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Paeonia rockii

Paeonia rockii
Photo: George Chernilevsky, Public domain

Paeonia rockii, Rock's peony, is a woody tree peony native to the mountains of Gansu and nearby provinces in China, grown as an ornamental shrub. It needs cool winters, a sunny spot and well-drained soil to flower well.

Family
Paeoniaceae (Peony family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water deeply during dry spells, keeping the soil moist but never waterlogged.
Soil
Deep, fertile, well-drained loam with a neutral to slightly alkaline pH.
Temperature
-20 to 25 °C; needs a winter chill period to flower.
How easy
Moderate
Safety
Mildly toxic: Roots and seeds contain paeonol-type compounds and other constituents that can cause nausea and stomach upset if eaten; the plant is a herbal remedy only under expert use.
Native range
China
Climate
temperate

About

Paeonia rockii, or Rock's peony, is a woody species of tree peony that was named after Joseph Rock. It is one of several species given the vernacular name tree peony, and is native to the mountains of Gansu and adjoining provinces in China. In Chinese, it is known as 紫斑牡丹 (pinyin: zǐbān mǔdān).

Uses

Paeonia rockii is cultivated as an ornamental plant in Asia and the west. Like Paeonia lactiflora, another Chinese peony species, it is used as a herbal remedy in traditional Chinese medicine.

Other Paeonia plants

Anomalous Peony · California peony · Paeonia cambessedesii · Paeonia corsica · Paeonia daurica subsp. mlokosewitschii · Tree Peony · Dian mu dan · Himalayan Peony · Chinese peony · Paeonia ludlowii · Peony · Chinese Peony

Text excerpted from the Wikipedia article Paeonia rockii 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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