Black walnuts can kill other trees, and this is not just an old gardening myth. If you’ve ever wondered, “Do black walnuts kill other trees?”, the short answer is yes, they can harm or even kill certain trees and plants around them. This happens because black walnut trees produce a chemical called juglone, … Read more
Black walnut trees do not produce walnuts every year. Instead, they often alternate between heavy harvests and light ones, which is a pattern known as alternate bearing. So if you’ve been asking, “do black walnut trees produce walnuts every year,” the short answer is no, and there are several natural reasons why. … Read more
Black walnut trees do not produce nuts every year. Instead, they often alternate between heavy nut crops and light ones, and this cycle can vary from tree to tree and region to region. If you’ve been asking, “do black walnut trees produce nuts every year?”, the short answer is no, and there are … Read more
Black walnut trees can poison the ground around them. Yes, black walnut trees poison the ground through a natural process called allelopathy, which is just a fancy way of saying they release chemicals that can harm or kill certain plants nearby. If you’ve ever wondered whether black walnut trees poison the ground, the … Read more
Black walnut trees can lose their leaves early, and it’s actually one of the first signs that something’s going on beneath the surface. If you’ve noticed your black walnut dropping foliage well before autumn, you’re not imagining things. While black walnut trees lose their leaves early for a few different reasons, the good … Read more
Black walnut trees can kill or seriously harm other plants, and this isn’t just an old gardener’s tale. If you’ve ever wondered do black walnut trees kill other plants, the short answer is yes, they can. The reason is a natural chemical called juglone that these trees release into the soil. This … Read more