Main page Habit Foliage Flowers Roots Seedlings
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.
Pigweed can grow and reproduce (set flowers and seed) very close to the
ground if mowing or similar disturbances prevent it from growing upright.
Generally, pigweed grows upright in large masses or clumps.
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