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Best Plant Food for Citrus Trees: Feed for Fruit, Flowers & Foliage

Citrus trees are a beloved addition to Australian gardens, thriving in temperate and tropical climates. Whether you’re growing lemons, oranges, mandarins, or limes, the key to producing healthy fruit and foliage lies in providing the right nutrients. Citrus trees are heavy feeders, and using the best plant food can transform your tree into a productive, vibrant plant.

To ensure your citrus trees grow strong, produce bountiful fruit, and have vibrant leaves, it’s important to choose a plant food specifically formulated for their needs. Let’s explore how citrus trees grow and why selecting the right plant food is crucial for their success.

How Citrus Trees Grow

Citrus trees have a distinctive growth cycle that requires specific nutrients at each stage of development. Here’s how they grow throughout the year:

Spring: Flowering begins after the tree has rested through the cooler months, and new growth emerges.
Late Spring to Summer: Fruit sets and starts to mature, requiring high potassium and adequate water for development.
Autumn: Time for harvesting, followed by preparation for the dormant period where growth slows down.
Winter: Minimal growth occurs, with the tree focusing on root and branch development.

Nutrient Needs of Citrus Trees

To support the natural growth cycle of citrus trees, they require a mix of macronutrients and trace minerals. The key nutrients for citrus trees include:

Nitrogen (N): Promotes vigorous leafy growth and healthy green foliage.
Phosphorus (P): Supports strong root development and flower bud formation, essential for healthy fruit production.
Potassium (K): Aids in fruit development, enhancing fruit size, sugar content, and overall taste.
Magnesium (Mg): Ensures the production of chlorophyll, supporting photosynthesis and green leaf color.
Trace Elements (Iron, Zinc, Manganese, Copper, Boron): Essential for nutrient uptake and tree health. These help prevent leaf yellowing and other common citrus issues.

Without the proper plant food that includes these vital nutrients, citrus trees can struggle with poor flowering, small fruit, and unhealthy growth. To avoid these issues, using the right plant food is essential.

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Complete Grow Citrus Plant Food – The Best Choice for Your Citrus Trees

Complete Grow’s Citrus Plant Food is specially formulated to meet the unique nutritional requirements of citrus trees. It’s a potassium-rich formula that supports flowering, fruit set, and healthy fruit development, providing exactly what your tree needs during critical growth stages.

The NPK ratio of 6-2-12 ensures your citrus trees receive the nutrients necessary for strong, vibrant fruit growth. Here’s a closer look at what this plant food offers:

6% Nitrogen: Supports healthy leaf development and general growth, providing the energy your tree needs to produce strong leaves.
2% Phosphorus: Encourages root development and supports flower initiation, essential for fruit production.
12% Potassium: A higher concentration of potassium promotes strong fruiting, ensuring your citrus trees produce large, flavorful fruits.
Trace Elements: Includes essential micronutrients like chelated iron, zinc, and manganese, vital for overall tree health and nutrient absorption.

Our citrus plant food is ideal for all citrus varieties, including lemons, limes, mandarins, oranges, and grapefruit. It works effectively for both in-ground and potted trees, ensuring your trees receive consistent feeding without the risk of over-feeding.

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How to Use Citrus Plant Food for Maximum Effectiveness

To get the best results from Complete Grow Citrus Plant Food, it’s important to apply it correctly at the right times. Follow these simple steps for optimal growth and fruit production:

1. Apply During the Growing Season

Apply Complete Grow Citrus Plant Food during the growing season, typically from spring to early summer. Fertilize once every 4-6 weeks to maintain consistent nutrient levels as the tree goes through its growth and fruiting phases.

2. Dilute the Plant Food Properly

Follow the instructions on the product label for the correct dilution rate. Typically, you’ll need about 4 ml of plant food per litre of water. Be sure to mix it well so it’s evenly distributed when applied to the soil around the root zone.

3. Water Well After Application

After applying the plant food, water the tree thoroughly. This helps to flush the nutrients into the root zone and ensures the tree can absorb them effectively. Keep the soil moist but avoid waterlogging.

4. Monitor Tree Health

After applying plant food, keep an eye on your citrus tree for signs of healthy growth. Look for vibrant green leaves, strong stems, and improving fruit quality. If you notice any negative effects such as leaf burn, adjust the amount of plant food used or the frequency of application.

5. Protect the Root Zone with Mulch

To further support your citrus tree, apply a layer of organic mulch around the base. Mulch helps retain moisture, improves soil structure, and regulates temperature. Just ensure the mulch doesn’t touch the tree’s trunk to avoid rotting.

By following these steps, you’ll give your citrus trees the best possible care, ensuring they produce healthy, vibrant fruit year after year. A potassium-rich plant food like Complete Grow Citrus Plant Food will support your trees through every season.

Shop Complete Grow Citrus Plant Food here.