Desert Bluebells. Phacelia campanularia, Hydrophyllaceae Family ( Hydrophyllaceae ), Desert Bluebells. Also called: Desert Bell, California Bluebells. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Phacelia campanularia, is commonly known as California bluebell, desert bluebell, or desertbells, it is an annual, forb/herb, dicot, of the Hydrophyllaceae family; native to the Mojave and Sonoran Deserts, commonly cultivated as an ornamental. Quick Notes: Height: About 1 - 2 feet. Spreading out to about 2 foot wide. Flowers: The leaves are heart-shaped and edged in red. Flowering Time: In Arizona they bloom February to April. Leaves: Short and narrow, spaced closely along the nonflowering stems, giving a whorled appearance. Wax green color. Found: Native to the Mojave and Sonoran Deserts. Hardiness: USDA Zone 7a: to -17.7 �C (0 �F) USDA Zone 7b: to -14.9 �C (5 �F) USDA Zone 8a: to -12.2 �C (10 �F) USDA Zone 8b: to -9.4 �C (15 �F) USDA Zone 9a: to -6.6 �C (20 �F) USDA Zone 9b: to -3.8 �C (25 �F) USDA Zone 10a: to -1.1 �C (30 �F) USDA Zone 10b: to 1.7 �C (35 �F) Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) Sun Exposure: Full Sun Elevation: Can be found from 0 - 6,000 Feet. Habitat: Pinyon-juniper communities up to mountain meadows. Slopes, mesas, and sandy, disturbed rocky soil. Miscellaneous: Flowering Photos May 11, 2003 In Cave Creek, Arizona.

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