Avocado Fertilizer: Tips On How And When To Feed Avocados

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By Amy Grant

Fruiting trees, more than other types of trees, benefit greatly from fertilization. They are using a tremendous amount of energy producing fruit and need additional nutrients to create the largest, healthiest produce. Avocado trees are no exception. The question is when to feed avocados? Read on to find out how to fertilize avocado trees and what type of fertilizer to use for avocado trees.

Fertilizing an Avocado Tree

Avocados are shallow rooted trees with most of their feeder roots in the top 6 inches of soil. Because they are so shallow, care must be taken when working around them. Weeds and, most importantly, grass should be kept away from the rooting zone.

Avocado fertilizer should contain nitrogen, phosphorous and potassium (NPK) as well as other micronutrients. You can use a citrus tree fertilizer as an avocado fertilizer or go organic and use compost, coffee, fish emulsion, etc. The other important nutrient that your avocado fertilizer should contain is zinc, which you may want to add in once a year if your fertilizer does not contain it.

How to Fertilize Avocado Trees

So when to feed avocados? Wait for one full year before fertilizing an avocado tree. And then feed your avocados between February and November of their second year.

Avocados should be fed with ½ to 1 pound of nitrogen per tree per year. This can be spread out over several applications if you wish. If you’re using a commercial nitrogen fertilizer for avocado trees, apply a ¼-inch thick layer over the tree bed at the end of February. Then reapply the fertilizer every six months and water in well.

Test your soil between August and October to re-assess the amount of nutrients in the soil. Keep fertilizing every six months as above or use a ¼-inch layer of compost, fish emulsion or coffee grounds.

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