My tree orchid is blooming! This cattleya orchid was established on a big cedar tree when we bought the house. It survives beautifully on benign neglect and even rewards me periodically with these gorgeous blooms. Cattleyas are known as "corsage" orchids, so if I'm unexpectedly invited to a prom, I'm covered. I like it when things that I grow in my garden have a practical purpose!
Edited to add this photo of the tree where the orchid grows: