Garden Myths - Learn the truth about gardening

Posts tagged Juglone

Walnuts, Juglone and Allelopathy

The common statement “nothing grows under walnut trees” is not true. “Walnuts produce juglone”, is not entirely true either. “You need to compost walnut wood chips before using them in the garden”, is false. “The allelopathic properties of walnuts are well understood” – definitely not true.

This is a popular subject that is routinely discussed and written about, but the truth around walnut trees is anything but clear.

Black Walnut - Walnuts, Juglone and Allelopathy

Black Walnut – Walnuts, Juglone and Allelopathy

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