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 p7 }6 ~% v V/ ^" A4 a 8 ]' j3 D$ V5 c) ]; dhave many flower in the yard but I want to cultivate some vegitable and berry.