Rough Amaranth

Amaranthus retroflexus

perennial1×1 mzone 3–11full sun

Profile

Family: Amaranthaceae
Habit: perennial
Height: 1 m
Spread: 1 m
Growth: very fast
Lifespan: 1 year
First yield: after 1 year
Hardiness: zone 3–11
Shade tolerance: full sun
Soil: Sand, Silt, Loam
Soil moisture: dry – very moist
pH: 5.3 – 8.6
Synonyms: Redroot amaranth, Reflexed amaranth

Flowering & harvest

	J	F	M	A	M	J	J	A	S	O	N	D
Flowering
Fruit harvest
Leaf harvest

Times apply to the northern hemisphere in a temperate climate and shift with altitude and cultivar.

Uses

Edible1 of 10

Medicinal1 of 10

Other uses1 of 10

Growing

Amaranthus retroflexus is an annual herb that prefers full sun and thrives in well-drained soils with a neutral pH. Sow seeds directly outdoors in spring after the danger of frost has passed. The plant requires moderate watering and grows quickly. Regular weeding and occasional thinning promote healthy growth.

⚠️ Hazards

Toxicity: slightly toxic

This is no substitute for expert identification. When in doubt, do not eat it.

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