How to Make Your Own Plant Fertilizer


Fertilizers can be used to enhance indoor and outdoor plants. Although there are several conventional fertilizers on the market, effective plant foods can be made using common household products. Homemade plant foods offer a cost-effective alternative to conventional plant food products.

Magnesium Sulfate for Better Soil

Step 1

Combine 1 tbsp. of magnesium sulfate with 1 tsp. of baking soda and 1 tsp. salt.

Step 2

Sift the dry ingredients together.

Step 3

Add ½ tsp. of household ammonia.

Step 4

Dilute the mixture with 1 gallon water.

Step 5

Feed indoor and outdoor plants once a month or as needed with 1 cup of magnesium sulfate mixture per gallon of water.

Things You'll Need

  • Magnesium sulfate
  • Baking soda
  • Salt
  • Household ammonia


  • National Garden Association: Fertilize with Epsom Salts
Keywords: Making fertilizer, Epsom Salt Fertilizer, Plant Food

About this Author

Leah Deitz has been writing alternative health and environmental-related articles for five years. She began her writing career at a small newspaper covering city politics but turned to environmental concerns after beginning her freelance career. When she is not exploring the trails and outdoors of the East Coast, Deitz writes for a number of websites including, and Associated Content.