North America Native Plant

Blue Diamond Cholla

Botanical name: Cylindropuntia ×multigeniculata

USDA symbol: CYMU11

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Opuntia ×multigeniculata Clokey (pro sp.) (OPMU3)  âš˜  Opuntia whipplei Engelm. & J.M. Bigelow var. multigeniculata (Clokey) L.D. Benson (OPWHM)   

Blue Diamond Cholla: A Striking Native Cactus for Desert Gardens If you’re looking to add some serious desert drama to your landscape, the Blue Diamond cholla might just be your new best friend. This distinctive native cactus brings both beauty and resilience to southwestern gardens, though it’s definitely not a ...

Rare plant alert!

Region: Conservation status by state

Status: S4?T2Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Blue Diamond Cholla: A Striking Native Cactus for Desert Gardens

If you’re looking to add some serious desert drama to your landscape, the Blue Diamond cholla might just be your new best friend. This distinctive native cactus brings both beauty and resilience to southwestern gardens, though it’s definitely not a plant for the faint of heart—or bare hands!

What Makes Blue Diamond Cholla Special

Blue Diamond cholla (Cylindropuntia ×multigeniculata) is a native perennial shrub that calls the American Southwest home. This multi-stemmed woody plant typically reaches 4-5 meters (13-16 feet) in height, creating an impressive presence in any desert landscape. You might also see it listed under its scientific synonyms, including Opuntia ×multigeniculata or Opuntia whipplei var. multigeniculata in older gardening references.

Where Does It Grow Naturally

This remarkable cactus is native to three southwestern states: Arizona, Nevada, and Utah. It thrives in the harsh desert conditions of these regions, making it perfectly adapted to hot, dry climates and poor soils that would challenge many other plants.

Why Consider Blue Diamond Cholla for Your Garden

There are several compelling reasons to include this native beauty in your landscape:

  • Drought Champion: Once established, it requires virtually no supplemental watering
  • Low Maintenance: Thrives on neglect and poor soils
  • Pollinator Magnet: Yellow spring flowers attract native bees and desert pollinators
  • Architectural Interest: Distinctive segmented stems create striking visual appeal year-round
  • Native Wildlife Support: Provides habitat and food sources for desert animals

Important Conservation Considerations

Blue Diamond cholla has a Global Conservation Status of S4?T2Q, which indicates some uncertainty about its conservation status. While not critically endangered, this suggests we should be mindful about sourcing. If you decide to grow this plant, make sure to purchase from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Growing Conditions and Care

This desert native is surprisingly easy to grow if you can provide the right conditions:

  • Sunlight: Full sun is essential—at least 6-8 hours daily
  • Soil: Well-draining soil is crucial; sandy or rocky soils work perfectly
  • Water: Minimal water once established; overwatering is the quickest way to kill it
  • USDA Zones: Hardy in zones 8-10
  • Spacing: Give it plenty of room to spread—this shrub can get quite large

Perfect Garden Settings

Blue Diamond cholla shines in:

  • Desert and xeriscape gardens
  • Rock gardens and succulent displays
  • Native plant landscapes
  • Low-water Mediterranean-style gardens
  • Contemporary landscape designs where architectural plants are featured

Planting and Care Tips

Planting: Plant in fall or early spring when temperatures are moderate. Dig a hole twice as wide as the root ball but no deeper—these cacti prefer to sit slightly high rather than too deep.

Watering: Water deeply but infrequently during the first year to establish roots, then reduce to occasional deep watering during extreme drought.

Pruning: Minimal pruning needed, but if you must remove segments, wear thick gloves and use long-handled tools. The spines are no joke!

Winter Care: In marginal zones, protect from hard freezes with frost cloth.

A Word of Caution

Before you rush out to plant Blue Diamond cholla, consider your household situation carefully. This plant has formidable spines that can cause serious injury. It’s not suitable for gardens where children play frequently or along walkways where people might accidentally brush against it. However, in the right location, it’s an absolutely stunning addition to a native plant collection.

The Bottom Line

Blue Diamond cholla is a fantastic choice for gardeners in appropriate climates who want a striking, low-maintenance native plant that supports local ecosystems. Just remember to source it responsibly, give it the hot, dry conditions it craves, and respect those spines! With minimal care, this desert beauty will reward you with years of architectural interest and spring blooms that bring the desert to life.

Blue Diamond Cholla

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Cactaceae Juss. - Cactus family

Genus

Cylindropuntia (Engelm.) Kreuzinger - cholla

Species

Cylindropuntia ×multigeniculata (Clokey) Backeb. (pro sp.) [echinocarpa × whipplei] - Blue Diamond cholla

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA