Evening Trumpetflower
Gelsemium sempervirens
- Native to:
- Guam, Guatemala, Honduras, Mexico, United States, Virgin Islands
iNaturalist: © ryandillard (iNaturalist #204649593)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Gelsemiaceae
- Genus:
- Gelsemium
- Species:
- Gelsemium sempervirens
- USDA Symbol:
- GESE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Vine
- Height:
- 600 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- feb,mar,apr,may
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Bees: Habropoda laboriosa, ⚠️Western honey bee (Apis mellifera) Moths:Giant leopard moth (Hypercompe scribonia)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers organic matter-rich soils
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–60 days
- Notes:
- Seeds benefit from cold stratification for 2-3 months; germination is often slow and erratic.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)