Cattleya milleri

Cattleya milleri, the former Laelia milleri, is a rupicolous cattleya with brilliant red flowers. It is endemic to the ironstone ridges of the Quadrilátero Ferrífero near Belo Horizonte, where mining has destroyed much of its habitat. It needs near full sun, a sharply draining medium, cool nights and a dry winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It grows on exposed iron-rich rock (canga) and in rock cracks on ridges such as the Serra da Moeda and the Serra do Gandarela, among grasses and low shrubs in full sun and constant wind.

Recorded at about 1400 m (1420 m in the Serra do Gandarela).

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 2.0 licence, unmodified.