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. 8 k6 G3 \2 Y- E! C5 g- C ) A% n a% e8 P% t: J1 {" b Bhave many flower in the yard but I want to cultivate some vegitable and berry.