Utricularia phusoidaoensis

Utricularia phusoidaoensis is a small terrestrial-lithophytic bladderwort known only from wet cliffs at about 2,000 m on Phu Soi Dao in northern Thailand. It has kidney-shaped leaves, purple flowers and unusual traps with appendages shaped like staghorn antlers. It was described in 2010, and nothing about its cultivation has been published, so treat it as a cool, constantly damp highland lithophyte.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It grows on wet cliffs near the summit of Phu Soi Dao, where it grows with U. spinomarginata. Its closest relative, U. garrettii, also grows on moist rocks at about 2,175 m in Thailand.

Around 2,000 m, near the top of Phu Soi Dao, which is much cooler than the surrounding lowlands.

Thailand: Phitsanulok province (Phu Soi Dao)

🔒 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.