I have my plants in jiffy mix soil starter in there little starter squares and I have lost a few to reasons unknown to me I give them micro grow bloom vodoo juice and b51 4 ml of m/g/b and 2 ml of the v juice and b51 mixed with 1 liter of water and have been giving them that on and off with the off being just giving them regular water. please let me know what you think thanks! there outside all day and get good sunlight it's a little cold out but nothing bad