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Sonorian Rainbow Cactus

Sonorian Rainbow Cactus


Succulentopedia

Echinocereus rigidissimus (Arizona Rainbow Cactus)

Echinocereus rigidissimus (Arizona Rainbow Cactus) is a beautiful, usually solitary cactus, up to 12 inches (30 cm) tall and up to 4.4…


Echinocereus Species, Arizona Rainbow Hedgehog, Sonoran Rainbow Cactus

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Echinocereus (ek-in-oh-KER-ee-us) (Info)
Species: rigidissimus (rig-id-ISS-ih-mus) (Info)
Synonym:Echinocereus rigidissimus subsp. rigidissimus
Synonym:Cereus pectinatus var. rigidissimus
Synonym:Echinocereus pectinatus var. rigidissimus

Category:

Tropicals and Tender Perennials

Water Requirements:

Drought-tolerant suitable for xeriscaping

Sun Exposure:

Foliage:

Foliage Color:

Height:

Spacing:

Hardiness:

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)

Where to Grow:

Can be grown as an annual

Suitable for growing in containers

Danger:

Plant has spines or sharp edges use extreme caution when handling

Bloom Color:

Bloom Characteristics:

Bloom Size:

Bloom Time:

Other details:

Soil pH requirements:

Patent Information:

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Allow cut surface to callous over before planting

From seed direct sow after last frost

Seed Collecting:

Allow unblemished fruit to ripen clean and dry seeds

Unblemished fruit must be significantly overripe before harvesting seed clean and dry seeds

Regional

This plant is said to grow outdoors in the following regions:

Hereford, Arizona(2 reports)

Gardeners' Notes:

On Apr 23, 2005, Xenomorf from Phoenix, AZ (Zone 9b) wrote:

The subspecies 'rigidissumus' has stems that reach over 4 inches thick with 15-23 radial spines per areole.
The subspecies 'rubispinus' has stems that only get about 2 1/2 inches thick with 30-35 radial spines per areole. The spines are also more Ruby/pinkish colored compared to the 'rigidissimus' subspecies.
The flowers on both are bright pinkish-red or magenta or red with white throats.

I've seen these growing in the wild on the West Ruby Road Trail in Arizona (South of Tucson), off of Interstate 19 through to Ruby, AZ and on to Arivaca, AZ.


Sonoran Rainbow Cactus/10 mL stock

Harmonizing Qualities

  • BEING the joy and fun that life is
  • emotionally soothing and calming
  • letting go or giving up emotions to the heart for transmutation
  • helps us adjust to a greater intensity of energies
  • knowing that there is perfection in every moment and living that reality

Patterns of Imbalance

  • taking life too seriously, not having fun
  • too much control by the head
  • an underlying sense of expecting things to go wrong
  • planning for what might go wrong in the future

How to use and related questions

Keywords

Sonoran Rainbow Cactus is related to the following keywords:

Articles

Sonoran Rainbow Cactus is mentioned in the following core-issue articles:

Flower Essences for Adolescents expect things to go wrong The Core Issue: Agitation planning for what might go wrong in the future The Core Issue: Enhancing Attention and Focus worry, especially about what might go wrong, keeps you from concentration Using Flower Essences with Children expect things to go wrong The Core Issue: Emotional/Mental Self-Care For those who expect things to go wrong and invest brain-power in planing for difficulties that might happen in the future The Core Issue: Play taking life too seriously, not having fun overly focused with your mind, even focused on planning for what might go wrong in the future The Core Issue: Seriousness planning for what might go wrong in the future The Core Issue: Recovery from Traumatic Experiences anxiousness accompanied by thoughts of impending challenges and difficulties (use together with Crisis - Desert Emergency Formula) expecting things to go wrong and be difficult

Sonoran Rainbow Cactus is part of the following series or practitioner kits:

This kit is a set of 30 selected Desert Alchemy® flower essences that form an integral part of the healing program pioneered by Richard Utt, founder of the original Institute of Applied Physiology in Tucson, Arizona.

This kit contains our full line of 119 individual flower essences, all of which are described in depth in The Alchemy of the Desert – Fourth Edition.

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Cold-Hardy Cacti In Their Native Habitat

Cacti are found as native plants only in the Western hemisphere. Occurring throughout North and South America, the greatest concentration of species is found in Mexico northward into Arizona, New Mexico, and West Texas. Although we think of cacti as being strictly low desert plants many species are found in some very cold, harsh environments. The habitats of most cold-hardy cacti are concentrated in the mountains of northern Mexico and the western United States. Additional cold-hardy species are also found in the mountains of southern-most Argentina and Patagonia. In the United States, several genera are native to the western Great Plains ranging from Oklahoma northward into Montana and the Dakotas. One species of Escobaria (also called Spiny Star Cactus) can even be found venturing into the southern edge of central Canada! The vast intermountain region is also home to numerous species. Many are found in both the mountains and the high, cold desert plateaus of this area.

As more and more gardeners experiment with the various cold-hardy species, we can look to plant them more widely and expand their usefulness as garden plants into a much larger portion of the United States.

The Chihuahuan desert in West Texas and southern New Mexico is also home to a treasure-trove of fascinating cold-hardy cacti. It is interesting that the cold hardiness of many species from West Texas and the Southwest exceed what we would expect. It seems that many of them retain their genetic cold hardiness from many thousands of years ago when those regions were much colder.

There are over 100 genera of cacti. But the majority of cold-hardy species are concentrated in a dozen or so. For the purposes of this article, I have defined “cold-hardy” as cold tolerance to temperatures of 0°F or lower. The most cold-hardy include Great Plains natives like Escobaria, the wide-ranging Opuntia, and mountain dwellers, such as Echinocereus and Pediocactus, which can withstand winters lows of -30°F and colder.


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