Epsom salt contains magnesium, which all plants need for photosynthesis. Magnesium is rarely lacking in most soils so adding it to lawns is not useful. Only apply fertilizer after doing a soil test to ...

Add Yahoo as a preferred source to see more of our stories on Google. Gloved hand holding a pile of white crystals with conifers in background - Martina Unbehauen/Shutterstock Some garden home ...