Fishhook Cactus. Mammillaria grahamii, Cactus family ( Cactaceae ), Fishhook Cactus. The Fishhook Cactus is also called Pincushion, Corkseed, Nipple, Graham's Nipple Cactus, Fishhook Mammilaria, grahamii f. cristate. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Microcarpa is thought to be a variety or sub - species of grahamii. The Mammillaria genus is in a state of confusion among scientists. Thus, there are many species and sub species names, subject to change. Quick Notes: Height: Up To About 6" Tall. Flowers: Pink to lavender, about 1" wide; bloom April to August. Blossoms last for about five days. Flowering Time: April - August. Fruit: Red club shaped fruit about 1" long. Jointed Stalks: The joints are narrow (4 - 12 inches long and about 3/4 inch thick). The spines are relatively sparse. Thorns: Gray, dense in clusters. They are curved like a fish hook. Found: Throughout Arizona. Normally at well drained deserts and slopes. There are 10 species of Mammilaria in Arizona. Hardiness: 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 - 4500 Feet. Habitat: Desert well drained slopes and flats, rocky bajadas. Usually under the shade protection of another plant, such as a bush. Miscellaneous: Flowering Photos Taken In Phoenix, May 3, 2005. This plant may be considered a protected species; check before digging or gathering seeds.

We Are Proud Of Our SafeSurf Rating!