What plants grow well under black walnut trees? #224863 - Ask Extension

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What plants grow well under black walnut trees? #224863

Asked January 19, 2015, 2:37 AM EST

How large an area would be limited planting?

Tuolumne County Maryland

Expert Response

Walnut roots can extend in the soil well beyond the crown or drip line of the tree, affecting susceptible plants far from the black walnut. Many factors can contribute to this. Look at the publication from Virginia Tech for more information and a list of plants that may be planted around the black walnut and are tolerant to juglone: The Walnut Tree: Allelopathic Effects and Tolerant Plants.

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