Dendrobium alterum (sphegidiglossum) - Orchid Plant - indigenous to Thailand Size: Large Blooming Size (large mature flowering size plant) Blooming Season: Summer,Fall Blooming Temperature: Intermediate to Warm; 58F min. to 88F max. Lighting: Bright; 2500-3500 Footcandles (very bright indirect light) Water Care: Moist; 3-5 waterings per week (let dry lightly between waterings)