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. 0 I7 y& x) w* y' E 4 y2 F- S) l2 |; Zhave many flower in the yard but I want to cultivate some vegitable and berry.