My Hazelnut Tree Has Big Shell But The Nut Itself Is Very Small And Very Hard To Open.

Question

It is an American hazelnut and I planted it 8 years ago. It has been producing nuts for 4 years and it is very tall. I harvest the nuts early because the squirrels are having a feast. Thank you for your reply

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Answer 1

I would test soil fertility first. This article will help:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

If this shows that everything is within a reasonable range, then you may need another pollinator. Most hazelnuts don't produce well with just one tree around, though there should be some production.

This article will help you to care for the tree:

https://www.gardeningknowhow.com/edible/nut-trees/hazelnut/grow-hazelnut-trees.htm