Clermontia arborescens subsp. waikoluensis

This rare Hawaiian endemic shrub from the bellflower family requires a very specific tropical environment with high humidity, consistently moist soil, and dappled light — closely mimicking its native wet forest habitat on the Big Island. It is critically rare and not available through standard retail channels, making it a plant for specialist botanical collections only. If you are lucky enough to grow one, protect it from any drought stress and maintain excellent air circulation to prevent funga