Ash Tree Average Growth Rate Trees of the Ash species are classified as moderately fast growing due to their ability to grow between 18 and 25 feet in a single decade. Its the centerpiece of the property, so it would be a disaster if it dies.I am in S. Texas. Medium growth rate. Its really been on-going for several years. Possibility of surface roots. This tree is deciduous so that it can let the warmth of the sun in during winter and cast plenty of shade when the temperatures start to heat up in the summer! Order yours today! Modesto Ash tree is a selection of the native Arizona Ash. Modesto Ash is a selection of the native Arizona Ash that tends to be more compact and narrow than its parent. The only difference is that this variety is a bit more compact and narrow than its parent. Because they are grown from cuttings rather than by seed, these all-male trees reliably form a symmetrical canopy without developing the messy seed pods that are produced by female specimens. Over the years, the tree has fallen into disfavor - it has a busy root system that breaks sidewalks and driveways, and it is not, as previously thought, impervious to pests and diseases. Medium growth rate with a dense rounded form. Fraxinus velutina, the velvet ash, Arizona ash or Modesto ash, is a species of Fraxinus native to southwestern North America, in the United States from southern California east to Texas, and in Mexico from northern Baja California east to Coahuila and Nuevo León. Since this tree is usually grown from cuttings rather than by seed, it usually develops a symmetrical canopy without the messy seed pods that female specimens produce. We are having severe drought. … Modesto Ash Tree – Detailed Guide Read More » It is a clean shade tree that is easy to grow and love. Bark is gray and furrowed. Originated in Modesto, California. Plant at least 20 feet away from foundations or walkways. Modesto Ash, Fraxinus velutina 'Modesto,' can grow to be a majestic shade tree with glossy green leaves turning to a bright golden yellow in the fall that can light up any landscape! The common ash tree which is native to Northern Europe usually live no longer than 250 years with full maturity achieved after around 100 years. How to Use Modesto Ash in the Landscape. Foliage is medium green and glossy, turning bright yellow in autumn. Leaves are pinnately compound, elliptic to lanceolate, 3" to 6" long. Its very old, around 50 ft. tall. Modesto Ash is a wonderful shade tree for the hot, arid climates and high pH soil found in the Southwest and California. Modesto also has its own tree, the Modesto Ash, a variant of the Arizona Ash, acclimated to the weather, it was, for many years, the tree of choice to line streets and grace the yards in Modesto.