Arisaema inaense

A Japanese cobra lily of cool-temperate deciduous woodland, raised to species rank from a variety of Arisaema amurense in 2008; the name points to the Ina district of Nagano. Grow it like other hardy Japanese Arisaema: shaded and moist in summer, with a cold, fully dormant winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Little is published on this species' habitat; like its close relatives in the A. amurense group it is expected on moist, humus-rich floors of deciduous and mixed forest in the mountains of central Honshu.

No wild records carry an elevation; the one climate site sits at 645 m, typical of central Honshu valley woodland.

JapanCentral Honshu

🔒 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.