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Species library › Cryptocoryne › Cryptocoryne siamensis
Aroids Little published: much of this is inferred from related species

Cryptocoryne siamensis

A Thai Cryptocoryne, now usually treated as a variety of Cryptocoryne cordata (C. cordata var. siamensis). It grows in shaded forest streams in Thailand and the Malay Peninsula and suits warm, soft-water aquariums or wet paludariums.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Cryptocoryne cordata and its varieties grow in slow forest streams and seasonally flooded banks in lowland rainforest, submerged for much of the year and emersed when water drops.

Lowland; mostly below a few hundred metres.

ThailandPeninsular Malaysia

🔒 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.