North America Native Plant

Howe’s Hedgehog Cactus

Botanical name: Echinocereus engelmannii var. howei

USDA symbol: ECENH

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Howe’s Hedgehog Cactus: A Rare Desert Gem Worth Protecting If you’re drawn to unique and rare cacti, you might have stumbled across Howe’s hedgehog cactus (Echinocereus engelmannii var. howei). This fascinating perennial cactus is not your typical garden center find – and there’s a very good reason for that. What ...

Rare plant alert!

Region: Conservation status by state

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. ⚘

Howe’s Hedgehog Cactus: A Rare Desert Gem Worth Protecting

If you’re drawn to unique and rare cacti, you might have stumbled across Howe’s hedgehog cactus (Echinocereus engelmannii var. howei). This fascinating perennial cactus is not your typical garden center find – and there’s a very good reason for that.

What Makes This Cactus Special

Howe’s hedgehog cactus is a variety of the more common Engelmann’s hedgehog cactus, but what sets it apart is its incredible rarity. With a Global Conservation Status of S5T1, this plant is considered extremely rare at the variety level. That means finding one in the wild – or even in cultivation – is like discovering a botanical needle in a haystack.

This multi-stemmed woody cactus typically grows as a shrub, usually staying under 13 to 16 feet in height, though most specimens are much smaller. Like other hedgehog cacti, it produces multiple stems that cluster together, creating an attractive mounding form that adds architectural interest to desert landscapes.

Where It Calls Home

As a native species to the lower 48 states, Howe’s hedgehog cactus has a very limited natural range, growing only in California and Nevada. This restricted distribution contributes to its rarity and makes it a true regional specialty.

Should You Grow Howe’s Hedgehog Cactus?

Here’s where things get a bit complicated. While this rare cactus would certainly be a conversation starter in any desert garden, its extreme rarity means you need to be extra thoughtful about how you approach growing it.

The Conservation Concern: With such a rare conservation status, it’s crucial that any plant material comes from responsible, ethical sources. Never collect from the wild, and only purchase from reputable nurseries that can verify their plants were propagated legally and sustainably.

Why Consider It: If you can source it responsibly, this cactus offers:

  • Unique bragging rights as a rare native species
  • Low-maintenance desert gardening
  • Architectural form that complements xeriscaping
  • Native plant benefits for local ecosystems

Growing Conditions and Care

Like most desert cacti, Howe’s hedgehog cactus thrives in conditions that mimic its native habitat:

  • Sunlight: Full sun exposure
  • Soil: Well-draining, sandy or rocky soil
  • Water: Minimal watering; drought-tolerant once established
  • Climate: Suitable for arid and semi-arid regions

This perennial cactus is built for the long haul, potentially living for decades with proper care. The key is avoiding overwatering, which is the quickest way to kill most desert cacti.

Garden Design Ideas

If you’re lucky enough to acquire this rare beauty, consider these placement ideas:

  • Feature it as a specimen plant in a dedicated cactus garden
  • Include it in xeriscaping projects focused on water conservation
  • Use it as an architectural element in modern, minimalist landscapes
  • Pair it with other native desert plants for an authentic ecosystem approach

The Bottom Line

Howe’s hedgehog cactus represents both an exciting opportunity and a responsibility. While it could be a stunning addition to the right garden, its rarity means every decision about growing it should prioritize conservation. If you can’t find ethically sourced plants, consider growing the more common Engelmann’s hedgehog cactus instead – you’ll get similar aesthetic benefits while supporting conservation efforts.

Remember, sometimes the best way to appreciate a rare plant is to support its conservation in the wild rather than trying to grow it at home. But if you do choose to grow Howe’s hedgehog cactus, you’ll be participating in the important work of preserving genetic diversity through cultivation.

Howe’s 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 engelmannii (Parry ex Engelm.) Lem. - Engelmann's 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