Black Walnut Tolerant Plants

We are no longer able to take plant orders for spring. Please check back in late July to place an order for our fall shipping period. Sign up for our Emails (a form is at the bottom of this page) to be notified as soon as we are restocked.

Black Walnut trees produce a chemical called hydrojuglone, which is found in the leaves, stems, fruit hulls, inner bark and roots. When exposed to the air or soil, hydrojuglone is oxidized into the chemical juglone. Juglone is toxic to a number of plants, but there are also many plants that are resistant to the toxins. The native plants in this category are compiled from a variety of reliable sources and from our own experience.  Note: Soil that is compacted, slow draining, or lacks sufficient healthy microbial growth, will have less success supporting plants under Black Walnut trees.

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