Description
Petrocosmea is a genus of rather small, subtropical and tropical Gesneriads from South-East Asia, which mostly grow on rocks (litophyte).
Petrocosmea sp. Borneo growing conditions:
- Light: moderate
- Humidity: high (around 80% or higher)
- Watering: intermediate (do not let the soil dry out, but avoid sogging for a longer period of time).
- Soil: neutral to slightly acidic with very good drainage (sphagnum with pumice/perlite or similar)
- Fertilizing: light