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. 9 z. m% Y* W4 {& p7 G# z5 F 3 W. D8 `. z9 \* D# phave many flower in the yard but I want to cultivate some vegitable and berry.