Engelmann's Hedgehog
Echinocereus engelmannii
A compact native hedgehog cactus that erupts with brilliant magenta blooms beloved by bees, butterflies, and hummingbirds.
Very cold hardy, to near 0-10°F, USDA 9-11; equally at home in low and high desert.
AMWUA Notes
Native, water-thrifty hedgehog cactus that needs no supplemental irrigation once established.
Care Guide
Water established clumps only during prolonged drought; they store water and rot easily in wet soil.
None needed; remove any shriveled or rotted stems from the clump.
Not necessary in native desert soil.
Watch for mealybugs deep in the clump; otherwise very tough and pest-resistant.
Fully hardy and heat-adapted, producing a burst of magenta bloom in spring with no special care.
Soil, Feeding & Propagation
Gritty, fast-draining mineral soil or decomposed granite; lean
Needs sharp, fast-draining soil.
None — thrives in lean desert soil without fertilizer.
Division of clump offsets or seed
2 ft
Shallow, non-invasive roots; keep the spiny clump back from paths
Placement Tips
- •Tuck among rocks in a rock or pollinator garden where the low clump will not be brushed against.
- •Keep the spines back from paths.
- •Plant in gritty, fast-draining soil.
- •Combine near larger specimen cacti for scale contrast.
Features
Best Uses
Ecological Value
Attracts
Companion Plants
Quick Stats
Design Styles
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Use this care guide to maintain your Engelmann's Hedgehog. Questions about your landscape? Reach out anytime.
Data from 2024 AMWUA “Landscape Plants for the Arizona Desert” guide.
Engelmann's Hedgehog — common questions
Answers for low-desert Phoenix conditions, drawn from this plant’s growing data.
How much water does Engelmann's Hedgehog need in Phoenix?
Engelmann's Hedgehog is a very low-water cactus once established. Water established clumps only during prolonged drought; they store water and rot easily in wet soil. Native, water-thrifty hedgehog cactus that needs no supplemental irrigation once established.
How big does Engelmann's Hedgehog get?
Expect roughly 1 ft tall and 2 ft wide at maturity, with a slow growth rate. Allow about 2 ft of spacing when planting. Shallow, non-invasive roots; keep the spiny clump back from paths.
Can you plant Engelmann's Hedgehog near a pool?
Not ideally. Engelmann's Hedgehog is not rated pool-friendly, so it is better placed away from the pool deck and skimmer. Litter is rated low.
Can Engelmann's Hedgehog handle Arizona heat and winter frost?
Engelmann's Hedgehog is hardy in USDA 9-11 and wants full sun. Very cold hardy, to near 0-10°F, USDA 9-11; equally at home in low and high desert. Fully hardy and heat-adapted, producing a burst of magenta bloom in spring with no special care.
Does Engelmann's Hedgehog have thorns?
Yes — Engelmann's Hedgehog has large thorns. Site it back from walkways, seating and pool decks where people brush past.
Is Engelmann's Hedgehog safe around pets?
Engelmann's Hedgehog is listed as pet-friendly in this guide. If your dog is a determined chewer, check any new plant with your vet before planting.
When does Engelmann's Hedgehog bloom in Arizona?
Engelmann's Hedgehog blooms in spring, with magenta flowers. The bloom draws bees, butterflies, hummingbirds.
How much maintenance does Engelmann's Hedgehog need?
Engelmann's Hedgehog is low-maintenance. Leaf, flower and pod litter is rated low. None needed; remove any shriveled or rotted stems from the clump.
What kind of soil does Engelmann's Hedgehog need?
Gritty, fast-draining mineral soil or decomposed granite; lean. It needs no supplemental feeding. Not necessary in native desert soil.
Is Engelmann's Hedgehog native to Arizona?
Yes. Engelmann's Hedgehog is native to Arizona and to the Mohave and Sonoran Deserts, so it is adapted to local rainfall, soil and heat.