Marcgravia hartii

A Marcgravia of Trinidad's Northern Range, described by Krug and Urban in 1899 and named for John Hinchley Hart of the Trinidad Botanic Gardens, with Kew also listing it for Venezuela. It climbs shaded trunks in seasonal evergreen and lower montane rainforest at a few hundred metres and is a warm, humid grower with a real dry season from January to May. The shingling juvenile stage is the one to keep in a terrarium.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodClimber

Where it grows wild

Humid evergreen forest of the Northern Range of Trinidad, climbing tree trunks in the shaded lower storey and flowering from hanging shoots higher up. The records cluster around the Arima valley at roughly 250 m.

Few records carry an elevation; the reference site is at about 250 m and the Northern Range rises to 940 m.

Trinidad and TobagoVenezuela

🔒 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.