Yaupon
Ilex vomitoria
- Native to:
- Cuba, Mexico, United States
Mary Vaux Walcott (en.wikipedia.org)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Aquifoliaceae
- Genus:
- Ilex
- Species:
- Ilex vomitoria
- USDA Symbol:
- ILVO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 760 cm
- Light Requirements:
- Full Sun,Part Shade,Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white
- Landscaping Shrub:
- Yes
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)
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Henry's Elfin (Incisalia henrici), Holly Blue (Celastrina argiolus)
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Moths:pawpaw sphinx (Dolba hyloeus) Butterflies:Henry's Elfin (Callophrys henrici)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from the root crown following fire. Common in fire-maintained pine savannas and coastal plain ecosystems.
Soil Requirements
- Soil Type:
- sandy, well-drained, moderately fertile soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Native to coastal plains; tolerates drought
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 60–90 days
- Germination Time:
- 30–365 days
- Notes:
- Seeds exhibit double dormancy requiring warm stratification followed by cold stratification. Germination can be slow and erratic.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring.