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. ) }( M( Y" _, l+ b4 I5 Z" ^ 8 U! r3 \ f7 c1 Y% ~- whave many flower in the yard but I want to cultivate some vegitable and berry.