Fraxinus americana var. microcarpa is a narrow-growing variety of F. americana, which sprouts late and is therefore less susceptible to night frost. The crown is closed and wide ovoid, height circa 15 m. Dark green, odd-pinnate leaves, usually with 5 - 7 leaflets, 30 - 40 cm big. Underneath grey white and with a violet-yellow autumn colouring. Inflorescence in May, monoecious panicles. Seeds ± 3 cm large. Useful as a park, avenue and street tree. Preferably rich, moist, open soil, can also be planted in dry loamy soil. Wind resistant. Winter hardiness zone: 4