Epsom salt has many benefits. While it is used a lot in the home, it is even more useful in the garden. It is rich in magnesium that to a great extent helps in the germination process. Magnesium helps in chlorophyll making and helps the plants absorb nutrients vital to their growth. To use Epsom salt, dilute it with some water. Once you have already done so, apply it like foliar spray. You will notice your plants grow healthier after this.