Wavyleaf Soap Plant

Chlorogalum pomeridianum

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asparagaceae
Genus:
Chlorogalum
Species:
Chlorogalum pomeridianum
USDA Symbol:
CHPO3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug
Bloom Colors:
white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Brown Elfin (Incisalia augustinus)

Reported Fauna Sightings

Bees: Yellow-faced bumble (Bombus vosnesenskii)

Garden & Ecology Notes

Wildlife Value:
bees, moths
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Bulbs resprout vigorously after fire. Common in California grasslands and oak woodlands with periodic fire regimes.

Soil Requirements

Soil Type:
rocky, well-drained sandy loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in open, sunny environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Seeds germinate best with cold stratification. Can also be propagated from bulb offsets.

The above propagation data sourced from Claude AI

Pre-treatment: Dry seeds for 2 weeks and then cold stratify in perlite for 2 months.

Establishment: Seeds are collected between July 11th and September 21st. Seed is black and rough textured, about 5 to 7 mm long at maturity. The plant is found on dry open hills below 5000 feet elevation; from southern Oregon to San Diego County, California.

Source: npn.rngr.net