Grapefruit Trees
Q.

Grapefruit tree

Zone 85718 | Eeigen1 added on October 25, 2017 | Answered

I live in AZ and for years I have had big beautiful grapefruit ready in November. This year they are small and still green. Why would that be?

A.
A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on October 27, 2017

The two most common causes for this condition are: Too much nitrogen fertilization, or not enough phosphorus. Often these problems are one in the same, and other times are not the real issue at all. Sometimes it is actually the pH of the soil that is off kilter.

Here is an article that will explain things in further detail: https://www.gardeningknowhow.com/edible/fruits/citrus/citrus-fruit-thick-rind.htm

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