Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Slim amaranth

Amaranthus hybridus

Also called Amaranth pigweed, Green Amaranth, Red Amaranth, Smooth Amaranth, Smooth Pigweed, Spleen Amaranth, Pigweed

Slim amaranth
Photo: User:MarkusHagenlocher, CC BY-SA 3.0

Slim amaranth is an annual weedy plant, native to the Americas, that grows quickly from seed in disturbed ground and warm climates. It is grown and foraged mainly for its edible seeds and leafy greens.

Family
Amaranthaceae (Amaranth & beet family)
Grows as
Annual
Light
Full sun
Water
Water regularly while young, then let the soil dry slightly between waterings.
Soil
Any well-drained garden soil or loam; tolerates poor soil.
Temperature
18–35 °C; frost-tender, protect below 10 °C
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
S. Ontario to W. South America
Climate
seasonally dry tropical

About

Amaranthus hybridus, commonly called green amaranth, slim amaranth, smooth amaranth, smooth pigweed, or red amaranth, is a species of annual flowering plant. It is a weedy species found now over much of North America and introduced into Europe and Eurasia.

Where it grows

Amaranthus hybridus was originally a pioneer plant in eastern North America. It has been reported to have been found in every state except Wyoming, Utah, and Alaska. It is also found in many provinces of Canada, and in parts of Mexico, the West Indies, Central America, and South America. It has been naturalized in many places of warmer climate. It grows in many different places, including disturbed habitats.

Uses

The seeds and cooked leaves are edible.

Other Amaranthus plants

Greenstripe · Prostrate pigweed · Mat amaranth · Purple amaranth · Brown's amaranth · Love-lies-bleeding · Red amaranth · Spleen amaranth · Mediterranean amaranth · Prince-of-Wales feather · African amaranth · Carelessweed

Text excerpted from the Wikipedia article Amaranthus hybridus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…