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. % i# O# X0 \5 b$ K3 [, x- C / c; Z; L' E0 x v6 ehave many flower in the yard but I want to cultivate some vegitable and berry.