Manchurian Walnut vs Yamhill Hazelnut

Manchurian Walnut is a large, broad and often multi-stemmed tree with ornamental qualities. This tree produces large, thick-shelled nuts that ripen in the fall. These edible walnuts are reportedly difficult to crack open. They are useful for attracting wildlife, especially squirrels.

The Manchurian Walnut contains and exudes much lesser quantities of allelopathic compounds, such as juglone (common to walnuts), that may prevent or impair growth of nearby plants. Therefore, it is commonly embraced as a safe walnut to plant.

There are reports of rare this species surviving winters to -45C with specimens growing and thriving in Alaska and Edmonton.

There is no regular supply of this species. It is rare and not produced each year.

The Yamhill Hazelnut is a tasty, relatively cold hardy hazelnut that is a popular European variety.

It is known to be a strong grower and has moderate eastern filbert blight resistance. It is a suitable pollinizer for the York Hazelnut and European Hazelnut.

Introduced by Oregon State University, The Yamhill Hazelnut is used by Ferror Roche for their candy and chocolate spread desserts.

Not all hazelnuts pollinate with each other so it is important to pick the correct pollination pairs. Two compatible varieties of hazelnut are required to produce nuts. Nuts will only be produced once maturity is reached, around 2-3 years.

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