Euphorbia hardyi

A little-known Malagasy Euphorbia from the central highlands, where hot wet summers alternate with a cool, dry winter. With almost nothing published on its habitat, grow it like other highland Madagascar euphorbias: bright light, a sharp mix and a dry, cool rest.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Probably grows on rocky outcrops or open grassland slopes in the central highlands, like many small Malagasy euphorbias; habitat details are not documented.

The single climate site is at about 1,350 m in the central highlands.

Madagascar

🔒 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.