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Glendale Public Library
Xeriscape Demonstration Garden Information Sheet

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Acacia rigidula-Blackbrush Acacia

A slow to moderately fast growing semi-evergreen that may attain small tree status, eventually reaching 12 feet by 12 feet. The small compound leaves are glossy and dark green. The bark is light gray with extremely thorny branches. Yellow fragrant, rod shaped flowers are formed in spring providing quite the show. It is considered tolerant of heat and wind requiring little additional moisture even in the low desert.  Surprisingly, it will grow as a lawn tree.  It is not too picky about soil types but prefers good drainage and full sun..  A native of the Chihuahuan desert of south and east Texas on limestone hills at elevations between 1100 and 1800'.  

Webmaster & Author George Hull Last Updated August 10, 2003