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

Rehmannia

Rehmannia
Photo: Shizhao, CC BY 2.5

Rehmannia is a genus of about seven species of perennial herbs native to China and Japan, sometimes called Chinese foxglove. Commonly grown members are valued for their large flowers in gardens, and the root is used in Asian medicine.

Family
Rehmanniaceae (Rehmanni family)
Light
Full sun, Part shade
Water
Keep soil evenly moist during growth, and let the top layer dry slightly between waterings.
Soil
Well-drained, fertile garden loam or potting mix with added organic matter.
Temperature
10–25 °C; hardy to about -10 °C in many species, protect from hard frost in colder areas.
How easy
Easy

About

Rehmannia is a genus of seven species of flowering plants in the order Lamiales and family Orobanchaceae, which is native to China and Japan. It has been placed as the only member of the monotypic tribe Rehmannieae, but molecular phylogenetic studies suggest that it forms a clade with Triaenophora. Contrary to the vast majority of the taxa of Orobanchaceae, Rehmannia is not parasitic.

Uses

Sometimes known as Chinese foxglove due to its superficial resemblance to the genus Digitalis, the species of Rehmannia are perennial herbs. The plants have large flowers and are grown as ornamental garden plants in Europe and North America, and are used medicinally in Asia.

Other Rehmannia plants

Rehmannia elata · Rehmannia glutinosa

Text excerpted from the Wikipedia article Rehmannia 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.

Credits & terms

Identify a plant

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

Your photo
Starting camera…