Echinocereus fendleri

Fendler's hedgehog cactus, a small, often solitary cactus of dry rocky slopes from Utah and Colorado to northern Mexico, with large magenta flowers in spring. It is cold hardy when dry and needs a cold, dry winter to flower well.

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

Dry rocky slopes and limestone ground in semidesert grassland, chaparral and pine-oak or juniper woodland.

Grows at 900–2,400 m; records 645–2,280 m, median 1,587 m.

New MexicoArizonaTexasColoradoUtahChihuahuaSonora

🔒 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

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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.