1. Epson Salt
Houseplants: 2 tablespoons per gallon of water; feed plants monthly.
Roses: 1 tablespoon per foot of plant height per plant; apply every two weeks. Also scratch 1/2 cup into soil at base to encourage flowering canes and healthy new basal cane growth. Soak unplanted bushes in 1 cup of Epsom Salt per gallon of water to help roots recover. Add a tablespoon of Epsom Salt to each hole at planting time. Spray with Epsom Salt solution weekly to discourage pests.
Shrubs (evergreens, azaleas, rhododendron): 1 tablespoon per 9 square feet. Apply over root zone every 2-4 weeks.
Lawns: Apply 3 pounds for every 1,250 square feet with a spreader, or dilute in water and apply with a sprayer.
Trees: Apply 2 tablespoons per 9 square feet. Apply over the root zone 3 times annually.
Garden Startup: Sprinkle 1 cup per 100 square feet. Mix into soil before planting. About Epsom salt
2. Banana peels