Species library β€Ί Calathea β€Ί Calathea utilis
Other Partly documented

Calathea utilis

A large prayer-plant relative, 2–4 m tall at maturity, with broad oval green leaves on thick petioles and cone-like inflorescences of green, red-brown, purple or red bracts around white flowers. It grows in wet foothill forest on the eastern slopes of the Andes in Ecuador and is listed as Near Threatened. It needs space, deep shade to dappled light, warmth and constant moisture.

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 periodGrows in the ground

Where it grows wild

Wet forest understorey in the subtropical and tropical lowland and montane forest of the Ecuadorian Amazon foothills, for example around Mera in Pastaza, along the MΓ©ndez–Morona road and in the Nangaritza valley. As a large herb it grows on the forest floor, often in gaps and along streams and roadsides where a little more light reaches it.

Herbarium specimens are from about 800–1,300 m, and one Colombian specimen is from about 1,470 m.

Ecuador

πŸ”’ Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

βœ“ Day and night temperature targets, and the limits it tolerates
βœ“ Humidity band, and how to hold it
βœ“ Light as DLI and PPFD for a grow light
βœ“ Wet and dry seasons, and whether to rest it
βœ“ Substrate and airflow
βœ“ 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.