Monstera alfaroi

A large Costa Rican Monstera from mid-elevation premontane rainforest on the Pacific side of the Talamanca range and Fila Costeña. Mature leaves are big ovate blades up to about 90 cm long with only a few round holes near the midrib, carried on light brown petioles with dark or white warts. Grow it as a warm-to-intermediate climber with a tall moss pole, bright shade and steady humidity.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodClimber

Where it grows wild

Wet premontane forest and forest margins, where it climbs trunks as a hemiepiphyte. Herbarium labels mention forest remnants and forest edges along pasture. Flowering has been recorded in November and fruiting in January.

Wikipedia gives 1,100–1,250 m; GBIF herbarium records span 1,100–1,480 m (Fila Costeña, Tarrazú, Las Nubes, La Amistad).

Costa Rica

🔒 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.