Cattleya dayana

A natural hybrid of Cattleya forbesii and C. guttata from southeastern Brazil, described by Rolfe in 1902. Both parents are bifoliate epiphytes of warm Atlantic forest and coastal lowlands, so it grows as an intermediate-to-warm, bright-light cattleya with a drier winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

An epiphyte where its parents overlap in the Atlantic forest of southeastern Brazil; both parents grow on trees in fairly open, humid forest near the coast.

Not known from records; the single measured site is a regional point at 582 m, not a collection locality.

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.