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Woodruff

Galium odoratum

Also called Sweetscented bedstraw, Sweet Woodruff, Sweet White Woodruff, Sweet Scented Bedstraw

Woodruff
Photo: Hajotthu 13:34, 11. Mai 2009 (CEST), CC BY-SA 3.0

Sweet woodruff is a low, rhizomatous perennial with whorled leaves and small white flowers, grown mainly as a shade groundcover and for its sweet, hay-like scent. Keep it moist and shaded, as it dislikes hot, dry sun.

Family
Rubiaceae (Coffee family)
Grows as
Perennial
Light
Shade
Water
Keep soil consistently moist, especially in its first season, but avoid waterlogging.
Soil
Rich, humus-heavy, moist but well-drained soil.
Temperature
Hardy to about -25 °C; struggles in hot summers above about 30 °C.
How easy
Easy
Safety
Mildly toxic: The dried plant contains coumarin, which can cause headaches, dizziness or liver effects in large or repeated doses; fresh plant is best avoided.
Edible
Yes, some parts
Native range
Temp. Eurasia, Algeria
Climate
temperate

About

Galium odoratum, the sweet woodruff or sweetscented bedstraw, is a flowering perennial plant in the family Rubiaceae, native to much of Europe. It is widely cultivated for its flowers and its sweet-smelling foliage.

Safety

Industrial usage of the plant for sweets was prohibited in Germany in 1974, due to coumarin, the flavorant found in woodruff, being toxic to rats and mice in studies. It has, however, not been found to be harmful to humans, even in large doses, in which it follows a different metabolic pathway. The flavour is still popular for sweets in Germany, but is achieved artificially with 6-methyl coumarin. Products targeted towards adults, such as alcoholic drinks, are still permitted to include coumarin, in limited quantities.

Where it grows

The plant is native to much of Europe from Spain and Ireland to Russia, as well as Western Siberia, Turkey, Iran, the Caucasus, China, and Japan. It is also sparingly naturalised in scattered locations in the United States and Canada.

Uses

It is widely cultivated for its flowers and sweet-smelling foliage.

Other Galium plants

White bedstraw · Alpine Bedstraw · Stickywilly · Lamarck's bedstraw · False baby's breath · Roughfruit corn bedstraw · Bedstraw

Text excerpted from the Wikipedia article Galium odoratum 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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