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Paeonia ostii

Paeonia ostii
Photo: peachberry98, CC BY 2.0

Paeonia ostii is a hardy shrub in the peony family from central China, grown mainly as a source parent for medicinal tree peonies. It grows best in a sunny, well-drained spot with cool winters.

Family
Paeoniaceae (Peony family)
Grows as
Tree, Shrub
Light
Part shade, Full sun
Water
Water deeply during dry spells, especially in the first years, and let the top of the soil dry slightly between waterings.
Soil
Deep, well-drained loam, slightly alkaline to neutral.
Temperature
Hardy to around -20 °C; flowers best after a cold winter.
How easy
Moderate
Native range
China (W. Henan to Anhui)
Climate
temperate

About

Paeonia ostii is a hardy shrub in the peony family, Paeoniaceae. It can be found in the Gansu, Anhui, Shaanxi and Henan provinces of China. It can reach heights of 1.5 m, and has grey-brown bark and lance-shaped leaflets. Flowers are produced in mid-spring, measure up to 15 cm across, and are typically pure white without basal blotches. The flowers can sometimes be faintly tinged with pink.

It grows in deciduous forests, and on slopes to an altitude of 300-600 m.

Other Paeonia plants

Algerian Peony · Anomalous Peony · Paeonia arietina · Paeonia broteri · Brown's peony · California peony · Paeonia cambessedesii · Clusius' Peony · Paeonia coriacea · Paeonia corsica · Paeonia daurica subsp. macrophylla · Paeonia daurica subsp. mlokosewitschii

Text excerpted from the Wikipedia article Paeonia ostii 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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