I believe that If I had known just what the issue was with the bud drop, I could have flowered this plant at least a year earlier. So instead of taking 2 1/2 years, it could have been done in a year and a half with strong enough lighting. I do not believe that the oyster shell helped this particular plant and probably made it chlorotic. My first specimen looks beautiful and it is only potted in husk and perlite. It has never produced many peduncles, or budded up, but it does not receive near enough light living on a windowsill.