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

Pimpernel willowherb

Epilobium anagallidifolium

Also called Alpine Willowherb

Pimpernel willowherb
Photo: Walter Siegmund (talk), CC BY-SA 3.0

Pimpernel willowherb (Epilobium anagallidifolium) is a small alpine perennial in the evening-primrose family, forming low clumps in cold mountain and northern habitats. It is a wild species rather than a common garden plant, and it needs cool, open, moist conditions to do well.

Family
Onagraceae (Evening-primrose family)
Grows as
Perennial
Light
Full sun
Water
Keep the soil evenly moist during the growing season and avoid waterlogging.
Soil
Gritty, free-draining, moisture-retentive mix such as loam with grit.
Temperature
5–20 °C; tolerates hard frost and snow
How easy
Moderate
Native range
Subarctic & Temp. Northern Hemisphere
Climate
temperate

About

Epilobium anagallidifolium is a species of willowherb known by the common names pimpernel willowherb and alpine willowherb. This small flowering plant has a near-circumboreal distribution and can be found in mountain ranges further south, where grows in alpine climates. It is a perennial found in low clumps rarely exceeding 20 centimeters in height.

Other Epilobium plants

Chickweed Willowherb · Hummingbird trumpet · Great Willowherb · Marsh willowherb

Text excerpted from the Wikipedia article Epilobium anagallidifolium 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…