Description Light/Soil/Water Hardiness Echinocereus is a species of hedgehog cactus up to 14 inches (35 cm) tall. It commonly remains single but old plants, sometime branch and form a a loosely clumped cluster. The stem is usually solitary, globose to cylindrical up to 5 inches (13 cm) in diameter almost hidden by the short interlocking spines. The spines are yellow, pinkish or brownish. The flowers are funnel-shaped, borne on the sides of the stems, diurnal, intense pink (but also magenta, lavender or yellow to near-whitish) with a white-greenish base, up to 3 inches (8 cm) long and in diameter. All of the plants may be shipped bare root. Bright light, but needs light shade during the hottest months of summer. Water moderately in the summer but keep the cactus completely dry in the winter when temperatures are from 40 to 60 degrees. Porous, well-drained, do not let the cactus sit in soggy soil for more than a day or two. During the summer growing season. 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)
