John M

Black walnut trees are deciduous, which means they shed their leaves every year when the growing season ends.   If you’ve ever wondered whether black walnut trees are deciduous, the short answer is a resounding yes.   These trees follow the classic deciduous cycle, dropping their foliage in autumn and growing a fresh canopy each … Read more

Black walnut shells are toxic to dogs, and this is one of those backyard dangers that catches a lot of pet parents off guard.   If you’ve ever watched your dog sniff around the fallen nuts under a black walnut tree, you might have wondered whether those hard shells could cause a problem.   The … Read more

Black walnut leaves are good for compost, but they come with a catch that every gardener should understand before tossing them into the pile.   The biggest concern with black walnut leaves is juglone, a naturally occurring chemical that can harm certain plants.   The good news is that composting black walnut leaves can actually … Read more

Black walnut shells are poisonous to dogs.   They contain a toxin called juglone, which is most concentrated in the shells, hulls, and roots of the black walnut tree.   If you’ve been wondering, “Are black walnut shells poisonous to dogs?”, the short answer is yes, and it’s a serious concern every dog owner should … Read more

Black walnut leaves are toxic to dogs, and this is something every dog owner with these trees nearby should take seriously.   The toxicity comes primarily from a compound called juglone, which is found in black walnut leaves, bark, husks, and nuts.   If you’ve been wondering whether black walnut leaves are toxic to dogs, … Read more

Black walnut leaves are toxic to horses, and this is one of those things every horse owner should know about.   If you’ve ever wondered whether black walnut leaves are toxic to horses, the short answer is yes, and the danger is real.   The toxicity comes from a compound called juglone, which is found … Read more