How to Fertilize Avocado

When Should I Start Feeding My Avocado Tree?

How Often Should I Fertilize My Avocado Tree?

Feed your avocado tree every 4 to 6 weeks during the growing season, from spring through early fall. Young trees (under 3 years) benefit from more frequent, lighter feedings because their root systems are still developing.

In early fall, taper to one last feeding at half strength. Stop fertilizing entirely by mid-fall. Avocado trees go semi-dormant in winter, and excess nutrients during this period can stress the roots and attract salt damage.

Pale or yellowing leaves with green veins often signal an iron or zinc deficiency rather than a lack of nitrogen. If you see this pattern, add a trace mineral supplement alongside your regular fertilizer.

What Is the Best Fertilizer for Avocado Trees?

Avocado trees are heavy nitrogen feeders, especially during their first few years of growth. The ideal fertilizer has an NPK ratio weighted toward nitrogen, such as 6-4-6 or 10-5-8. Just as important, it should include zinc and iron, two trace minerals that avocados are commonly deficient in.

A citrus and avocado fertilizer is your best bet. These formulas are designed with the right nutrient profile for subtropical fruit trees. Granular slow-release types work well for in-ground trees because they feed steadily over several months.

For young trees or container-grown avocados, a diluted liquid fertilizer gives you more control over the dose. Start with half strength and increase to full strength once the tree is established and actively growing.

How Do I Fertilize My Avocado Tree?