where I can buy? what kind of soil(dry or wet, soft or hard, ...) can be used to be planted? in the sunny region or not too much sun aera? Do I need to water it frequently? Thanks for any advices. ! e( }/ n' V& x. h# w- l4 f2 j% Y& Q 0 |/ ^* d! y z* I: f* E& Shave many flower in the yard but I want to cultivate some vegitable and berry.