European Ash

Fraxinus excelsior

Native to:
Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, East Aegean Is., France, Germany, Greece, Hungary, Iran, Ireland, Italy, Krym, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Oleaceae
Genus:
Fraxinus
Species:
Fraxinus excelsior
USDA Symbol:
FREX80

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
3500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may
Bloom Colors:
green

Wildlife Benefits

Caterpillars:
★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Ash Borer (Podosesia syringae), Elegant sphinx (Sphinx perelegans), Fall webworm (Hyphantria cunea), Manduca brontes, Waved Sphinx (Ceratomia undulosa), White-marked Tussock Moth (Orgyia leucostigma)

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 moderate drainage
Moisture:
consistently moist
Notes:
Prefers fertile soils in its native range

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–120 days
Germination Time:
14–60 days
Notes:
Seeds exhibit deep dormancy; often require warm stratification followed by cold stratification. Germination can be erratic and may take two seasons.

The above propagation data sourced from Claude AI