
Amaranthaceae (Amaranthus powellii)


Biology and Management

Registered Herbicides

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Powell's Amaranth Flowers (link to large image)

Powell's Amaranth (link to large image)

Powell's Amaranth Flowers Powell's Amaranth

Powell's amaranth is an annual. Leaves are shiny, entire, and lack hairs. Lower stem, particularly of seedlings, is tinged red. Often confused with redroot pigweed. Leaves are more diamond-shaped or pointed than redroot pigweed, and flower bracts are longer and pointed.



This section contains information on identification of the different life stages of Powell's Amaranth.  Select Biology and Management from the Contents Menu for more information on the biology and management, or select Registered Herbicides for the herbicides that are registered to control this weed in mint.