Weak-Leaf Yucca
Yucca flaccida
Also known as: Gulf Coast Yucca
- Native to:
- Canada, United States
William Avery
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asparagaceae
- Genus:
- Yucca
- Species:
- Yucca flaccida
- USDA Symbol:
- YUFL2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- 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), ⚠️Cofaqui giant-skipper (Megathymus cofaqui), Yucca Giant-Skipper (Megathymus yuccae)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes after fire; fire may stimulate flowering.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to dry, open woods and sandy soils
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds benefit from cold stratification for 30-60 days; germination is slow and irregular.