Olin Here's a thought, Something I started doing before TV was invented. If I want to find out for myself, then do it for myself. I have been experimenting with plants since 1948. On seed start, try a flat of tomato transplants and the excact same variety seeds at the same time you start your transplants. Keep records and make a final comparison. Seeds might work better in your microclim, they might not. Until you try, you will not have an answer. Just don't "Put all your eggs in one basket" Byron