The Modesto Ash, also known as Fraxinus velutina 'Modesto', is a medium-sized deciduous tree that is native to the southwestern United States. It is a popular choice for landscaping and urban planting due to its attractive appearance, fast growth rate, and tolerance to drought and poor soil conditions.

The Modesto Ash can grow up to 50-60 feet tall and 30-40 feet wide, with a broad, rounded crown and a straight trunk. Its leaves are compound, with 5-9 leaflets that are dark green in color and velvety to the touch. In the fall, the leaves turn a golden yellow color before dropping.

This tree produces small, inconspicuous flowers in the spring, followed by clusters of winged seeds in the fall. The bark of the Modesto Ash is light gray and smooth when young, but becomes furrowed and scaly as the tree matures.

The Modesto Ash is a hardy and adaptable tree that can grow in a variety of soil types and climates, including hot and dry environments. It prefers full sun but can also tolerate partial shade. It is relatively low-maintenance and does not require frequent watering or fertilization.

In summary, the Modesto Ash is a medium-sized deciduous tree that is prized for its attractive appearance, fast growth rate, and tolerance to drought and poor soil conditions. Its compound leaves, golden fall color, and hardiness make it a popular choice for landscaping and urban planting. It is a low-maintenance tree that is easy to grow and well-suited for use in a variety of climates and soil types.