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Narrowleaf soap plant

Chlorogalum angustifolium

Narrowleaf soap plant
Photo: Scott Loarie from San Francisco, USA, CC BY 2.0

Narrowleaf soap plant is a perennial wildflower grown from a fibrous bulb, with narrow basal leaves and tall stalks of evening-opening white flowers. It is a species native to California and southern Oregon that thrives in heavy, rocky soil and is usually grown outdoors in dry, open ground.

Family
Asparagaceae (Asparagus family)
Grows as
Bulb
Light
Full sun, Part shade
Water
Water sparingly during the growing season and let the soil dry out completely while the plant is dormant in summer.
Soil
Heavy, well-drained or rocky soil, such as clay loam mixed with grit.
Temperature
Hardy to mild frost; comfortable in temperate conditions, protect from prolonged hard freezes.
How easy
Easy
Native range
S. Oregon to C. California
Climate
temperate

About

Chlorogalum angustifolium is a species of flowering plant, known by the common name narrowleaf soap plant.

Where it grows

It is native to the Sierra Nevada foothills and inner North Coast Ranges of California, and the mountains of southern Oregon, where it grows in heavy, rocky soils in woodland and on grassy hillsides.

Uses

The indigenous Karuk people of northern California used the soapy juice from the crushed bulbs of this plant as a detergent for washing clothing.

Other Chlorogalum plants

Red hills soap plant · Wavyleaf soap plant · Soap Plant

Text excerpted from the Wikipedia article Chlorogalum angustifolium 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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