Tumble Pigweed

Amaranthus albus

Leaves: Ovate- to spatulate shaped with wavy margins; V-shaped variegation absent. Leaf petioles are shorter or no longer than the leaf blade. Leaves on flowering branches may appear oblong- to obovate- to elliptic.

Stems: Pale green- to white and hairless.

Height: 0.5-3 feet in diameter with low/bushy appearance.

Flowers: Male and female flowers are produced on the same plant (monoecious). Inflorescences consist of tight clusters with spiny bracts emerging from leaf axils.

Herbicide resistances in US: None Reported.

Herbicide resistances in Mid Atlantic and New England: None Reported.

Resistance information updated April 2025.

Images above: Tumble pigweed leaves are ovate- to spatulate shaped with wavy margins and lack any V-shaped variegation absent. Leaf petioles are shorter or no longer than the leaf blade.

Images above: Tumble pigweed stems are pale green to white and hairless. Male and female flowers are produced on the same plant (monoecious) and inflorescences consist of tight clusters with spiny bracts emerging from leaf axils.

Images above: Tumble pigweed leaves are ovate- to spatulate shaped. They have wavy margins and lack V-shaped variegation. Inflorescences (upper right) are made up of tight clusters flowers with spiny bracts emerging from leaf axils. Male and female flowers are produced on the same plant (monoecious). Plants have a bushy, globular growth habit (bottom image).