Echinocereus rigidissimus, commonly known as the Arizona rainbow cactus, is a species native to the southwestern United States and northern Mexico. This slow-growing cactus typically reaches heights of 6 to 12 inches and widths of 4 to 6 inches. Its cylindrical stems are adorned with spines and produce vibrant pink or magenta flowers in the spring or early summer. These blossoms are followed by small, edible fruits that turn red or yellow when ripe.
Echinocereus rigidissimus thrives in well-draining soil and full sun but can tolerate some shade. It is drought-tolerant yet benefits from occasional watering during the growing season to encourage flowering. This cactus can be propagated from either seeds or stem cuttings.
Besides its ornamental appeal, Echinocereus rigidissimus has been used by indigenous peoples for medicinal purposes, such as treating wounds and digestive issues. However, it is important to note that ingesting any part of this plant can cause gastrointestinal distress in both humans and animals.
Overall, Echinocereus rigidissimus is a striking and low-maintenance addition to any desert garden.
Botanical profile.
- Plant Type
- Succulent
- Life Cycle
- Perennial
- Genus
- Echinocereus
- Family
- Cactaceae
- Hardiness Zone
- 9-11
- Mature Height
- 30 cm to 46 cm
- Mature Spread
- 11 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Evergreen
- Flower Color
- White, Purple, Red
- Flower Size
- 6.35 cm to 8.89 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring, Summer
- Harvest Time
- Early summer, Mid summer
- Native Area
- North America, Central America
Other names.
