Simple and Easy-to-Make Fertilizers

Lubbock Irrigation Supply - Watermaster pros

Store-bought fertilizer can be expensive and harm your lawn, family, and pets. Save your money and a trip to the store by making your fertilizer from ingredients you probably already have in the kitchen. 

What does a plant’s diet need to consist of?

Key Nutrients

  • Potassium: Stimulates flower and fruit growth
  • Nitrogen: Supports leaf growth
  • Phosphorous: Promotes root growth


Vinegar Fertilizer (Great for rose bushes)

  • Combine one tablespoon of white vinegar with one gallon of water.
  • Water your plants and repeat every three months.

Epsom Salt Fertilizer (Great for tomatoes, potatoes, roses, and peppers)

  • Combine one tablespoon of Epsom salt and one gallon of water.
  • Water your plants with this mixture once a month.

Eggshell Fertilizer (Great for flower beds)

  • After cooking, save your eggshells and set aside to dry.
  • Once dried, blend shells to a powder consistency.
  • Sprinkle in your garden every two to three weeks.

Firewood Ash Fertilizer (Great as garden fertilizer lime)

  • Sprinkle ash over garden beds and sift or work into soils.
    • Note: Do not use around acid-loving plants, nor should you use if the soil is alkaline based.
  • Repeat every three to four weeks.

Fish Tank Water Fertilizer (Great for everyday use)

  • Save the dirty water from your fish tank to reuse to water your plants.
  • The water is packed full of nutrients like nitrogen, a plant superfood.
  • Repeat as often as you would like.

Coffee Grinds Fertilizer (Great for acid-loving plants)

  • Line a cookie sheet with newspaper and place used coffee grinds on top.
  • Set aside and allow to air dry.
  • Once dried, sprinkle at the roots of plants.

Tip: Starbucks will save you FREE bags of used coffee grinds if you call ahead.

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