Japanese Elm

Ulmus davidiana

Native to:
China, Japan, Korea, Kuril Is., Myanmar, Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ulmaceae
Genus:
Ulmus
Species:
Ulmus davidiana
USDA Symbol:
ULDA

Growth Characteristics

Height:
1500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Reported Fauna Sightings

Moths:Aholibah Underwing (Catocala aholibah)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Prefers riverbanks and floodplains in native habitat

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–28 days
Notes:
Seeds are short-lived and should be sown fresh. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI