Scott's comment. I think either bee keeping has big limitations such as parents worried about their children getting stung, i think putting in the outer less dense places such as parramatta. He also said the plant swapping was a good idea although the product should be a way to document the plants to others and take photos.
Oun: I like the idea of plant sharingKevin: I like the idea of plant sharing, i think you could consider more of the problems involved
