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Garden Prep: 3 min

Epsom Salt Fertilizer

Photo of green, healthy tomato plants

Magnesium sulfate in Epsom salt corrects magnesium deficiency in plants — good for tomatoes, peppers, and roses that show yellowing between leaf veins.

What you'll need

Steps

  1. Dissolve Epsom salt fully in the water.
  2. Water plants at the base with the solution once a month during the growing season.
Tip: Only useful for magnesium-deficient soil — a soil test first will confirm whether your garden actually needs it.
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