Wow Jane,
That is a beauty!!
I have a Bulbo. lobii Katy's Gold mounted on a 6" treefern pot stuffed with sphagnum moss. It loves it and is crawling all over it. Soon it will start to hang off. It really is happy. The flower scent is fantastic as well, so I am curious with the rest of everyone as to whether or not this cross has any scent.
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I have other bulbos mounted on various sticks. The happiest are the megaclinium types. The only problem with sticks is you have to make sure you get nice hard wood because it will rot. One of the most spectacular mouts is a Bulbo purpureorachis on a bald cypress knee. It's a very big plant. The pseudo bulbs get big enough to fit in the palm of a decent sized womens hand. The rachis will get to be about 3' long.
Congrats on ths beauty!!
Randy