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Species library › Oxalis › Oxalis illinoensis
Other Well documented

Oxalis illinoensis

A woodland wood-sorrel of the lower Ohio Valley and the Nashville Basin, growing in rich deciduous forest in Indiana, Illinois, Kentucky and Tennessee. It is a hardy perennial that needs a cold winter; grow it outdoors in light woodland shade rather than as a houseplant.

Oxalis illinoensis
Photo: Mason Brock (Masebrock), Public domain, via Wikimedia Commons
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

Inferred from the records and the genus: moist, rich deciduous woods, wooded slopes and ravines, often over limestone, in the forest understory.

Lowland: the few recorded elevations are about 125–225 m.

IllinoisIndianaKentuckyTennessee

🔒 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 Public domain licence, unmodified.