Monday, May 18, 2015
Epsom Salts for Gardening
(Jockers, 2015)

Epsom Salts are used for a variety of uses from decreasing pain and inflammation when used in bath water to improving the number and size of blooming plants. Magnesium sulfate is chemical in Epsom salt that is important in seed germination, plant growth, the production of blossoms, and eventually the fruit or vegetables harvested from the plants.  Low levels of magnesium do not allow some plants, like tomatoes, peppers, and roses to grow optimally (Nardozzi, 2015).

Low levels of magnesium can show in the yellowing of the plant’s leaves, leaf curling, slow growth, or a fruit that lacks sweetness.  To improve low levels of magnesium, Epsom salts can be added to the soil in the following ways:

  • Before planting, add 1 tablespoon to the bottom of planting hole.
  • Once planted, spray the leaves of the plant in the early morning or late evening with a 1 tablespoon of Epsom salts in 1 gallon of water.
  • Epsom salts can also be used to fertilize plants in a container, too.  Place 2 tablespoons of Epsom salts in 1 gallon of water.  Then apply enough to wet the soil in each container.  Reapply once a month (Palomo, 2015).

Angela Ask MPS
Kaplan University
Adjunct Professor in Health Sciences


Jockers, D. (2015, January 1). The Remarkable Health Benefits of Epsom Salt Baths. Retrieved May 16, 2015, from

Nardozzi, C. (2015, January 1). Fertilize with Epsom Salts. Retrieved May 16, 2015, from

Palomo, E. (2015, January 1). How to Use Epsom Salts in a Garden. Retrieved May 17, 2015, from


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