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Thunberg's Astilbe

Astilbe thunbergii

Also called Ostrich Plume

Thunberg's Astilbe
Photo: El Grafo, CC BY-SA 3.0

Astilbe thunbergii is a hardy, clump-forming perennial from Japan, grown for its feathery plumes of small flowers in summer. It does best in cool, moist, partly shaded sites with rich soil kept evenly damp.

Family
Saxifragaceae (Saxifrag family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep the soil consistently moist and never let it dry out completely.
Soil
Humus-rich, moisture-retentive loam with plenty of organic matter.
Temperature
Hardy to about -20 °C; cool summers suit it best and it struggles in prolonged heat.
How easy
Easy
Native range
Japan (SC. & S. Honshu, Shikoku)
Climate
temperate

About

Astilbe thunbergii is a species of flowering plant in the genus Astilbe, native to Japan. Its hybrid cultivar 'Straussenfeder' has gained the Royal Horticultural Society's Award of Garden Merit.

Other Astilbe plants

Tall False Buck's Beard · Florist's spiraea · Florist's spiraea · Entire Leaf False Goat’s Beard · False goat's beard

Text excerpted from the Wikipedia article Astilbe thunbergii 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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