Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus)
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) with pink spines and soft white fluffy flower top
Botanical names: Echinocereus rigidissimus, Cereus pectinatus var. rigidissimus, Echinocereus pectinatus var. rigidissimus
Common names: Arizona Rainbow Hedgehog Cactus, Cabeza de Viejo
Family: Cactaceae
Origin: Southeastern Arizona, Mexico
USDA Plant Hardiness Zone Map
USDA Zone: 9-11
Plant form: Small
Mature height: 2-5 ft
Sun exposure: Full sun or bright light indoor; semi-shade
Cold tolerance: Frost sensitive. Protect from freezing.
Watering: Moderate; tolerates dry conditions
Flower color: Pink; red, crimson, vinous
Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Thorns: Thorny or spinyIntense pink flowers with much lighter throat, 2.4 to 2.8 inches long (6-7 cm), up to 3.6 inches in diameter (9 cm).
Similar plants: Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus)
- Echinocereus sp. (Hedgehog Cactus)
- Cereus repandus ''Petra'' (Petra Monstrose Apple Cactus)
- Cereus repandus (Night Blooming Cereus)
- Echinopsis candicans (Argentine Giant)
- Harrisia bonplandii (Applecactus)
- Pachycereus weberi (Candelabro)
- Selenicereus pteranthus (Princess of the Night)
- Selenicereus wercklei (Queen of the Night)
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) stands upright, displaying a columnar shape within a pot.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) cylinder body covered in dense pink needles with soft flowers
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) spherical body with dense radial spines.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) pink flower attached to the rounded succulent cactus body.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) pink flower opening atop a small cactus in a pot.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) stem with rows of dense pink spines and ribs
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) growing as distinct rounded clusters within rocky terracotta soil
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) pink flower opening from the tall cactus column
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) pink flower with a circular center area visible.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) pink flower growing from the top of the stem.
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) cylinders with distinct white spines and pink tops
Echinocereus rigidissimus (Arizona Rainbow Hedgehog Cactus) cylinders with magenta spines on top segments.
Link to this plant:
https://toptropicals.com/catalog/uid/echinocereus_rigidissimus.htm