Cereus gerardi

A recently described columnar Cereus from Tocantins, Brazil. It forms bushy clumps of blue-green, many-ribbed stems up to about 3 m tall, with cream tubular flowers. Little is recorded about its habitat, so care here is based on the cerrado climate of central Tocantins and on related Cereus.

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

Recorded near Pugmil in central Tocantins, an area of cerrado savanna and dry woodland. Its exact microhabitat is not documented. Related Cereus there grow in open, sunny scrub and on rocky outcrops.

Not recorded. The area around Pugmil lies at roughly 200–400 m.

Brazil North

🔒 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 4.0 licence, unmodified.