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Red hills soap plant

Chlorogalum grandiflorum

Also called Red Hills Soaproot

Red hills soap plant
Photo: Unknown authorUnknown author, Public domain

Red Hills soap plant is an uncommon, bulbous perennial wildflower from the Sierra Nevada foothills of California, grown from a bulb with flowers that open in the evening and close by morning. It is best kept as a bulb in a dry, sunny spot that matches its native chaparral and woodland habitat.

Family
Asparagaceae (Asparagus family)
Grows as
Bulb
Light
Full sun, Part shade
Water
Water sparingly during the spring growing season and keep the bulb dry while it is dormant in summer.
Soil
Sharply draining, gritty mix or native-style soil.
Temperature
10–30 °C; tolerates winter cold when dormant.
How easy
Moderate
Native range
California (Placer Co., El Dorado Co., Tuolumne Co.)
Climate
temperate

About

Chlorogalum grandiflorum is a species of flowering plant known by the common name Red Hills soap plant. It is endemic to the Sierra Nevada foothills, such as the Red Hills (Tuolumne County), of California, where it grows in chaparral, woodland, and forest.

Other Chlorogalum plants

Narrowleaf soap plant · Wavyleaf soap plant · Soap Plant

Text excerpted from the Wikipedia article Chlorogalum grandiflorum 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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