Dendrobium Genting Royal is an antelope type Dendrobium. As far as I know these like standard household temperatures and don't have a winter rest, unlike some Dendrobiums.
They like a little higher light than Phals, I keep an antelope type in a west window, but like all/most orchids it needs protection from direct light. Mine is behind a sheer curtain.
I water when it looks just dry, but I think they actually prefer a little more than that, watering just before it goes dry rather than just after.
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