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A blue ashDistant cousins of the olive, more than 65 members of the ash family can be found in North America. Ashes vary, depending on type, from small, rather slender specimens to very large deciduous trees. All ashes have opposite compound leaves and very stout twigs. Like maples, ashes have winged seeds called samaras. The wood of the ash is prized for its suppleness and flexibility and is still used to make sports equipment, for tool handles and in the manufacture of furniture.. Depending on soil and climate, ashes also make attractive and versatile landscape trees.

Learn more about the different types of ash and the insects and diseases that affect them.

Improving Your Ash Tree's Soil

Probably the most important factor for a healthy ash tree is good soil. The type of soil determines not only how much nutrients and water the plant has access to, but also how efficiently the tree can use those nutrients. This can determine whether your ash can successfully withstand the stresses of growing in an urban environment or fight off infections such as Ash Yellows. As a homeowner, the best contribution you can make to your ash tree's soil and to the long-term viability of your tree is the addition of beneficial mycorrhizal fungi.

To learn more about mycorrhizal fungi, click here.