you'll want to start them out in something smaller, also ive used/still use the MG moisture control (some around here scold it) but mines done well on it anyway about the soil it already has about 10% perlite u really only want 25% I read so don't go overboard the mulch might cause ph problems I was going to use that and someone told me not to (weedhound?) anywho my 2cents. :smokin: