Common Name: Flowering ash
Origin/Ecology: Native to Southern Europe, Asia Minor
Habit: Rounded, deciduous tree growing 40-50′ tall with a relatively short trunk.
Leaves: Odd-pinnate compound leaves (5-8″ long) have 5-9 leaflets. Leaflets are ovate to oblong, toothed and dark green above. Fall colour is somewhat undistinguished, ranging from yellow-burgundy to red-purple.
Leaf Arrangement: Opposite
Flowers and Fruit: Perfect, fragrant, creamy white flowers appear in axillary and terminal panicles (to 5″ long) in May. Clusters of samaras (to 2″ long) ripen in fall and may persist on the tree throughout the winter.
Bark: Smooth, grey bark.
Water Use, Soil: Moist, organically rich, well-drained loams. Moderate drought tolerance.
Exposure: Full sun. Best sited away from strong winds.
Landscape Uses: Shade tree, street tree, lawn tree.
Limitations: Susceptible to emerald ash borer, which kills an ash in 3-5 years. Also susceptible to ash borer, lilac borer, carpenter worm, oyster shell scale, leaf miners, fall webworms, ash sawflies, ash leaf curl aphid, fungal leaf spots, powdery mildew, rust, anthracnose, cankers, and ash yellows.