Related: The 11 Best Seed Starting Trays to Help Kickstart Your Garden ... It's usually best to start them in biodegradable containers or deep and roomy pots so you won’t need to repot them ...

Rochester, N.Y. (WHAM) - We started flowers and veggies in a seed tray this spring to get a head start on the growing season. The seed tray has some lettuce, onions, tomatoes, carrots and even ...

Prepare a cellular seed tray or individual pots with good potting compost and firm in well. Ideally the tray should be 7.5cm (3 in) deep to allow for the development of a strong root system.