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Species library › Oxalis › Oxalis drummondii
Other Well documented

Oxalis drummondii

A tuberous wood sorrel of central and south Texas and north-east Mexico, with large four-part leaves and pink-lavender flowers. It comes up and flowers with the late-summer and autumn rains and retreats underground in the hottest, driest weather and in hard winters, so treat it as a bulb with a summer rest.

Oxalis drummondii
Photo: Gary Rogers, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Open woods, shrubland and grassland, usually on calcareous or sandy soils such as the limestone of the Edwards Plateau and Balcones Escarpment.

Most records are from about 50–400 m in central Texas. Mexican populations reach higher in the Sierra Madre Oriental.

TexasNuevo LeónTamaulipasCoahuila

🔒 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 4.0 licence, unmodified.