Beaver Tail Cactus. Opuntia basilaris, Cactus Family ( Cactaceae ), Beaver Tail Cactus. Also called Beavertail Pricklypear. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Quick Notes: Height: Height to about 3 feet. Spreading to about 6 feet. Flowers: The fuschia flowers are about 3 to 4 inches in diameter. Flowering Time: April to May. Fruit: Green - gray, spineless fruit, 1 to 1-1/2 inches long, 3/4 to 1 inches in diameter dry when ripe. Seeds 3/10 inches in diameter, rounded, smooth, and cream colored. Segments: Green or slighly purple cactus pads 4 to 6 inches long and 2 to 5 inches across, about 5/8 inches thick. They are glabrous or slightly pubescent and have an occasional spine per areole (usually spineless) and have glochids (little barbed bristles organized in clusters) that are white or brown. Found: Native to Southwest USA Northwestern Mexico. Hardiness: 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) USDA Zone 11: above 4.5 �C (40 �F) Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) Sun Exposure: Full Sun Elevation: 0 - 4,800 Feet. Habitat: Gravel or sandy flats, mesas, hillsides. A landscape plant in some places. Miscellaneous: Flowering Photos Taken At Hillside, Arizona. May 17, 2005.

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