Winged Elm
Ulmus alata
- Native to:
- United States, Virgin Islands
Jay Sturner (www.flickr.com) from USA





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ulmaceae
- Genus:
- Ulmus
- Species:
- Ulmus alata
- USDA Symbol:
- ULAL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 1830 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- feb,mar
- Bloom Colors:
- green, red
Wildlife Benefits
- 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
Imperial Moth (Eacles imperialis), Io moth (Automeris io)
Reported Fauna Sightings
Moths:Cameraria ulmella, Stigmella apicialbella
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- moist, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Prefers bottomland and floodplain areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 60-90 days to break dormancy; sow in spring.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)