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Spear Leaved Willowherb

Epilobium lanceolatum

Spear Leaved Willowherb
Photo: Original uploaded by Mbc (Transfered by PurpleHz), CC BY-SA 3.0

Spear-leaved willowherb is a perennial wildflower from western Europe, growing 30 to 60 cm tall with white-to-pink flowers from June to August. It is a rare woodland species found in light forest on silicate soils, so it is best grown in cool, moist, partly shaded conditions.

Family
Onagraceae (Evening-primrose family)
Grows as
Perennial
Light
Part shade
Water
Keep the soil evenly moist during the growing season and avoid drying out.
Soil
Moist, humus-rich, slightly acidic to neutral soil.
Temperature
Hardy in cool temperate climates, roughly -15 to 25 °C.
How easy
Moderate
Native range
Madeira, Europe to Caucasus, Algeria
Climate
temperate

About

Epilobium lanceolatum, the spear-leaved willowherb, is a species in the genus Epilobium, belonging to the Onagraceae or "evening primrose" family. It grows between 30 and 60 cm (12 and 24 in) high. This perennial plant has lance-shaped leaves, steadily narrowing to both ends, with long petioles; 5–7 mm, grey to green-blue, with widely toothed margins. The flowers are white fading to pink; blooming from June to August. Epilobium lanceolatum occurs across western Europe.

Where it grows

The only recent confirmed finding in Croatia was on Medvednica.

Other Epilobium plants

Whorled Leaved Willowherb · Chickweed Willowherb · Pimpernel willowherb · Aboriginal willowherb · Tall annual willowherb · New Zealand Willowherb · Hummingbird trumpet · Fringed willowherb · Talus willowherb · Selfing willowherb · Hill Willowherb · Purpleleaf willowherb

Text excerpted from the Wikipedia article Epilobium lanceolatum 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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