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. 1 n" C5 d9 U7 g% t4 v9 ` . h2 ?5 ~) M4 Khave many flower in the yard but I want to cultivate some vegitable and berry.