Coulter's Lupine. Lupinus sparsiflorus, Papilionaceae Family also the Bean Family ( Fabaceae ) and Pea Family (Leguminosae), Coulter's Lupine. Also called Mojave Lupine. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. An annual herb. One of the most conspicuous of the spring flowers in a mass bloom, along with poppies and owlclover. Coulter's Lupine is able to fix nitrogen from the air into the soil, enabling the plant to survive in very poor soils. Quick Notes: Height: About 16 inches. Spreading out to about 12 inches wide. Flowers: Blue - violet color, The upper petal ( banner ) has a yellow spot which changes to red after pollination. The two bottom petals ( keel ) are short, wide, hairy on the bottom edge and they curve upward to a slender tip. Flowering Time: March to May. Leaves: Leaves are palmately compound, with 5 - 9 leaflets, each up to 1 1/2 inches long, green. Found: Native to California, Nevada, Arizona and Utah, and in Mexico it is found in Baja California and Sonora. 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) USDA Zone 11: above 4.5 �C (40 �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: 0 - 4,500 Feet. Habitat: On roadsides, flats, rocky hillsides. Miscellaneous: Flowering Photos Taken March 10, 2005 near Bartlett Lake. Arizona.

Click On Any Of The Following Links By Amazon.Com
For Books, & Videos About Wildflowers Of Arizona & The Southwest USA. No Obligation!