What Is Allelopathy?

When a plant produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other plants. A common Allelopathic plant in North America is Black Walnut.

photo of a black walnut tree

Allelopathy isn’t always negative as the biochemicals produced can sometimes work to benefit an ecosystem by inhibiting the growth of invasive species. A proper permaculture design can implement Allelopathic plants into the whole system design for this benefit and food production.


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