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Glendale Public Library
Xeriscape Demonstration Garden Information Sheet

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Prosopis pubescens-Screwbean Mesquite

     This southwest native has fuzzy yellow 2" long flower spikes from April to June. A deciduous tree, it has medium green fernlike foliage.  It differs from Prosopis glandulosa with smaller spines and leaves, leaves 5-8 pairs not 10 or more, twigs gray not red, and the bean forming distinctive tight coils.  It grows best in deep well-drained soil in full sun.  It will accept ample water but is considered very drought tolerant. It often forms a multi-trunked tree or large shrub with shaggy bark on older specimens. Mistletoe and scale may pose a problem but rarely endangers the tree.  Hardy to 0 F.  USDA Zone 7.  

Webmaster & Author George Hull Last Updated August 13, 2003