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Redroot pigweed (Amaranthus retroflexus) habit is variable, and depends largely on its environment.  In the open, with no competing vegetation, pigweed will grow erect and at the same time develop branches that grow laterally and then up.

Redroot pigweed (Amaranthus retroflexus)

Redroot pigweed (Amaranthus retroflexus)


Pigweed can grow and reproduce (set flowers and seed) very close to the ground if mowing or similar disturbances prevent it from growing upright.

Redroot pigweed (Amaranthus retroflexus)

Generally, pigweed grows upright in large masses or clumps.

Redroot pigweed (Amaranthus retroflexus)

Redroot pigweed (Amaranthus retroflexus)



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