Arthrocereus glaziovii

A small, low-branching columnar cactus restricted to the ironstone outcrops of the Quadrilátero Ferrífero near Belo Horizonte, Brazil, with large white night-opening flowers. It is threatened by mining and grows on hot, exposed rock with a wet summer and a dry winter.

At home, aim for

Day Cool-growingTargets 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 on rock (lithophyte)

Where it grows wild

Grows in campo rupestre on iron-rich rock (canga) and quartzite outcrops, rooted in crevices and thin soil among grasses and small shrubs.

Recorded at 700-1,800 m, median about 1,470 m.

Brazil Southeast

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 2.5 licence, unmodified.