The leaves form in bundles of five to nine leaflets, with finely serrated edges.

Feb 23, Even with heavy leaf drop, overall tree health is rarely affected; trees usually send out a second flush of leaves. If a tree has been infected, do what you can to promote growth and avoid stress to the tree.

Each leaf contains five or seven leaflets that have finely serrated margins.

Water the tree during dry periods, fertilize if Estimated Reading Time: 1 min. Sep 28, Ash Tree Varieties. White ash tree (Fraxinus americana). The American ash tree or white ash has green leaves with bluish-green undersides. White ash trees grow in a Black ash tree (Fraxinus nigra). Black ash is a medium-sized, slow-growing tree with scaly gray bark and long leaves.

Ash tree leaves: Green ash tree leaves are compound pinnate with five to nine leaflets per leaf.

Green ash Estimated Reading Time: 9 mins. Aug 17, The purple ash tree (Fraxinus americana ‘Autumn Purple’) is actually a white ash tree that has purple leaves in fall. Its attractive autumn foliage makes it a popular street and shade tree. Unfortunately, experts no longer recommend planting new ash trees since they are susceptible to the deadly pest, the emerald ash borer.

Read on for more purple ash tree shrubcleanup.barted Reading Time: 2 mins.