Why are there no fruit on orange and grapefruit trees?

10 years ago

My father is a snowbird in Mesa, Arizona. He has a park model in a senior RV park. He has a large lot with 5 citrus trees and 9 palm trees. There is a drip irrigation system that worked all year while he was not in Arizona. Anyway, he arrived in Mesa last Saturday only to discover that there are NO fruit on his navel orange tree, none on his valencia tree and none on his ruby red grapefruit tree. His 2 lemon trees are loaded with fruit.

The trees were not pruned since they last had fruit last spring.

Was there a storm of some kind while the blooms were fresh and knocked them off the trees? I guess that would mean the lemon trees had not yet bloomed.

This is my first time posting.

I would appreciate any ideas about these trees.

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Comments (4)

Dave in NoVA • N. Virginia • zone 7A
10 years ago
I'd ask some of the neighbors who have trees if they got similar fruit.

Or ask them if they tasted good! LOL!

Possibly critters? Late frost?
John1105
Original Author
10 years ago
He does not have any immediate neighbors with citrus trees, but there are some about a block away. I don't know why I did not ask about them.
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greenman28 NorCal 7b/8a
10 years ago
Look at the weather for the bloom period of those trees. Was it particularly cold?

As Dave said, perhaps someone came and harvested the fruit...not knowing if it was ripe or not.

Josh
johnmerr
10 years ago
Insufficient data. Did the trees have fruit earlier in the year, and now is gone? Does anyone see these trees during the year? Who cares for them, fertilizes them, checks for pests??? Human "predators" and rats like oranges and grapefruits, but not so much lemons. The exception is the Meyer lemon; for my garden lemons, if I don't control the rats, I will lose lemons. Can we get photos, or more information about the age and size and fert. program?