Angraecum longicalcar

A critically endangered Angraecum of Madagascar's central highlands that grows on marble outcrops in grassland, with tall spikes of large white, upward-facing flowers and very long spurs, fragrant at night from February to April. Grow it bright, airy and warm by day with clearly cooler, drier winters.

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 on rock (lithophyte)

Where it grows wild

Lithophyte on exposed marble outcrops in highland grassland, rooting into rock crevices and moss.

Literature gives about 1000–1200 m; the measured records span 9–1350 m (median 700 m).

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.