Garden Mixes

Tomato Fertilizer Blend

Make homemade tomato fertilizer with coffee ground tea and Epsom salts. A cheap liquid feed for healthy tomato plants all season.

Tomato fertilizer blend

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Coffee ground tea and Epsom salts for tomatoes, used as a liquid feed through the season.
Prep Time10 minutes
Total Time10 minutes
CourseDIY

What You’ll Need
  

Coffee ground tea
  • 2 cups used coffee grounds
  • 5 gallons water
Diluted Epsom salts solution
  • Epsom salts about 1 tablespoon per gallon of water

Equipment

  • mixing bowl

Directions
 

  1. Coffee ground tea: Soak 2 cups of used grounds in 5 gallons of water and use the liquid as fertilizer for tomatoes. (You can also mulch with a 1/2 inch layer of used grounds, or mix them into the soil before planting.)
  2. Epsom salts: Dissolve about 1 tablespoon in each gallon of water instead of sprinkling the salts on dry. Apply at planting, then no more than once a month; it can also be used as a foliar spray.

Notes

Coffee grounds are nitrogen-heavy (use in moderation) and Epsom salt overuse can cause more problems than it solves; test soil before applying.
Safety: Coffee grounds are toxic to dogs and cats; keep pets out of treated beds.