Begonia rajah

Begonia rajah – The Jewel of Borneo

Begonia rajah is a rare and stunning species native to the humid rainforests of Borneo. Prized for its ornamental foliage, this begonia features heart-shaped leaves with deep green tones and striking copper or bronze veins, often shimmering with a metallic sheen under the right light. The undersides of the leaves are typically a rich purple, adding to its jewel-like appearance.

Plant Details:

• Botanical name: Begonia rajah

• Origin: Borneo

• Type: Rhizomatous begonia

• Foliage: Decorative, velvety, with contrasting veining

• Size: 6–10 inches (15–25 cm) tall

• Flowers: Rare in cultivation; small, delicate pink or white blooms

Care Requirements:

• Light: Bright, indirect light (avoid direct sun)

• Humidity: High humidity preferred (ideal in terrariums or humid cases)

• Temperature: 64–77°F (18–25°C); sensitive to cold

• Soil: Light, well-draining mix rich in organic matter (e.g. sphagnum, perlite, fine bark)

• Watering: Keep soil lightly moist but not soggy; avoid waterlogging

Tips:

• Thrives in tropical terrariums where its colors can fully develop.

• Avoid dry air and hard water; rainwater or filtered water is best.

• Needs consistently high humidity levels (above 60%) to stay healthy.