Black Walnut Hull Toxicity: Juglone Effects on Plants, Not Human Anaphylaxis

Juglone Facts

Green hulls don't cause anaphylactic shock. Nut allergy is separate. Juglone evolved vs. insects, not humans. Fishermen use hulls to stun fish.

Black walnut hulls contain juglone toxic to certain plants, not anaphylactic to humans. Nut allergy is distinct from juglone exposure.

Trees: Leaf Spots on Young Black Walnut: Harmless Fungi or Galls; Planting After Black Walnut Removal: Is the Soil Safe After 8 Years?; Black Walnut Sawdust Dog Toxicity: Mold Risk, Not Juglone; Black Rot on Grapes/Apples: No Threat to Walnut Trees; Planting Hybrid Maples Near Black Walnut: Juglone Tolerance; Black Walnut Husks with Maggots: Nuts Are Still Edible; Black Walnut Toxicity: Why Camellias Fail Under Juglone; Identifying and Managing Walnut Husk Maggots and Flies; Growing Grass Under Black Walnut Trees: Tolerant Species by Region; Black Walnut Allelopathy: Juglone-Sensitive and Tolerant Plants for Your Landscape

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