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Species library › Echinocereus › Echinocereus websterianus
Succulents Well documented

Echinocereus websterianus

Webster's hedgehog cactus, a clumping, densely spined Echinocereus from San Pedro Nolasco and nearby islands in the Gulf of California. It needs strong sun, heat, sharp drainage and a cool, dry, bright winter to flower.

Echinocereus websterianus
Photo: lejones417, CC BY-SA 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Grows on rocky slopes of desert islands alongside Agave chrysoglossa, Mammillaria multidigitata and Opuntia bravoana.

Up to about 350 m on island slopes.

SonoraMexico Northwest

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

Grow Echinocereus websterianus? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.