How to Fertilize Tomatoes Step by Step
Fertilize tomatoes by mixing 2-3 lbs of 10-10-10 per 100 sq ft into soil before planting. Two weeks after transplanting, side-dress with 1 tablespoon of 10-10-10 per plant in a ring 6 inches from the stem. Once flowers appear, switch to 5-10-10 every 2-3 weeks. Add calcium nitrate foliar spray to prevent blossom end rot. Water thoroughly after every fertilizer application.
What You Need to Know
Fertilize tomatoes by mixing 2-3 lbs of 10-10-10 per 100 sq ft into soil before planting. Two weeks after transplanting, side-dress with 1 tablespoon of 10-10-10 per plant in a ring 6 inches from the stem. Once flowers appear, switch to 5-10-10 every 2-3 weeks
Add calcium nitrate foliar spray to prevent blossom end rot. Water thoroughly after every fertilizer application.
For personalized recommendations based on your specific garden size and fertilizer, use our fertilizer calculator.
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