I know there are a few green thumbs around here. So here are some pics of the rocks ive been working with.
From seed:
https://fbcdn-sphotos-a.akamaihd.net...94896874_n.jpg
https://fbcdn-sphotos-a.akamaihd.net...30592631_n.jpg
In bloom:
https://fbcdn-sphotos-a.akamaihd.net...92608515_n.jpg