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Glendale Public Library
Xeriscape Demonstration Garden Information Sheet


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Ruellia peninsularis-Desert Ruellia

Desert Ruellia
is frequently planted along streetscapes and freeways, I think its beauty is best appreciated up-close and personal. The deep blue flowers and interesting white-grey stems are difficult to appreciate at 50 miles an hour! This evergreen shrub has a naturally rounded form, growing quickly to 4 to 5 feet tall and wide. Its small, glossy green leaves provide a wonderful backdrop for the one-inch-wide blue flowers. The peak bloom period occurs in the spring and early summer, but sporadic flowering can continue throughout the year. If planted in a frost-protected area, Desert ruellia requires almost no maintenance. However, temperatures in mid-20's F will cause damage, requiring some pruning in the early spring. Plant Desert ruellia in full sun to maintain a dense form. USDA Zone 9.


Webmaster & Author George Hull Last Updated August 13, 2003