IPMP3.0, Oregon State University, Copyright 2000

Powell Amaranth
Asteraceae (Lactuca serriola)

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Powell Amaranth Flowers (link to large image)

Powell Amaranth (link to large image)

Powell Amaranth Flowers Powell Amaranth

Powell 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.

 
Description

 

This section contains information on identification of the different life stages of Powell 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.