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. $ {4 @! a3 x, a4 S - o7 C" t, W2 ~; ~2 R5 Shave many flower in the yard but I want to cultivate some vegitable and berry.