Rex Begonia (Painted Leaf Begonia)
Care Guide
Light
- Bright indirect light.
- Avoid direct afternoon sun, which can scorch the leaves.
Water
- Keep soil slightly moist but not waterlogged.
- Allow the top layer of the growing medium to dry slightly between waterings.
Humidity
- Prefers high humidity (60–80%).
- Excellent choice for terrariums and planted aquariums’ emersed sections.
Temperature
- Ideal: 18–27°C (65–80°F).
- Protect from temperatures below 15°C (59°F).
Growing Medium
- Well-draining mix:
- Coco peat
- Perlite
- Fine bark
- Leaf mold
Fertilizer
- Balanced liquid fertilizer at half strength every 2–4 weeks during active growth.
Common Problems
- Brown leaf edges: Low humidity.
- Yellow leaves: Overwatering.
- Powdery mildew: Poor air circulation.
- Root rot: Soil staying too wet.
Propagation
Rex Begonias are very easy to propagate from:
- Leaf cuttings
- Leaf sections
- Rhizome division
Based on the silver metallic leaves and dark green veining, your plant looks like a silver Rex Begonia cultivar, possibly similar to ‘Silver Limbo’, ‘Silver Queen’, or another hybrid Rex variety. A precise cultivar name is difficult to confirm from a single photo because many Rex Begonia hybrids look very similar.
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