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What Is 20-20-20 Fertilizer Used For?

UF/IFAS Gardening Solutions

20-20-20 is a water-soluble balanced fertilizer primarily used for houseplants, container gardens, hanging baskets, and greenhouse crops. It dissolves completely in water for liquid feeding. It's twice as concentrated as 10-10-10 so use half the amount. Not recommended for lawns or large in-ground gardens, it's too expensive per square foot. Jack's Classic and Peters Professional are popular 20-20-20 brands.

What You Need to Know

20-20-20 is a water-soluble balanced fertilizer primarily used for houseplants, container gardens, hanging baskets, and greenhouse crops. It dissolves completely in water for liquid feeding. It's twice as concentrated as 10-10-10 so use half the amount

Not recommended for lawns or large in-ground gardens, it's too expensive per square foot. Jack's Classic and Peters Professional are popular 20-20-20 brands.

For personalized recommendations based on your specific garden size and fertilizer, use our fertilizer calculator.

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