Orange Trees
Q.

Oranges falling off tree

Zone 32137 | [email protected] added on September 18, 2018 | Answered

We have a 3-4 yr. old Valencia orange tree. It has a couple dozen oranges right now. We have 1-2 lime sized oranges fall off every few weeks. The yare certainly not ripe. Any ideas?

A.
A.Answers to this queston: Add Answer
drtreelove
Certified GKH Gardening Expert
Answered on September 19, 2018

Water deficit (drought stress) and/or nutrient deficiency are the most common reasons for this. The tree will naturally drop the fruit that it cannot support to maturity with available water and nutrients. The way to help the tree retain the most fruit until they ripen, is to provide adequate water and soil fertility. Mulching the soil surface can help to retain soil moisture.

Sometimes some natural thinning of fruit, especially for a young tree, is not all bad. Excessive weight of a heavy fruit load can cause branch breakage. And the fruit that remains to mature and ripen will be larger and better quality than with a lot of competition for water and nutrients.

Here's an example of a slow release organic fertilizer: https://www.downtoearthfertilizer.com/products/blended_fertilizer/citrus-mix-6-3-3/

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