In fact, chill injury may occur at temperatures below 50 o F for many varieties. The average last frost date in Connecticut is mid- to late May, but varies considerably with season, location and site. Space seedlings to give five to six square feet per plant. For example, two feet apart in rows three feet wide if tomato cages are to be used. Plants which will be staked and pruned can be planted closer, while those to be grown flat on the ground require more room.
Set transplants two to four inches deep.
Excessively elongated stems can be partially buried horizontally at this depth. Liquid fertilizer starter solutions reduce transplant stress. Mulches serve additional functions by conserving water and reducing plant and fruit contact with the soil. Organic mulches keep soils cool and should not be applied before July. Supporting vines on stakes or twine trellises and pruning, allows closer spacing and improves air circulation, thereby reducing vine diseases, and makes cultivation easier.