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Arid Zone Trees All of our plants meet or exceed the minimum requirements of the American Standard for Nursery Stock (ANSI Z60.1)

Acacia gerrardii

Grey-haired Acacia

Foliage: Deciduous

Mature Height: 30’ - 35’

Mature Width: 20’ - 40’

Growth Rate: Moderate

Hardiness: 18 degrees F

Exposure: Full Sun

Leaf Color: Green

Shade: Dense

Flower Color:  White

Flower Shape: Ball

Flower Season: Spring

Thorns: Yes

Propagation Method: Seed

Sizes Available: #25


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Acacia gerrardii can grow to a mature height of 30' to 35' feet and as wide. In natural setting it is found in arid river valleys or shrubby uplands. Its growth rate and overall appearance is similar to that of Sweet Acacia (Acacia smallii). Like the Sweet Acacia, it also produces a scattered shade but has leaves that are slightly larger. White colored 1/4 to 1/2 inch diameter flowers appear in spring that develop into curved, gray, velvety seed pods. On young trees thorns are numerous, found in pairs and are bright white making them easily visible. These thorns are very superficial and as the branch matures the thorns are sloughed off as layers of papery brown to tan bark peels off. Mature trunks and branches are almost thorn free. The leaf canopy is broad and may be either flat topped or dome shaped. Grey-haired Acacia is temperature deciduous and in colder locations will lose all its leaves in winter. It is hardy to at least 20 degrees F and sustained only minor damage from temperatures as low as 15 F. Its unusual papery bark, ample shade and spring flowers make Acacia gerrardii an excellent tree to mix with more traditional arid landscape species in both formal and more naturalistic desert landscape designs.

Disclaimer: The information provided here was gathered from research literature published by the University of Arizona, other professional Landscape and Horticultural organizations and our experience at Arid Zone Trees. Always consult local landscape experts for recommendation for your specific area.

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