Zantedeschia pentlandii

A yellow-flowered summer-growing calla from the high grasslands of Mpumalanga and Limpopo, South Africa. It grows during the warm wet summer and goes fully dormant through the dry, frosty winter, so a dry winter rest is essential.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows in rocky grassland and open woodland between dolerite boulders, where the rocks give some shelter and shade.

Few records carry an elevation; the Roossenekal–Dullstroom area lies on the high escarpment at roughly 1,500–2,000 m.

Northern Provinces

🔒 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.