North America Native Plant

Davis’ Hedgehog Cactus

Botanical name: Echinocereus viridiflorus var. davisii

USDA symbol: ECVID

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Echinocereus davisii A.D. Houghton (ECDA2)  âš˜  Echinocereus viridiflorus Engelm. ssp. davisii (A.D. Houghton) N.P. Taylor (ECVID2)   

Davis’ Hedgehog Cactus: A Rare Texas Treasure Worth Protecting Meet one of Texas’s most endangered botanical gems – Davis’ hedgehog cactus (Echinocereus viridiflorus var. davisii). This tiny but mighty cactus might just be the rarest plant you’ve never heard of, and there’s a compelling story behind why every native plant ...

Rare plant alert!

Region: United States

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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. ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Davis’ Hedgehog Cactus: A Rare Texas Treasure Worth Protecting

Meet one of Texas’s most endangered botanical gems – Davis’ hedgehog cactus (Echinocereus viridiflorus var. davisii). This tiny but mighty cactus might just be the rarest plant you’ve never heard of, and there’s a compelling story behind why every native plant enthusiast should know about it.

What Makes Davis’ Hedgehog Cactus Special?

Don’t let its small stature fool you – this perennial cactus packs a serious visual punch. Davis’ hedgehog cactus forms compact, solitary stems that stay refreshingly manageable in size. When spring arrives, it produces stunning magenta-pink flowers that seem almost too large and vibrant for such a modest plant. It’s like nature decided to create a living jewel and tucked it away in the Texas desert.

You might also see this species listed under its botanical synonyms Echinocereus davisii or Echinocereus viridiflorus ssp. davisii, but they’re all referring to the same remarkable little cactus.

Where Does It Come From?

Here’s where things get really interesting (and a bit concerning). Davis’ hedgehog cactus is native to an incredibly tiny area – we’re talking about just the Glass Mountains region of Brewster County in West Texas. That’s it. This entire species exists naturally in one small corner of our vast continent, making it one of the most geographically restricted cacti in North America.

The Rarity Reality Check

Let’s address the elephant in the room – or should I say, the cactus in the desert. Davis’ hedgehog cactus carries an Endangered conservation status, which means this little guy is in serious trouble in the wild. Its extremely limited natural range makes it incredibly vulnerable to habitat loss, climate change, and overcollection.

If you’re considering adding this species to your collection, here’s the crucial part: only obtain plants from reputable, licensed nurseries that can verify their plants were legally propagated, not collected from the wild. Never, ever collect this species from its natural habitat – it’s not just ethically wrong, it’s likely illegal and contributes to pushing this rare plant closer to extinction.

Growing Davis’ Hedgehog Cactus: Is It Right for Your Garden?

If you can source this cactus responsibly, it can make an extraordinary addition to the right garden setting. Here’s what you need to know:

Perfect Garden Settings

  • Rock gardens with excellent drainage
  • Container gardens (actually preferred for better control)
  • Specialized cactus and succulent collections
  • Desert-themed landscapes in appropriate climates

Growing Conditions and Care

Think West Texas desert and you’ll get the right idea:

  • Sunlight: Full sun exposure – these plants love intense light
  • Soil: Extremely well-draining soil is non-negotiable; consider adding pumice or coarse sand
  • Water: Minimal watering – let the soil dry completely between waterings
  • Climate: Suited for USDA hardiness zones 8-10
  • Winter care: Protect from excess moisture during dormant season

Pollinator and Wildlife Benefits

Those gorgeous spring flowers aren’t just for show – they attract bees and other small pollinators, making this rare cactus a valuable contributor to local ecosystems when grown responsibly in appropriate regions.

The Bottom Line

Davis’ hedgehog cactus represents both the wonder and fragility of our native plant heritage. While it can be a spectacular addition to the right garden, growing it comes with serious responsibility. Only consider this species if you can source it ethically and provide the specialized care it needs.

For most gardeners interested in supporting native plants, consider exploring other native cacti species that aren’t endangered but still provide similar aesthetic appeal and ecological benefits. Your local native plant society can help you discover wonderful alternatives that won’t contribute to conservation concerns.

Remember: every plant in our gardens is a choice. When it comes to rare species like Davis’ hedgehog cactus, let’s make sure our choices help preserve these botanical treasures for future generations to appreciate.

Davis’ Hedgehog Cactus

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

Echinocereus Engelm. - hedgehog cactus

Species

Echinocereus viridiflorus Engelm. - nylon hedgehog cactus

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