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Common eyebright

Euphrasia nemorosa

Also called Canada Eyebright, Hairy Eyebright, Eastern Eyebright, European Eyebright

Common eyebright
Photo: alicia penney, CC BY 4.0

Common eyebright is a small hemiparasitic annual wildflower that attaches to the roots of grasses and other plants to supplement its own growth. It is grown mainly as a wild meadow or heath plant rather than as a garden subject, and it is best started from seed in open, grassy or heathland conditions.

Family
Orobanchaceae (Orobanch family)
Grows as
Annual
Light
Full sun, Part shade
Water
Keep soil lightly moist during establishment, then let it dry slightly between waterings.
Soil
Light, well-drained soil in open grassland, heath or meadow conditions.
Temperature
10–20 °C is typical for its native temperate range; it is frost hardy as a seedling.
How easy
Moderate
Safety
Not known to be toxic
Native range
Europe
Climate
temperate

About

Euphrasia nemorosa, the common eyebright, is a hemiparasitic, annual species of flowering plant in the family Orobanchaceae. It is native to Europe and has been introduced to North America and New Zealand. It is the commonest species of Euphrasia in Britain and Ireland.

Other Euphrasia plants

Eyebright · Eyebright

Text excerpted from the Wikipedia article Euphrasia nemorosa 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.

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