Dendrobium cuthbertsonii f. alba (Big)

An alba form of one of the most celebrated miniature orchids in cultivation, Den. cuthbertsonii f. alba bears pristine white flowers that can persist for months on the plant — an extraordinary longevity unmatched by most orchids. Its compact, mat-forming growth makes it ideal for mounted culture or shallow pots. This plant is offered in a larger-than-standard commercial size.

• Light: Bright indirect light with 40–60% shade cloth; tolerates more light than most miniatures but avoid direct midday sun.
• Temperature: Cool grower. Daytime 58–68°F (14–20°C), nighttime 48–55°F (9–13°C); cool nights are essential to trigger and sustain blooming.
• Humidity: 75–90%; constant high humidity with excellent air movement is critical — a terrarium or cool greenhouse is ideal.
• Watering: Keep roots consistently moist; mounted plants may require daily misting in dry conditions.

Additional Notes

Found in mossy montane forests at elevations of 2,000–3,500 meters in New Guinea; best grown mounted on tree fern or cork bark with a thin layer of sphagnum moss over the roots.