Home All Things Gardening Why we Should Use Epsom Salt for our Plants?

Why we Should Use Epsom Salt for our Plants?


Did you know where Epsom salt’s name come from? It came from England. It was first discovered in the well water of Epsom, England. Epsom salt is not only used to fertilize plants but also treat a range of human and animal ailments. So, to answer people who have been asking about the uses of Epsom salt in the plants, here is some of the information on how your plants will benefit from Epsom Salt.

Epsom salt is actually a hydrated magnesium sulfate and based on its name, it contains magnesium which is needed elements for your vegetable plants. That is why experienced gardeners called the Epsom salt as “major minor nutrients.” This kind of “salt” will help speed up your plant growth, it will increase your plants nutrient update, increase flavor of your fruit, and most of all, it will give boost your plants’ health and as a result will provide you sweeter and tastier vegetable from your garden.

How will you apply Epsom Salt to your plant?

  • Before planting, mix 1 cup of Epsom salt into your soil per 100 square foot. Make sure to mix Epsom salt in your plant by tilling it.
  • When transplanting, dig a hole and place about 1 tablespoon of Epsom salt at the bottom and cover it with a thin layer of soil before planting your new seedlings or plants.
  • Or, you may soak the roots in ½ cup of Epsom salt diluted in 1 gallon of water before transplanting to avoid transplant shock.
  • After planting, you can still use Epsom salt by sprinkling about 1 tablespoon directly around the base of the plant and water it.
  • For watering your plants, add 2 tablespoon of Epsom salt in a gallon of water to boost and improve the overall health of your plants.

How will the Epsom Salt help my plants?

  • It will increase nutrient absorption. By using Epsom salt, your plants will increase the absorption of nutrients from the soil. That is the reason why tomatoes needed Epsom salt two times than any other plants because tomato plants needed calcium to prevent blossom-end rot and calcium is competing with magnesium which is needed to have higher yields and sweeter fruits. By foliar feeding your tomato with Epsom salt, it will reduce the competition between magnesium and calcium for absorption and will deliver magnesium to the plants at a faster rate. Water your tomato plants with at least 2 tablespoons of Epsom salt per gallon of water every two weeks.
  • If tomato plants love Epsom salt, peppers love it too. Do the same thing with your pepper plants to have higher yields. Sprinkle 1 tablespoon of Epsom salt for every foot of height around the base of your pepper plants once a week.
  • It will improve germination for your seeds. The magnesium in Epsom salt will help in the germination of seeds and it will strengthen the cell walls leading to a stronger seedlings.
  • Prevent transplant shock. The other day, I transplanted a few numbers of tomato seedlings and at least three of them wilted. This is our experience when we move them to another place. Epsom salt will help injured roots overcome transplant.
  • Lush green leaves. If your plant leaves are turning yellow, that is because they are not getting enough magnesium. Magnesium is an essential component in the production of chlorophyll. Sprinkle Epsom salt around your plants about 1 tablespoon per 12 inches of height once a month.
  • Prevent leaf curling. One thing comes to my mind when I see a curled leaf, there is an aphids or insects at the back of the leaves. But if there are not insects at the back of the leaves, then your plants need magnesium. Sprinkle some Epsom salt around your plants.
  • You want sweet flavor for your plants? Adding some Epsom salt will boost chlorophyll levels inside the plant cells and increasing their energy will mean more sugar and will produce higher and sweeter yields.
  • You love flowers in your gardens especially Roses? Why not use Epsom salt in your Roses to have more vibrant flower color because Roses loves Epsom salt. Epsom salt will increase the magnesium level in your soil and as a result, your chlorophyll level will also increase leading to more food and more vibrant flowers for your rose plants.


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