Pinguicula filifolia

Thread-leaved butterwort

A Cuban butterwort with thread-like, upright leaves, found only in lowland white-sand savannas and near swamps and coasts from Pinar del Río to Isla de la Juventud. It grows in wet ground during the rainy season and survives a dry winter. It needs heat, strong light and a wet-summer, drier-winter cycle, and is not an easy plant.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

It grows in wet, open white-sand savannas near swamps and the coast. The upright, linear leaves keep the plant from rotting and help it reach light when the ground floods.

It is confined to the lowlands. The GBIF records do not carry elevations.

Cuba

🔒 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.