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

Thunberg's amaranthus

Amaranthus thunbergii

Also called Small pigweed, Poor man's spinach, Thunberg's Pigweed, Thunberg's Amaranth, Thungerg's Pigweed, Red Pigweed

Thunberg's amaranthus
Photo: SAplants, CC BY-SA 4.0

Thunberg's amaranthus is a small annual weed of dry, open ground native to Africa from Eritrea to South Africa, grown mainly for its edible leaves. It is easy to raise from seed in warm, sunny conditions with little water.

Family
Amaranthaceae (Amaranth & beet family)
Grows as
Annual
Light
Full sun
Water
Water lightly and let the soil dry between waterings; it tolerates drought.
Soil
Well-drained, sandy or average garden soil; tolerates poor soil.
Temperature
18–35 °C; protect from frost, which kills the plant.
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
Eritrea to S. Africa
Climate
desert or dry shrubland

About

Amaranthus thunbergii, commonly known as Thunberg's amaranthus or Thunberg's pigweed, is found in Africa.

The leaves are used as a flavouring or leafy vegetable.

Other Amaranthus plants

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

Text excerpted from the Wikipedia article Amaranthus thunbergii 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…