Citrus trees have somewhat unique fertilizing requirements as they need a complete fertilizer with nitrogen, phosphorus and potassium in addition to a range of micro or trace nutrients including magnesium, manganese, copper and boron. Citrus fertilizers also use slow release nitrogen formulations to feed the tree lightly over time and not disrupt flowering and fruiting. To incorporate this need for slow release feeding, citrus fertilizers are usually granular in form and are applied lightly several times over the course of the year.
Organic Citrus Fertilizer
Espoma Citrus-Tone is an organic fertilizer designed for use on citrus and avocado trees. It contains a combination of slow and quick release nitrogen, phosphate, potash, calcium, magnesium and sulfur from organic materials including poultry manure, cocoa bean meal, bone meal, alfalfa meal and greensand. It has a guaranteed analysis of 5-2-6.
Synthetic Citrus Fertilizer
Scotts MiracleGro Shake 'n Feed Citrus Fertilizer can be used on citrus trees, palms, mangoes and avocados. It is a slow release granular formulation that combines chemically formulated nutrients including magnesium and iron in a 10-15-15 analysis. It is manufactured to dissolve slowly in the soil to feed the trees for up to three months at a time.
Fertilizer Tree Spikes for Citrus
Tree spikes are a common form of fertilizer for a range of trees and some prefer the ease of application to drive a few spikes into the soil versus spreading a granular formulation. Jobe's Fruits & Citrus Tree Spikes is a synthetic fertilizer product designed for fruit, citrus and palms that has a guaranteed analysis of 10-15-15 and has the added benefit of being used on your citrus and other fruit trees.
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