Last year was my first year so I did a test with Super Soil from Home Depot and Happy Frog. I used the same seeds and same peat pots. I started the ones in Super Soil one week before the ones in the Happy Frog. The ones in the Happy Frog bypassed the ones in the Super Soil in two weeks and just kept on going until the difference was ridiculous. So when I put them in the ground I used the Happy Frog to try to get the ones in the Super Soil back on track but they just never could catch up.