Sep 9, 2004 · Walnut has some real toxic issues: - It's aleopathic. In normal folk english, it has natural herbicides (jugalone) that surpress the growth of other plants. Compost walnut dust and shavings before using as mulch. - It's a respiratory irritant. I speak from experience as an adult onset asthma patient.

Nov 25, 2004 · Black walnut has Juglone in the roots which is a growth inhibitor and effects surrounding plants. Any toxicity is related to skin sensitivity (allergic symptoms) and is individual specific. It is toxic to horses in the same way, but is known to cause laminitis as well (nearly anything can cause laminitis it seems).

Mar 21, 2021 · Black Walnuts wood & dust can have an unpleasant toxic surprise. Black walnut trees produce a toxic chemical called juglone, which can have an unexpected and unpleasant consequence for humans who come into contact with it.

Jun 12, 2003 · Hi Just a quick question this morning. Is black walnut a suitable wood (toxicity) for a butcher block ?? A friend of mine want to use that and maple, […]

Aug 17, 2022 · Walnut trees have developed the ability to suppress competing vegetation through various toxins found in the tree and its parts. We speak of “the art of medicine” and “the science of medicine.”

Mar 15, 2006 · Just made a cutting board of walnut scraps and I seem to remember that walnut is not recommended for animal bedding or garden mulch. Seems that some of the chemicals in the wood are toxic.

Jun 20, 2023 · Wood contains certain compounds, called extractives, that range from being benign to all humans, to allergy-inducing for some, to acutely toxic to all. A sensitivity or allergy can be endured to a point, while toxicity can, in the most extreme cases, end in organ failure and even death. This article will break down the science and terminology around these bioactive compounds in wood, identify ...

Dec 4, 2005 · Actually, walnut is highly toxic to some people, and is a proven carcinagin. A good dust collection system and a respirator (not a dusk mask) should be used. Hope that helps. Michael "wood Doc" Philipps

Jul 24, 2003 · A substance called "juglone" is the ingredient in walnut that causes problems for other plants, and for horses bedded in walnut shavings (kills the plants, causes laminitis in the horses which is as good as killing them).

Feb 12, 2003 · The root system (of the living tree) produces a substance called juglone (sp) which indeed toxic to plants in the tomato family as I recall. Walnut shavings are bad news for animal bedding/horse stalls (thank you Jamie). In short, use them with care.