Sedum ternatum

A low, mat-forming woodland stonecrop of the eastern United States, with leaves in whorls of three and starry white flowers in late spring. Unlike most sedums it prefers part shade and steady moisture, and it is fully winter-hardy, so it does best outdoors or in a cold frame rather than as a warm indoor succulent.

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 on rock (lithophyte)

Where it grows wild

Grows in the deciduous forest understory, on mossy boulders, rock ledges, stream banks and thin soil over rock, where moisture is fairly constant.

Recorded from about 140 to 1,340 m, median around 320 m, from lowland valleys up into the Appalachians.

Eastern United StatesAppalachian MountainsOntario

🔒 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 2.0 licence, unmodified.