Peperomia wheeleri

Wheeler's peperomia

Wheeler's peperomia is a federally endangered herb from Culebra, a small dry island off eastern Puerto Rico, where it roots in humus collected on weathered granodiorite boulders in the island's highest forest. It grows up to a metre tall with fleshy, opposite leaves up to 7 cm long. Loss of canopy, which removes the leaf litter it grows in, and scratching by fowl are the main threats. It needs warmth, bright shade and a free-draining, humus-rich medium rather than a humid tropical terrarium.

Peperomia wheeleri — Photo: https://www.flickr.com/photos/usfwssoutheast/, CC BY 2.0, via Wikimedia Commons

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Semi-evergreen to dry forest on the upper slopes of Culebra, inside the Culebra National Wildlife Refuge. It anchors in pockets of humus on granodiorite boulders, alongside Clusia rosea, Bursera simaruba, Ficus citrifolia, Tillandsia, Anthurium acaule and Epidendrum cochleatum.

Culebra's highest point is under 200 m; the plant occurs on the highest slopes, roughly 100–200 m.

Puerto Rico: Culebra Island

🔒 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 2.0 licence, unmodified.