Habitat and Location:
Rhododendron radians is a captivating species native to the mountainous regions of Sulawesi. It thrives in cool, temperate forests and alpine meadows at elevations ranging from 2,500 to 3,500 meters. In its natural habitat, this rhododendron grows as a terrestrial shrub or occasionally as an epiphyte, where it benefits from high humidity, filtered light, and well-draining soils enriched with organic matter.
 
Description:
Rhododendron radians is a small to medium sized shrub; mature plants typically reach 50-100 cm in height This species is celebrated for its compact, rounded growth habit and its stunning floral display. The plant produces elliptical, glossy green leaves that are often tinged with a bronze or reddish hue when young. Its standout feature is its trumpet-shaped flowers, which bloom in clusters and range in colour from the palest pink to white. The flowers emit a subtle fragrance and attract pollinators, adding vitality to its surroundings.
 
This rhododendron’s manageable size and breathtaking blooms make it a favourite among gardeners and collectors, particularly those with an interest in cool-climate or alpine species.
 
Care Instructions:
Rhododendron radians thrives in bright, indirect light, making it suitable for shaded garden beds or woodland gardens. For container cultivation, use an acidic, well-draining potting mix, such as one composed of peat moss, pine bark, and perlite. Water regularly to maintain consistent moisture, but ensure the medium is not waterlogged, as the plant is sensitive to root rot.
 
Maintain daytime temperatures between 15-22°C and nighttime temperatures around 7-15°C. High humidity (50-70%) is essential for optimal growth, which can be achieved through misting or humidifiers if grown indoors. Fertilize sparingly during the growing season with a balanced, acidic fertilizer, and prune lightly after flowering to encourage a bushier habit. Ensure good air circulation to prevent fungal diseases, particularly in humid environments.
 
Specifications:
Plant Size: 10 – 25 cm
Family: Ericaceae
Plant Passport: A Rhododendron radians B 140084 c 13066 d GB