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. ) R$ R! Y; A1 j1 O 0 I! n! |# l* v+ z8 o. Vhave many flower in the yard but I want to cultivate some vegitable and berry.