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Tree Flax

Linum arboreum

Tree Flax
Photo: Robert Flogaus-Faust, CC BY 4.0

Tree flax (Linum arboreum) is an evergreen subshrub from the eastern Mediterranean and southwest Türkiye, grown for its bright yellow flowers. It needs full sun and very good drainage, and does best in a mild climate.

Family
Linaceae (Lin family)
Grows as
Tree
Light
Full sun
Water
Water moderately during establishment, then only in prolonged dry spells; let the soil dry out between waterings.
Soil
Free-draining, neutral to alkaline soil, such as sandy or gritty loam.
Temperature
Mild climate; tolerates brief cold to about -5 °C, protect from prolonged frost below about -7 °C.
How easy
Easy
Native range
S. Aegean Reg. to SW. Türkiye
Climate
subtropical

About

Linum arboreum, called tree flax, evergreen flax and shrubby flax, is a species of Linum native to Greece, including Crete and the Aegean Islands, and Turkey. It has gained the Royal Horticultural Society's Award of Garden Merit as an ornamental.

Other Linum plants

Pale flax · Golden Flax · Flowering flax · Lewis flax · Flax · Blue flax · Linum strictum · Flax · Flax

Text excerpted from the Wikipedia article Linum arboreum 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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