Ferocactus glaucescens

The glaucous barrel cactus: a blue-green, waxy barrel to about 45 cm tall with yellow spines and yellow flowers, from limestone hills of central Mexico. One of the easiest Ferocactus, it needs full sun, summer water and a dry, cool winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets 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

Limestone hills and dry scrub forest, growing in open, rocky ground in full sun.

Recorded 1,027 to 2,209 m, median 1,446 m; literature gives 550 to 2,300 m.

HidalgoQuerétaroSan Luis PotosíGuanajuato

🔒 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.