Your tomato seedlings aren't dying from bad light they're starving. , Many seed starting mixes have almost zero nutrients. The moment true leaves appear, the energy stored in the seed is gone and All Sweet, Watermelon Seeds Fertilome Chelated Liquid Iron and Other Micronutrients Concentrated Fertilizer Deadheading Dahlias in Pots: Keep Your Blooms Thriving Anthurium Nero Uses in Bouquets and Floral Design