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Borage

Borago officinalis

Also called Common borage, Beebread, Beeplant, Starflower, Talewort, Boražina, Bee Plant

Borage
Photo: Christian Orlandi, CC BY-SA 4.0

Borage is a bristly annual herb from the Mediterranean with blue star-shaped flowers, grown for its edible leaves and flowers and its seed oil. It self-seeds readily and can become invasive, and it is a favourite of bees.

Family
Boraginaceae (Borage family)
Grows as
Annual
Light
Full sun, Part shade
Water
Water regularly in dry spells, keeping soil moist but not waterlogged.
Soil
Well-drained, average to poor soil; tolerates lean ground.
Temperature
10–25 °C; tolerates light frost but is damaged by hard freezes.
How easy
Easy
Safety
Mildly toxic: Leaves and seed oil contain small amounts of liver-toxic pyrrolizidine alkaloids; honey can carry these too if derived from borage pollen.
Edible
Yes, some parts
Native range
W. & C. Medit.
Climate
temperate

About

Borage ( or ; Borago officinalis), also known as starflower, is an annual herb in the flowering plant family Boraginaceae native to the Mediterranean region. Although the plant contains small amounts of pyrrolizidine alkaloids, some parts are edible and its seeds provide oil.

Safety

In addition to the liver-toxic pyrrolizidine alkaloids (PAs) found in the leaves and seed oil, the German Federal Institute for Risk Assessment has advised that honey from borage contains pyrrolizidine alkaloids, transferred to the honey through pollen collected from the flowers, and recommends that commercial honey production select for raw honey with limited PA content to prevent contamination.

Where it grows

Borage is native to the Mediterranean region, though it has become naturalized in many other locales. It grows satisfactorily in gardens in most of Europe, such as Denmark, France, Germany, Ireland, and the United Kingdom. Although an annual, it will persist in the garden from year to year through ready self-seeding.

Uses

Traditionally, borage was cultivated for culinary and medicinal uses, although today, commercial cultivation is mainly as an oilseed.

Text excerpted from the Wikipedia article Borage 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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