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Ledge stonecrop

Rhodiola integrifolia

Also called King's Crown, Western Roseroot, Entire Leaved Rosewort, Entire Leaved Stonecrop

Ledge stonecrop
Photo: JerryFriedman, CC BY-SA 3.0

Rhodiola integrifolia is a hardy, succulent-leaved perennial from cold mountain habitats in Russia and western North America. It grows best in cool, well-drained, sunny conditions and resents heat and waterlogging.

Family
Crassulaceae (Stonecrop family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water moderately during the growing season and let the soil dry out between waterings; avoid soggy roots.
Soil
Gritty, fast-draining mix such as sand, grit and loam.
Temperature
5–20 °C is comfortable; tolerates severe winter cold but dislikes sustained heat above about 30 °C.
How easy
Moderate
Native range
Russian Far East, Subarctic America to W. & WC. U.S.A.
Climate
subalpine or subarctic

About

Rhodiola integrifolia is a species of flowering plant in the stonecrop family known by the common names ledge stonecrop, western roseroot, and king's crown. It is native to north-easternmost Russia, including Kamchatka, and western North America, where it grows in mountainous habitat in subalpine and alpine climates, including meadows, cliffs, and talus. It is a perennial herb producing a stout stem from a fleshy, branching caudex, reaching a maximum height near 30 centimeters. The fleshy leaves are alternately arranged on the stem, widely lance-shaped to oval and pointed, flat but upcurved toward the tip, reaching 2.5 centimeters long. They are green when new and age to orange, rose, or red. The inflorescence is a dense cyme of up to 50 flowers with fleshy petals in shades of bright red to deep purple. The fruits are red, rounded ovals with pointed tips.

Other Rhodiola plants

Gray Stonecrop · Roseroot stonecrop · Stonecrop

Text excerpted from the Wikipedia article Rhodiola integrifolia 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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