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Florist's spiraea

Astilbe glaberrima

Florist's spiraea (Astilbe glaberrima) is a small perennial in the saxifrage family, native to Yakushima Island in Japan, grown for its feathery flower plumes. Its dwarf variety, var. saxatilis, is a popular garden plant, and the key to success is keeping its soil consistently moist and cool.

Family
Saxifragaceae (Saxifrag family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep soil consistently moist and never let it dry out.
Soil
Humus-rich, moisture-retentive, well-drained loam.
Temperature
10–24 °C; hardy in cool temperate climates, protect from prolonged heat above 30 °C.
How easy
Easy
Native range
Japan (Yakushima)
Climate
temperate

About

Astilbe glaberrima, called the florist's spiraea and smooth rock astilbe, is a species of flowering plant in the genus Astilbe, native to Yakushima Island, Japan. Some authorities have it as a subspecies of Astilbe japonica, Astilbe japonica subsp. glaberrima. Its dwarf variety Astilbe glaberrima var. saxatilis has gained the Royal Horticultural Society's Award of Garden Merit.

Other Astilbe plants

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

Text excerpted from the Wikipedia article Astilbe glaberrima 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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