North America Native Plant

Kaibab Spinystar

Botanical name: Escobaria vivipara var. kaibabensis

USDA symbol: ESVIK

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Coryphantha vivipara (Nutt.) Britton & Rose var. kaibabensis P.C. Fisch. (COVIK)   

Kaibab Spinystar: A Rare Desert Gem for the Adventurous Gardener Meet the Kaibab spinystar (Escobaria vivipara var. kaibabensis), a captivating little cactus that’s as rare as it is beautiful. This perennial succulent might just be the crown jewel your desert garden has been missing – but there’s more to this ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Kaibab Spinystar: A Rare Desert Gem for the Adventurous Gardener

Meet the Kaibab spinystar (Escobaria vivipara var. kaibabensis), a captivating little cactus that’s as rare as it is beautiful. This perennial succulent might just be the crown jewel your desert garden has been missing – but there’s more to this prickly beauty than meets the eye.

A True Arizona Native with a Special Story

The Kaibab spinystar is a proud native of the lower 48 states, with Arizona being its exclusive home. This remarkable cactus is endemic to the Kaibab Plateau region of northern Arizona, making it a true regional treasure. Its scientific name, Escobaria vivipara var. kaibabensis, pays homage to its unique geographic origins.

You might also encounter this plant listed under its botanical synonym, Coryphantha vivipara var. kaibabensis, in older reference materials – it’s the same wonderful plant, just wearing a different name tag.

What Makes This Cactus Special

Don’t let its small stature fool you – the Kaibab spinystar packs a visual punch. This compact barrel cactus produces stunning pink to magenta flowers that create a striking contrast against its spiny, green body. It’s the kind of plant that makes visitors stop and ask, What is that gorgeous little cactus?

As a perennial, this hardy desert dweller will return year after year, slowly forming small colonies that create an impressive display over time. Its modest size makes it perfect for rock gardens, container plantings, or as a specimen plant in xeriscape designs.

A Word About Rarity

Important note for ethical gardeners: The Kaibab spinystar has a conservation status that indicates it may be uncommon in the wild. If you’re interested in growing this special plant, please ensure you source it only from reputable nurseries that propagate their plants responsibly rather than collecting from wild populations. This helps protect the natural communities where this rare variety thrives.

Perfect for Desert and Xeriscape Gardens

This little cactus is tailor-made for:

  • Rock gardens and succulent collections
  • Xeriscape and drought-tolerant landscapes
  • Container gardens and patio displays
  • Desert-themed garden designs
  • Wildlife-friendly native plant gardens

Growing Conditions: Keep It Simple and Sunny

The Kaibab spinystar thrives in USDA hardiness zones 4-8, making it surprisingly cold-hardy for a desert cactus. Here’s what this low-maintenance beauty needs to flourish:

  • Sunlight: Full sun exposure for best growth and flowering
  • Soil: Excellent drainage is absolutely critical – think rocky, sandy, or gravelly soils
  • Water: Minimal irrigation once established; loves dry conditions
  • Soil pH: Prefers alkaline soils, typical of its native habitat

Planting and Care Tips

Success with the Kaibab spinystar comes down to mimicking its natural desert environment:

  • Plant in spring after the last frost for best establishment
  • Ensure drainage by adding coarse sand, gravel, or pumice to heavy soils
  • Water sparingly – overwatering is the quickest way to lose this plant
  • Skip the fertilizer – these tough plants prefer lean, nutrient-poor soils
  • Protect from excessive winter moisture in humid climates

Wildlife and Pollinator Benefits

Those cheerful pink flowers aren’t just for show – they’re magnets for native desert pollinators, including specialized desert bees and other beneficial insects. By growing native cacti like the Kaibab spinystar, you’re supporting local ecosystems and providing valuable resources for wildlife.

Is the Kaibab Spinystar Right for Your Garden?

This remarkable little cactus is perfect if you:

  • Love unique, conversation-starting plants
  • Want to support native plant conservation
  • Prefer low-maintenance, drought-tolerant gardening
  • Appreciate the beauty of desert landscapes
  • Have excellent drainage in your garden

However, it might not be the best choice if you have heavy clay soils, prefer high-water gardens, or live in areas with excessive humidity and poor air circulation.

The Kaibab spinystar proves that good things really do come in small, spiny packages. With responsible sourcing and proper care, this rare desert gem can bring a piece of Arizona’s unique landscape right to your garden – while helping preserve a special piece of our native plant heritage.

Kaibab Spinystar

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

Escobaria Britton & Rose - foxtail cactus

Species

Escobaria vivipara (Nutt.) Buxbaum - spinystar

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