Soapweed Yucca
Yucca glauca
- Native to:
- Canada, United States
Alvesgaspar
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asparagaceae
- Genus:
- Yucca
- Species:
- Yucca glauca
- USDA Symbol:
- YUGL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, cream, green
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Prodoxus quinquepunctella, Yucca moth (Tegeticula yuccasella), Strecker's giant skipper (Megathymus streckeri)
Reported Fauna Sightings
Butterflies:Yucca Giant-Skipper (Megathymus yuccae)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, yucca moths
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from the root crown following fire. Common in fire-maintained grasslands and prairies.
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily without pretreatment. Warm temperatures (70-80°F) improve germination rates.
The above propagation data sourced from Claude AI
Pre-treatment: Soaking seeds in water for 24 hours at room temperature, or mechanical scarification or removal of the hard seed coat at the hilum end.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.