The Q&A Archives: Chinese Chestnut flowers but no fruit

Question: I have two Chinese Chestnut trees that were planted two years ago, about twelve feet tall, that have blossoms but no fruit. What can I do to get fruit?

Answer: If your trees are otherwise healthy, I suspect that inspite of their size, they simply are not mature enough to set fruit. As they mature, they will attain the ability to set fruit; there's nothing you can do except wait until that happens. Chinese Chestnut trees are monoecious, meaning they carry both male and female flowers on the same plant. The showy portions of the flowers are the creamy, filamentous male flowers, which shed pollen on the nearby female flowers. A few of the female flowers give rise to the unusual fruits, which are actually several nuts enclosed in a spiny husk. This husk splits open in autumn, releasing the tasty chestnuts which are flattened on at least one side.

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