Cryptocoryne dewitii

A rare Cryptocoryne from lowland Papua New Guinea near the Fly River headwaters, described in 1977 from herbarium material and seldom seen in cultivation. Grow it like other tropical stream Cryptocoryne: warm, shaded, and either submerged in soft water or emersed in a very humid tank.

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

Inferred from the genus: banks and beds of shaded rainforest streams in the lowlands, where it is alternately flooded and emersed.

Records lie at about 30 m in the lowlands of Western Province.

Papua New Guinea (Western Province)

🔒 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.