Epsom Salt for Tomatoes | 3 Uses

Learn how to use Epsom salt for tomatoes, tomato plants are heavy feeders and use of Epsom salt on them to thrive.Tomato-Plant_mini

Epsom salt contains about 10 percent magnesium and 13 percent sulfur. Also called Magnesium sulfate, it is a highly water-soluble crystalline fertilizer.

Magnesium is critical for seed germination and the production of chlorophyll, it supports the transport of calcium into the upper parts of the tomato and facilitates the absorption of nutrients.

1. Epsom Salt for Potted Tomatoes

Dissolve 1 tablespoon of Epsom salt in 1 gallon of water. Water with this solution until it starts to drain from the bottom. You can do this in every 3 to 4 weeks. You can also use Epsom salt spray for tomato plants.

Also read: How to grow Tomato on Balcony

2. Epsom Salt for Tomatoes while Planting

While transplanting the seedling, put one tablespoon Epsom salt in the bottom of the planting hole and cover this with a layer of soil. Make sure before planting that roots are not directly touching Epsom salt.

This will prevent stem rot and blossom end rot.

Also read: Growing Tomatoes in Hanging Basket

3. Epsom Salt for Tomatoes during Growing Season

For the tomatoes growing on the ground after planting till harvest, spray two tablespoon Epsom salt mixed in one gallon of water every month during growing season. This will encourage plant’s growth, prevent blossom end rot and makes tomato skin thick and red.

Tips and Warnings

  • It is best to get your soil tested before using any fertilizer as an excess of any nutrition can cause nutritional imbalance.
  • Potted tomato plants are prone to nutritional deficiencies, such as magnesium and sulfur, since nutrients leach out from the soil during the time of watering.
  • As with any ingredient, the success of Epsom salt for tomatoes depends on its balanced use.

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amazing uses of epsom salf for tomatoes



6 COMMENTS

  1. I have been reading that Baking soda is good to put around the base of tomato plants. Makes the fruit sweeter, discourages rabbits and possible other creatures. Please give pros and cons regarding the use of Baking Soda.

  2. When, and how much to spray the epsom salt solution on the foliage? I tend to water at night, to give the leaves / foliage time to dry, and avoid sun scorch, as they’re on a 3rd floor patio with full sun all day til about 6 pm.

  3. @Birgitta 1 tablespoon epsom salt per gallon of water. Spray the leaves/foliage and and you can pour some into the soil. every two weeks is good during growing season. Potted tomato plants tend to need more Magnesium
    than tomatoes planted in the Garden.

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