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. 3 Q5 G: H$ D) R V+ q& @6 l5 h$ j* I/ {. bhave many flower in the yard but I want to cultivate some vegitable and berry.