Arisaema tortuosum

A tall, clump-forming cobra lily of Himalayan and Indian mountains, recognised by the long whip-like spadix appendix rising out of the spathe. It grows from a tuber through the summer monsoon and dies back to a dry, cold-dormant tuber in winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Rhododendron and mixed forest, forest edges, scrub and alpine meadows; also monsoon grassland and rocky slopes in the Western Ghats. A terrestrial tuberous herb rooted in humus-rich soil.

Recorded from 390 to 3000 m, median about 2500 m; the Himalayan populations are mostly 1800–3000 m, the southern Indian ones lower.

IndiaNepalBhutanTibetSouth-Central ChinaMyanmarPakistanSri Lanka

🔒 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 3.0 licence, unmodified.