Cryptocoryne vietnamensis

A little-documented amphibious Cryptocoryne known only from a few sites in central Vietnam, growing on shaded stream banks that flood heavily in the October–November monsoon. Grow it like other mainland Southeast Asian crypts: warm, shaded, constantly wet, either emersed in a humid tank or submersed.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodAquatic

Where it grows wild

Known from three records in central Vietnam (Thua Thien–Hue and Quang Nam area). Like its relatives it presumably roots in silty or sandy banks of forest streams, emersed in the dry months and submerged during monsoon floods; habitat detail is inferred from the genus.

Recorded sites sit at about 150 and 500 m.

Vietnam

🔒 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.