Updated: April 19, 2023

Citrus plants are a popular addition to many gardens and landscapes. They are known for their delicious fruits, beautiful evergreen foliage, and fragrant flowers. However, like any other plant, they require proper care and maintenance to thrive. One of the most important aspects of citrus plant care is fertilization. In this guide, we will provide you with all the information you need to fertilize your citrus plant effectively.

Why Fertilize Citrus Plants?

Fertilizing your citrus plant is essential because it provides the necessary nutrients for healthy growth and fruit production. These nutrients include nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Without sufficient nutrients, your citrus plant will struggle to produce healthy leaves, flowers, and fruits.

Fertilization also helps your citrus plant resist diseases and pests. A well-nourished plant is more resistant to pests and diseases than a weak one.

When to Fertilize Citrus Plants

The best time to fertilize your citrus plant is in the spring when it starts to grow new leaves and flowers. You can also fertilize in the fall to promote root growth before winter.

It’s important not to fertilize during the winter months when the plant is dormant. During dormancy, the plant does not need fertilizer and may be harmed by it.

Types of Fertilizer for Citrus Plants

There are three main types of fertilizer for citrus plants: granular, liquid, and slow-release.

Granular fertilizer is a solid form of fertilizer that is sprinkled around the base of the plant. It releases nutrients slowly over time as it dissolves in water.

Liquid fertilizer is a concentrated liquid that is mixed with water before application. It is absorbed quickly by the plant roots and provides an immediate boost of nutrients.

Slow-release fertilizer is a type of granular fertilizer that releases nutrients slowly over several months. It is convenient because it does not require frequent applications.

How to Fertilize Citrus Plants

Before fertilizing your citrus plant, make sure the soil is moist. Dry soil can cause fertilizer burn, which damages the plant’s roots and leaves.

To apply granular fertilizer, sprinkle it around the base of the plant, following the instructions on the package. Water the soil thoroughly after application to help the fertilizer dissolve and reach the roots.

To apply liquid fertilizer, mix it with water according to the instructions on the package. Pour the solution around the base of the plant and water thoroughly.

To apply slow-release fertilizer, follow the instructions on the package for timing and amount. Sprinkle it around the base of the plant and water thoroughly.

Common Problems with Fertilizing Citrus Plants

Over-fertilization can be harmful to your citrus plant. It can cause root burn, yellowing leaves, and stunted growth. It’s important to follow the instructions on the fertilizer package and not to exceed the recommended amount.

Under-fertilization can also be a problem. If your citrus plant is not producing healthy leaves or fruits, it may need more fertilizer.

FAQ

Can I use regular garden fertilizer on my citrus plant?

No, regular garden fertilizers may not have the correct nutrient balance for citrus plants. Use a fertilizer specifically designed for citrus plants.

How often should I fertilize my citrus plant?

Citrus plants should be fertilized every 4-6 weeks during the growing season (spring and fall). Slow-release fertilizers can be applied less frequently.

Can I fertilize my citrus plant during winter dormancy?

No, it’s best to avoid fertilizing during winter dormancy as the plant does not need nutrients at this time.

How much fertilizer should I use?

Follow the instructions on the fertilizer package for the correct amount to use based on the size of your citrus plant.

Can I use organic fertilizer on my citrus plant?

Yes, organic fertilizers can be used on citrus plants. They provide slow-release nutrients and improve soil health.

In conclusion, fertilizing your citrus plant is essential for healthy growth and fruit production. Follow the instructions on the fertilizer package, water thoroughly after application, and avoid over-fertilization. With proper fertilization, your citrus plant will thrive and provide delicious fruits for years to come.