Epsom Salt for Your Plants - Inside and Out

4 Materials
$3
5 Minutes
Easy

Did you know you could use Epsom salt for your outdoor plants and your houseplants? It says so right on the label!!

Here are four different ways to use Epsom salt to give your plants a boost and one way to keep pests off of your hosta plants.

1: Tomato Plant Booster

Add two Tablespoons of Epsom salt to one gallon of water

Shake

Feed your plants every two weeks with this booster for bigger tomatoes.

2: Pepper Plant Booster

Add one Tablespoon of Epsom salt to one gallon of water.

Pour into a spray bottle.

Spray directly onto the plant every two weeks and you'll yield more peppers per plant.

3: Hosta Pest Remover

Combine one cup ammonia and one cup Listerine original mouthwash.

Add one cup Epsom salt and stir until salt is dissolved.

Add one cup lemon Ajax dish soap. DO NOT STIR IN.

Pour mixture into a spray bottle.

Spray hosta, wetting the leaves.

Repeat as often as necessary.

4: Indoor Plant Booster

Add two Tablesoons of Epsom salt to one gallon water

Water your houseplants once a month.

5: Give Transplanted Plants a Boost

Fill the planter pot with potting soil halfway to the rim.

Add a pinch or two of Epsom salt.

Combine salt into the soil. You don't want the plant to directly touch the salt.

Plant the new transplant as you normally would.

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Have a question about this project?

3 of 245 questions
  • Lisa
    on Mar 30, 2020

    Does the indoor houseplant once a month epsom salt watering help with aphids or bugs in soil?

  • Sharon Folsom
    on Apr 14, 2020

    Can You use Epsom Salt on Rose Bushes.

    • Rawhide
      on Apr 17, 2020

      Sharon, yes you can.. try it once a month unless you live in an arid condition. Mine went wild, more buds than leaves.

  • Sharrey
    on May 21, 2020

    what do you suggest could be used on a fruit tree with fungus (Black spots on fruit).

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