A Key to a Fantastic Harvest: Magnesium Sulfate or Epsom Salts

Magnesium sulfate is a natural chemical that can be a huge boost to the garden and it is even quite helpful for potted plants. This miracle substance is better known as Epsom salt; the same substance you might add to bath water to soak tired, sore, or achy muscles.

Elemental help

Both magnesium and sulfur are needed for plants to be as healthy as possible. When Epsom salts break down, they yield magnesium, sulfur, and water. Additionally, Epsom salts readily dissolve in water, making them ideal for growing plants.

This chemical helps the plant build strong roots and cell walls, both of which help to increase the quality of the harvest.

Magnesium sulfate when planting seeds

If you are directly seeding your vegetables and fruits, sprinkle about one cup of Epsom salt per 50-feet of a garden row in the bottom of the furrow prior to planting the seeds. The germinating seeds immediately benefit from the boost in magnesium.

Use in planter pots

Vegetables and herbs started in starter-pots also benefit from a tablespoon of Epsom salt mixed into the dirt mixture before the seeds are planted. When the plants are then transplanted to the garden, again add a tablespoon of magnesium sulfate to the bottom of the hole or drill.

Use with houseplants

Unless a houseplant does best in poor soil, dissolve 3 tablespoons of Epsom salt in a gallon of water and use a cupful of this solution once a month on each houseplant, as fertilizer. This is especially good for use on plants that have leaves that are turning yellow and starting to curl up; a sign of magnesium deficiency.

Side dressing peppers and other plants

Mix three tablespoons of Epsom salts into a gallon of water and feed peppers and other plants one cup of the solution once every two weeks. This is very beneficial to peppers and to any plant that has heavy fruit. This can greatly increase the number and size of fruits produced. The exception is tomatoes, as mentioned below.

Feeding tomatoes magnesium sulfate water

Tomatoes can produce heavily if fed the same solution as above. However, tomatoes are heavy consumers of calcium. Adding Epsom salt to the soil lessens the amount of calcium the tomato plants can draw in through the roots. Because of this, spray the solution directly on the tomato plants.

Note: Don’t spray the solution on the plants when they are in the sunshine as this can cause sunburn.

Magnesium sulfate, Epsom salt, is a substance that can greatly help the plants in the garden. It strengthens the root system and can greatly increase the number of fruits that are produced. It dissolves easily in water and furnishes magnesium, which most plants need for healthy growth.

Epsom salts usually don’t cost much, yet this is a very good substance to feed your plants.


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Written by Rex Trulove

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