Scientific: Fraxinus uhdei Common: Shamel ash or evergreen ash Family: Oleaceae Origin: Mountain canyons of south-central Mexico just north of Mexico City into central America. Landscape Use: Large to massive evergreen to semi-evergreen shade tree, parks, commercial, large … She has traveled extensively to such places as India and Sri Lanka to widen and enhance her writing and knowledge base. Watering: Apply regular water throughout the year. buttress roots of mature specimens of Shamel ash can heave concrete. Apply the systemic insecticide imidacloprid around the base of the tree. Cut away all dead or damaged branches. Maintain the Arizona ash tree's health by providing regular water and fertilizer to prevent borer pest infestations. Her writing has a strong focus on home improvement, gardening, parenting, pets and travel. I live in Phoenix, Arizona (US). Control the fungus by removing all the dead leaves that the fungus can flourish in. For additional lawn care service tips and questions, call at (602) 944-0421. Promptly dispose of the bags. Damaged branches with borer infestation need to be promptly removed from the tree. Airflow can prevent fungal infections in the tree. If you’re looking for the best stock of Ash Trees in the valley A&P Nursery can help! Even with removal of the infected branches the outlook for an Arizona ash infected with borers is grim. Not for small residential sites. Height 25 to 30ft. Maintain the Arizona ash tree's health by providing regular water and fertilizer to prevent bor… Remove all leave in the wintertime from the areas around the tree. Growth Habit: Vigorous to 80 feet in height with a 60 feet spread. Learn more about Moon Valley Nurseries trees and best practices for outstanding plant performance. Prune the Arizona ash tree in late February. To prevent this serious condition, early pruning during the tree's first 15 years of life is important. Arizona Ash Tree Information. Learn which plants thrive in your Hardiness Zone with our new interactive map! My native soil is sand. margins, trunk and branches However, according to Arboreal Tree Experts of Mesa, Arizona, "ash trees that are uncared for easily become an eyesore and much more likely to be host to various pests and tree diseases." Unfortunately, the tree is also susceptible to pest borers which further weaken the wood and can cause the tree's untimely death. Follow the directions on the label for the application of both insecticides. Anthracnose will not kill the tree but it causes it to look unsightly. There are more than 65 ash tree species, which can be found on Wikipedia listed in accordance with the region they are located. Follow the directions on the label for application. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. The Arizona ash is highly susceptible to anthracnose, which is a fungal disease that affects the leaves of the tree and causes it to quickly loose foliage. canopies can shade out Bermuda turf grass, Ergo, use as a lawn tree and/or around concrete walks and drives with discretion because of heavy surface roots and dense canopy shade. Disease and pests: None, appears resistant to ash decline. I got past the leaves turning brown but now they are yellowing. Removal of a large amount of unnecessary branches every year will prevent the Arizona ash tree from breaking when fully grown. parks, commercial, large areas and mesic design themes. smooth when young becoming slightly rough with age; medium to medium coarse texture. Pruning: Elevate canopy base, not as susceptible to trunk Leaflets are ovate to lanceolate with serrate, sometimes revolute Foliage/texture: Larger, pinnately compound green leaves, mostly 7, buttress roots of mature specimens of Shamel ash can heave concrete. Fertilize the Arizona ash in the spring, summer and fall using a 12-12-12 fertilizer. Trunk tends to sunburn so painting trunk is suggested. Glossy dark green leaves. Rake all leaves and twigs up under the Arizona ash tree regularly. So impressed over the past year I The tree often thrives in less then ideal situations such as drought, urban pollution and poor draining soil. Remove all branches that cross each other. Cut the branches that are growing back towards the center of the tree. I have three Shamel Ashes in my yard, all planted at roughly the same time and all irrigated in the same way. Before planting a new ash tree, be sure your yard is big enough for such a large tree. Asked June 9, 2015, 6:22 PM EDT.