Latin Name: Fraxinus pennsylvanica var. subintegerrima
Native Range: Southern Canada in the Prairie Provinces of Manitoba and Saskatchewan, United States Northern Great Plains.
Seed Source: Green ash shelterbelt near Indian Head Saskatchewan.
Height and Spread: 15m x 5m (25 years).
Overview: Found in bottomlands and river valleys in the Prairie Provinces. Green ash is an excellent species selection for agroforestry applications.
Fruit: A samara consisting of one oval carpelterminating in a broad membranous wing.
SEED TREATMENT / SOWING
Stratification: Soak dry seeds for 3 days in cold water, then stratify 60 days in moist sand at 5°C.
Ideal sowing time: Spring (stratified seed) or fall (non-stratified).
Sowing instructions: Sow 2.0 cm deep,50 seeds/meter; Greenhouse - sow 3 seeds per cell.
Growing conditions: Tremendous adaptability to a wide variety of soils and climates.
Green ash is used for farmstead and field shelterbelts, as a deciduous long-lived tree component of Ecobuffers, and to revegetate surface-mined lands, flood plains, and other areaswhere a moderately fast growing, tough tree is needed. Green ash is easy to grow and transplant. It will withstand long periods of spring flooding.