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Persimmon tree not bearing #406541

Asked June 12, 2017, 4:35 PM EDT

Our persimmon tree which is now about four or five years old has had rather yellow leaves for the past two years and no sign of any fruit. We have fertilized it in the spring. We need some suggestions. Thank you.

Lane County Oregon

Expert Response

Thanks for your question about your persimmon tree.  A couple of questions:  do you know whether you have an American or an Oriental persimmon?  American persimmons have only either male or female 'parts.'  So you would need to have one of the opposite sex close enough that either pollinators (such as we have them) or the wind (unlikely) will carry pollen to the female.  Also, even if all the 'parts' are close enough, it can take persimmon trees 10 years to flower and bear fruit.  Has your tree ever produced a fruit?

What have you been fertilizing with?  Absent other problems, the nutrient that makes leaves green is nitrogen.    Have you had your soil pH checked?  (It should be between 6.5 and 7.5--7.0 is neutral, the pH of water.)  Too acidic a soil may have an impact.  

You might want to read this informational sheet from the California Persimmon experts to see if you might identify some other reason for the problems.

Hope to hear back from you!
An Ask Extension Expert Replied June 12, 2017, 5:18 PM EDT
It is a Fuyu (Jiro) variety  and the only  fertilizer that we used was an all purpose 20 2020 I believe .  I will check the pH 
The Question Asker Replied June 12, 2017, 5:48 PM EDT
You can purchase a cheap ($5) pH and nutrient test kit at most garden centers.  It's just a few vials with 4 different colored lids, each of which has a chemical you mix with the soil and water, and then compare the color to a chart that comes with the kit.  pH is usually pretty reliable; nutrient values a typically not too helpful.
An Ask Extension Expert Replied June 13, 2017, 4:59 PM EDT

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