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Olive Leaved Gromwell

Glandora oleifolia

Olive Leaved Gromwell
Photo: Ghislain118 (AD) http://www.fleurs-des-montagnes.net, CC BY-SA 3.0

Olive-leaved gromwell is a low, spreading evergreen subshrub from a small rocky area in the eastern Pyrenees, grown for its sky-blue flowers and silky olive-like leaves. It needs sharp drainage and alkaline soil to thrive.

Family
Boraginaceae (Borage family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; let the soil dry out between waterings and avoid waterlogging.
Soil
Free-draining, alkaline or limey soil, such as gritty or stony mix.
Temperature
Hardy to around -10 °C; protect from prolonged wet cold.
How easy
Moderate
Native range
SE. Pyrenees
Climate
temperate

About

Glandora oleifolia (Lapeyr.) D.C.Thomas, the olive-leaved gromwell (syn. Lithodora oleifolia, Lithospermum oleifolium), is a species of flowering plant in the family Boraginaceae. The plant is native to a small rocky area near Figueras in the eastern Pyrenees, and is endemic to Spain.

How to grow it

Glandora oleifolia is cultivated as an ornamental plant. In gardens it prefers an alkaline soil. It has gained the Royal Horticultural Society's Award of Garden Merit

Other Glandora plants

Scrambling Gromwell · Creeping Gromwell

Text excerpted from the Wikipedia article Glandora oleifolia 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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