This article was graciously written and contributed by Dr. Wilford Neptune Culture of Den kingianum I grow 155 genera, but this is my favorite of all the orchids. This is a neat, compact , and attractive plant even when not in bloom. It comes in an array of fragrant, beautiful, long lasting flowers, in shades of white, pale yellow, white with colored lip, and plain and splash petaled mauve, pink and purple. This plant will grow vegetatively at any temp, any lite,and any kind of watering and feeding- but if one wishes it to bloom to its fullest potential, then it MUST be grown cool (min nite temp in Fall and Winter below 50F); maximum lite; lots of water when growing; and lots of food, but never in a high N ratio. Den kingianum grows normally down to 35F (will tolerate temps down to 29F), so I put mine outside in April (Boston area), in full east sun; and it comes back inside in Nov. After blooming, all keikis are removed, as well as old flower spikes, and the new developing keikis are left on as they will remain uniform in size and will increase the amount of flowers. All dendrobes will produce keikis, however kingianum varies from clone to clone, and within reason this has nothing to do with culture, in contrast to nobiles, which make excessive keikis with too much N, or not enough sunshine. Certain clones, as ‘Ruth’ AM/AOS, and ‘Roy’ AD/AOC/QOS- HCC/AOS, produce multiple keikis, and if these are not removed after blooming the keikis make keikis, and these make keikis and soon there is a veritable weed patch. ‘Karl Marx’ rarely makes keikis and when it does they are small, and on removing behave like seedlings out of flask and take 3 to 5 years to bloom; whereas the usual keiki after removal can be planted and will make a new growth, perhaps a keiki, and all will usually bloom the following season. The pot is watered enough to keep it moist, and during hot weather this may be every day. It is fed 200ppm of N/wk, in a low N ratio, as 9-27-29. All are potted in a bark mix. The plant is brought inside in Nov, to a cool house (min nite temp of 48F) and water is withheld until bloom. I have learned by trial and error that some clones can be watered the entire year, and bloom well (‘Ruth’ and ‘Roy’); others behave as the book advises and must be dried out if they are to bloom; and this varies in both natural and outcrosses. Currently I have 36 different clones, including the only 6 with flower awards from the AOS--’Ruth’; ‘Roy’; ‘Betty’ JC; ‘Lansdowne White’ CHM; ‘Inferno’ AM; and ‘Trident’s Pinkie’ AM. I have a CCM/AOS on ‘Ruth’, and this plant has received more trophies and ribbons in flower shows than any other plant I own. I also have 12 primary hybrids with kingianum, and I have received 2 CCMs on xdelicatum ‘Sarah’, one of which was for 94pts. I have been growing ‘Ruth’ for nearly 20 years, and although it has an AM/AOS, there are much better clones available now, in color, number and size of flowers, upright position of spike, and variation in fragrance. If the conditions for blooming can be met, I believe this orchid should be in everyone’s collection. For grooming of this group, see the Oct 1997 issue of Orchids. Wilford Neptune Go Back May be distributed or published only with permission of Wilford Neptune.