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Gypsyflower

Cynoglossum officinale

Also called Hound's Tongue, Common Houndstongue, Gypsy Flower, Rats And Mice, Houndstongue, Hound’s Tongue

Gypsyflower
Photo: Fornax, CC BY-SA 3.0

Gypsyflower is a biennial herb (sometimes annual) in the borage family, with greyish, softly hairy leaves and reddish-purple funnel-shaped flowers from May to September. It is a wild plant of roadsides, hedges and waste ground rather than a garden favourite, and it is grown mainly for interest or wildlife.

Family
Boraginaceae (Borage family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water sparingly; it tolerates dry conditions once established.
Soil
Well-drained soil, tolerates poor and sandy ground.
Temperature
Hardy in temperate climates; tolerates cold winters.
How easy
Easy
Safety
Toxic: Contains pyrrolizidine alkaloids, which are liver-damaging and tumour-promoting; the whole plant should be avoided.
Native range
Europe to W. & S. Siberia and Iran
Climate
temperate

About

Cynoglossum officinale (houndstongue, houndstooth, dog's tongue, gypsy flower, and rats and mice due to its smell) is a herbaceous plant of the family Boraginaceae.

Safety

Cynoglossum officinale contains tumorigenic pyrrolizidine alkaloids. It is toxic to cows and is especially dangerous to pasture owners.

Where it grows

Found in most parts of Europe, and also North America, where it was accidentally introduced including in British Columbia, where it is designated a noxious weed under the British Columbia Weed Control Act. It lives in wet places, sand dunes, waste land and hedges.

Other Cynoglossum plants

Chinese hound's tongue · Hound's tongue

Text excerpted from the Wikipedia article Cynoglossum officinale 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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