How to Balance pH for Sapote Plants

Maintaining the optimal pH level in the soil is crucial for the health and growth of sapote plants, such as mamey sapote. The ideal pH range for sapote plants is between 5.5 and 6.5. By following a few simple steps, you can ensure your sapote plants thrive by balancing the soil pH.

Soil Testing

The first step in balancing the pH for your sapote plants is to test the soil. You can purchase a home soil testing kit or send a sample to a local agricultural extension service for a more comprehensive analysis. This will provide you with the current pH level of your soil, allowing you to determine the necessary adjustments.

Amending the Soil

sapoteImage source: Pixabay

Based on the soil test results, you can take the appropriate actions to adjust the pH level.

Lowering the pH (Acidic Soil)

If your soil is too alkaline, with a pH above 6.5, you’ll need to lower the pH to create the ideal conditions for your sapote plants. To do this, you can add elemental sulfur to the soil. For every 100 square feet of soil, apply 1 to 2 pounds of elemental sulfur per point below the desired pH of 5.5 to 6.5. Thoroughly mix the sulfur into the top 6 inches of soil.

Raising the pH (Acidic Soil)

If your soil is too acidic, with a pH below 5.5, you’ll need to raise the pH by adding lime to the soil. For every 100 square feet of soil, apply 5 to 10 pounds of lime per point above the desired pH of 5.5 to 6.5. Mix the lime into the top 6 inches of soil.

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Choosing the Right Soil Mix

When potting your sapote plants, it’s essential to use a high-quality commercial soil mix that is specifically formulated for fruit trees or citrus plants. These mixes typically contain the necessary organic matter and pH-balancing ingredients to provide the optimal growing conditions for your sapote plants.


sapote 2Image source: Pixabay

To maintain the proper pH and nutrient levels, apply a balanced fruit tree fertilizer or citrus feed in early spring and again halfway through the summer growing season. In the fall, mix 1-2 inches of quality compost into the top 6 inches of soil under the canopy of your sapote plants.

Monitoring Soil Moisture

Sapote plants prefer a moderately moist soil, but it’s important to avoid overwatering, as this can lead to fungal root diseases. Monitor the soil moisture regularly and adjust your watering schedule accordingly.


Prune your sapote plants in late winter, before the spring growth, to maintain an open shape and promote air circulation. Remove any dead, diseased, or crossing branches to ensure the plant’s overall health and vigor.

Pest and Disease Control

Regularly inspect your sapote plants for signs of pests or diseases. Use insecticidal soap sprays or fungicides containing chlorothalonil or neem oil to treat any infestations or diseases that may arise.

By following these steps, you can effectively balance the pH of your soil to create the ideal growing conditions for your sapote plants. Remember, maintaining the proper pH is an ongoing process, and you may need to adjust the soil amendments periodically to keep the pH within the optimal range.

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