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.- q4 q6 j% a4 Y4 h* Z. A
* z" K. X7 P: N- l x# B9 `have many flower in the yard but I want to cultivate some vegitable and berry.