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Green Hound's Tongue

Cynoglossum germanicum

Green Hound's Tongue
Photo: picture taken by Olaf Leillinger, GFDL

Green hound's tongue is a biennial or short-lived perennial herb from European woodland glades and hedgerows, growing to about 75 cm. It needs warm, nitrogen-rich, reasonably sheltered conditions to do well.

Family
Boraginaceae (Borage family)
Grows as
Perennial
Light
Part shade
Water
Keep soil evenly moist during the growing season, but avoid waterlogging.
Soil
Fertile, moist, well-drained loam rich in organic matter.
Temperature
Hardy to about -15 °C; grows best in warm temperate conditions.
How easy
Moderate
Safety
Toxic: Like other Cynoglossum species, it contains pyrrolizidine alkaloids that can damage the liver if eaten in quantity; avoid ingesting any part.
Native range
Europe to Caucasus
Climate
temperate

About

Cynoglossum germanicum, the green houndstongue, is a flowering plant species, in the family Boraginaceae, which is native to Europe.

Where it grows

It grows in woodland glades, among deciduous trees, and sometimes hedgerows. It requires warm and nitrogen-rich conditions. It is native to Europe. It has become extinct in Scotland, but persists in England, where it is rare.

Other Cynoglossum plants

Chinese hound's tongue · Australian Hound's Tongue · Borage Family · Blue Hound's Tongue · Borage Family · Gypsyflower · Cynoglossum torvum · Ceylon Hound's Tongue · Hound's tongue

Text excerpted from the Wikipedia article Cynoglossum germanicum 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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