Dendrobium subuliferum cross I purchased from Darrin Norton a while back and which is grown alongside other Oxyglossum group Dendrobiums under LED lights in my basement grow area. The leaves have a little red/orange tinge most likely because of the high light levels that the D. cuthbertsonii like (probably higher than ideal for this species). The plant blooms off and on throughout the year. It is grown in NZ sphagnum and kept moist pretty much all the time with light watering 5-7 days a week. Baseline water has a total dissolved solid count around 30-35 ppm and I keep it around 150ppm when fertilizing 2-3 times a month. Temps range from 62F nights to 78 F during the summer months and nights drop to mid 50s for several months in the winter.