Arizona Ash, Velvet Ash

Frost Tolerance: Hardy to -10° F (-23° C)

Heat Tolerance: Excellent

Sun Exposure: Full sun

Origin: Southwestern USA (Arizona, California, Nevada, New Mexico, Texas, Utah) and northern Mexico

Growth Habits: Tree, 30 feet tall (9 m.), 45 to 60 feet in spread (13.5 to 18 m.), pinnate leaves

Watering Needs: Moderate water

Propagation: Seeds

Propagation: Seed or occasionally cutting

• by semi-hardwood secondary cuttings, in spring. Apply IBA TALC 8000 PPM. Use intermittent mist. Root in 6-8 weeks.
• by seeds, in spring. Germinates at 70-85 degrees F. The seeds can be harvested in autumn. The seeds need cold-warm-cold stratification. The usual germination temperature is 70-85 degrees F.

Arizona Ash is a fantastic shade tree for Arizona, it has an enjoyable shape and a (relatively) cool shade in summer. However, It does become big, and if you have an aversion to picking leaves in the fall, it might not be the best tree for you.
The male and female flowers are on different trees. The male flowers drop in the spring in large quantities, that can be composted rapidly. The female drops large quantities of one-winged seeds (samara), providing you with a continuous source of seedlings. If you know which is rare, since the tree for sale are generally seedlings, pick the male tree.