The white ash will have a U-shaped leaf scar with the bud inside the dip; the green ash will have a D-shaped leaf scar with the bud sitting atop the scar. Leaves : opposite , pinnately compound ...

The name White ash derives from the blueish white undersides of the leaves. It is similar in appearance to the Green ash, making identification difficult. White ash is widely grown as an ...

Light. Mountain ash grows well in full sun or part shade.Too much shade, however, will limit its flower and fruit production. For best flowering, give it at least 6 hours of sun per day.

On ash trees, the buds, leaves, and sometimes twigs may become infected. In early spring, infection of buds or expanding leaves results in irregular brown blotches and distortion of leaflets.