Cattleya isaacii

Cattleya ×isaacii is a natural hybrid from southeastern Brazil, first named by Rolfe as ×Laeliocattleya isaacii. Its later placements in ×Sophrocattleya and ×Hadrocattleya show that one parent is a small Hadrolaelia-type Cattleya (the former Sophronitis/Laelia pumila group) and the other a larger Cattleya. It has barely been documented in the wild.

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

There are no field records. Both parent groups are epiphytes of humid Atlantic Forest, so this hybrid is assumed to grow on trees there too.

No elevation is recorded. The Hadrolaelia-group parents mostly grow in montane forest from about 500 to 1,500 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.