University of Florida

Overfertilization

Fertilizer provides plants with specific nutrients they need in order to grow. But it's important not to overfertilize, since this can lead to problems for both the plants and the environment.

With container-grown plants, applying too much fertilizer can create a build-up of salts in the potting media, which can cause stunted growth, leaf browning, or even death. And in the landscape, overfertilizing can burn plants, trigger excessive growth, aggravate pest problems, or lead to pollution of our waterways and groundwater.

Before you apply any fertilizer, be sure to read and follow all label instructions, and consider having your soil tested. Your county Extension office can help. By fertilizing responsibly, you'll help protect your plants and Florida's environment.

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