You asked how big they can get. These are the two pups from my fruiting mumma. After it fruited about 18 months ago, it sent out these 2 babes. So this is roughly 18 months growth. I was hoping to get a fruit on each, but it wasn't to be this year....fingers crossed for next!
(http://i15.photobucket.com/albums/a364/Mrsava/pineapple_monsters.jpg)