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Species library › Stromanthe › Stromanthe thalia
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Stromanthe thalia

A clump-forming prayer plant (Marantaceae) of the Brazilian Atlantic Forest. It is widely grown under its synonym Stromanthe sanguinea, including the variegated 'Triostar'. It grows from a rhizome on the shaded forest floor, with warm, wet summers and a cooler, drier winter, and wants even moisture, humid air and protection from direct sun.

Stromanthe thalia
Photo: Photo by David J. Stang, CC BY-SA 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

It is a terrestrial, rhizomatous herb of the rainforest understory, forming large clumps that can reach 1.2–1.8 m in good conditions. Records run from coastal lowlands into submontane forest.

Recorded from sea level to 1,400 m, with a median of 650 m. Most populations are in submontane Atlantic Forest, which is why the winter nights are cool.

Brazil SoutheastBrazil SouthBrazil Northeast

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.