Last year, I placed a Tillandsia off our oak tree ( ball moss) under a glass dome. It just happened to be blooming in time for the show. 'Got a first place ribbon. We were all giggling! It was obvious that the judges had never seen ball moss on their oaks.
If you do plant in the corks, I'd suggest drilling the hole a little bigger than I did mine. Maybe pencil size, so a little soil could remain to anchor the roots. I think mine just grew into the cork. The hole wasn't big enough to add any soil once it began to grow. I added a few pellets of fertilizer once in a while. And.....champagne corks worked best for stability.
