Moonlight Purple Swirled Sorbet Ground Orchid. Upright green foliage shooting out flowers with purple petals and white brush strokes and a yellow center. Beautiful color to add to your landscape. This beautiful perennial is a terrestrial growing, primary orchid hybrid. The tropical ground orchid hybrid requires warm hot temperatures and a location in full sun or partial shade. During the growth season roots should be kept moist, but not wet, whilst waterings should be restricted during the winter rest.