How to Fertilise an Avocado Tree | Seasonal Feeding Tips

Fertilising avocado trees correctly is the key to strong growth, healthy leaves, and abundant fruit production. Knowing when and how to apply fertiliser prevents common problems such as nutrient deficiency, poor fruit set, and weak canopy development. This guide explains step-by-step how to fertilise avocado trees effectively.

When Should You Fertilise an Avocado Tree?

Avocado trees benefit from three main fertiliser applications each year, with additional light feeding for younger trees. Timing matters because it aligns fertiliser with the tree’s growth cycle:

Spring: Feed to support new growth and flowering.
Summer: Fertilise to sustain fruit development and canopy growth.
Autumn: Apply fertiliser to strengthen roots and branches before winter dormancy.

Tip: Avoid fertilising heavily in winter, as growth slows and excess nutrients may be wasted or harm roots.

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Seasonal Fertilising Schedule

Avocado trees respond best to fertiliser when it is applied at key points in the growing cycle. The timing of applications influences leaf growth, flowering, and fruit development.

Spring: Apply a balanced fertiliser to support new leaf growth and prepare the tree for flowering.
Summer: Continue feeding to sustain fruit set, canopy growth, and overall tree strength.
Autumn: Provide fertiliser to build root reserves and strengthen branches before winter.
Winter: Avoid heavy feeding, as growth slows during this period.

Tip: Regular, moderate feeds are more effective than large, infrequent applications. Over-fertilising can result in excessive leaf growth at the expense of fruit.

For consistent results, many growers rely on CompleteGrow 20L All Purpose NPK Liquid Plant Food. Its balanced formula supports healthy leaves, strong roots, and reliable fruiting across the growing seasons.

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Common Questions About Fertilising Avocado Trees

Correct fertilisation prevents many of the problems that limit avocado growth and fruiting. Below are answers to the most frequently asked questions.

How do you apply fertiliser to an avocado tree? Spread fertiliser evenly beneath the canopy, extending out to the drip line. Water in thoroughly to help nutrients soak into the shallow root system.

When should I fertilise avocado trees? The main feeding times are spring, summer, and autumn. Light applications at these stages provide the best balance of growth and fruiting support.

What fertiliser works best for avocado trees? A balanced liquid fertiliser with nitrogen, phosphorus, potassium, and trace elements is ideal. CompleteGrow All Purpose NPK Plant Food delivers the essential nutrients needed for strong, productive trees.

Can I use the same fertiliser year-round? Yes, provided it is balanced and applied at the correct times. Liquid fertilisers are especially effective for avocados, as they provide steady nutrition without overwhelming roots.

By following a seasonal feeding schedule and applying a balanced fertiliser consistently, avocado trees remain vigorous, resilient, and capable of producing generous harvests year after year.