Germinating Big Bang Auto Seeds

First time using auto seeds, i germinated 2 Big Bang Autoflowering seeds in a small covered container until seeds split open with about a 1/8 inch sprout. I then planted the seeds (this is where I think I screwed up) into 5 gallon containers using Fox Farms as a good medium. It has been a week and nothing, they always have light and water. The weather here in SoCal has been nice, but I dont think autoseeds do well when temps get down to 50 degrees. I grow outdoors, but I have an area in the garage where I have a small light. These Big Bang Seeds cost me about $6.oo american each. Anyone have any ideas?