How to regrow your groceries -- pineapple, green onions, celery, ginger, leafy greens and potatoes. You can also regrow onions by cutting off the "base" (leaving some flesh), drying it, and then planting it under an inch of soil.
Epsom Salts for the Garden. Are the leaves on your tomatoes or pepper plants turning yellow? Want more blooms on your rose bushes? Wondering why your lawn is looking brown? Boost plants and grass with Epsom salt, high in magnesium and sulfur. Helps plants grow greener with higher yields and more blooms. This site tells you how much to use for type and size of plant or square footage of ground.