Before I flowered this plant last year, I waited nine years in between flowerings. It now flowers profusely, and easily; what changed? I think that the biggest change was switching to coconut husk chips as my primary growing substrate. Plants that use to give me fits to grow like H. inflata, undulata, buntokensis, etc. now grow with ease using the coco chip medium. Now plants like acicularis flower without me ever thinking about it. It currently has 4 peduncles with open flowers; here is one from this morning: