North America Non-native Plant

Echinocereus Sciurus

Botanical name: Echinocereus sciurus

USDA symbol: ECSC2

Native status: Not native but doesn't reproduce and persist in the wild

Echinocereus sciurus: A Mystery in the Cactus World If you’ve stumbled upon the name Echinocereus sciurus in your plant research, you might be scratching your head – and for good reason! This particular botanical name presents quite a puzzle in the world of native cacti. The Name Game Challenge Echinocereus ...

Echinocereus sciurus: A Mystery in the Cactus World

If you’ve stumbled upon the name Echinocereus sciurus in your plant research, you might be scratching your head – and for good reason! This particular botanical name presents quite a puzzle in the world of native cacti.

The Name Game Challenge

Echinocereus sciurus appears to be either an extremely rare or potentially invalid species name within the well-known hedgehog cactus genus. While the Echinocereus genus boasts dozens of recognized species across North America, sciurus doesn’t appear in current taxonomic databases as a valid species epithet.

What We Know About the Echinocereus Genus

Even though we can’t pin down specifics about E. sciurus, we can tell you about its genus family! Echinocereus cacti are beloved by gardeners for several reasons:

  • Stunning, colorful flowers that bloom in spring
  • Compact growth habits perfect for rock gardens
  • Exceptional drought tolerance
  • Low maintenance requirements

Geographic Mystery

Without confirmed taxonomic information, we cannot determine the native range or geographic distribution of Echinocereus sciurus specifically.

Should You Try to Grow It?

Here’s our honest advice: if you’re looking for a hedgehog cactus for your garden, stick with well-documented species! There are plenty of verified Echinocereus species that would make fantastic additions to your landscape.

Better Alternatives to Consider

Instead of searching for the elusive E. sciurus, consider these proven native hedgehog cacti:

  • Echinocereus triglochidiatus (Claret Cup Cactus)
  • Echinocereus reichenbachii (Lace Hedgehog Cactus)
  • Echinocereus viridiflorus (Green Pitaya)

General Echinocereus Growing Tips

If you decide to grow any hedgehog cactus, here are some universal care guidelines:

  • Plant in well-draining, sandy or rocky soil
  • Provide full sun exposure
  • Water sparingly, allowing soil to dry completely between waterings
  • Protect from excessive winter moisture
  • Most species are cold-hardy to USDA zones 4-9

The Bottom Line

While Echinocereus sciurus remains a botanical mystery, don’t let that discourage you from exploring the wonderful world of hedgehog cacti! Choose a verified species instead, and you’ll enjoy years of beautiful blooms and easy-care gardening. Sometimes the best garden adventures come from the plants we can actually identify and grow successfully!

Echinocereus Sciurus

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 sciurus (K. Brandegee) Dams [excluded]

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