Also called Claretcup Hedgehog, Mojave Mound Cactus, Mound Hedgehog Cactus, Rose's Claret Cup Cactus, Rose's Hedgehog, Black Spine Claret Cup Cactus, Claret Cup Cactus
Kingcup cactus (Echinocereus triglochidiatus) is a mounding hedgehog cactus of the southwestern US and northern Mexico, grown for its large scarlet flowers. It needs full sun, very sharp drainage and minimal water.
Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry out fully between waterings, and water little or none in winter.
Soil
Fast-draining cactus or gritty mix.
Temperature
Hardy to about -20 °C when dry; protect from prolonged wet cold.
How easy
Easy
Native range
Colorado to New Mexico and NW. Mexico
Climate
desert or dry shrubland
About
Echinocereus triglochidiatus is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes, scrub, and mountain woodland. E. triglochidiatus is the official state cactus of Colorado.
Where it grows
All the varieties of the E. triglochidiatus can be found in the Southwestern United States. It lives in various upland, mountain, and desert climates throughout Arizona, New Mexico, Colorado, California, Texas and Northern Mexico at elevations between 150 and 3500 meters.
Text excerpted from the Wikipedia article Echinocereus triglochidiatus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.