Walnut 2026

Walnut trees do lose their leaves, and it’s a completely normal part of their yearly cycle.   If you’ve ever wondered whether walnut trees lose their leaves, the short answer is yes, and they actually put on quite a show while doing it.   Like most deciduous trees, walnut trees shed their leaves in autumn … Read more

Walnut trees have deep roots, and that’s one of the biggest reasons they’re both admired and feared by gardeners and homeowners alike.   If you’ve ever wondered, “do walnut trees have deep roots?”, the short answer is yes—they develop a strong, expansive root system that reaches far down into the soil.   This deep rooting … Read more

Walnut trees can kill other trees, and this is not just a myth or an old gardener’s tale.   If you have a walnut tree in your yard and you’ve noticed other plants struggling or dying nearby, you’re probably witnessing a real phenomenon called allelopathy.   Black walnut trees especially are notorious for this.   … Read more

Walnut trees do have sap, and it plays a vital role in keeping the tree healthy, hydrated, and productive.   If you’ve ever parked under a walnut tree and noticed sticky droplets on your windshield, that’s often a mix of sap and other substances the tree releases.   Walnut sap isn’t quite the same as … Read more

Walnut trees do have thorns, but not in the way you might expect.   If you’ve ever brushed against a walnut tree and felt a sharp poke, you’re not imagining things.   The truth is that some walnut trees have thorns, or at least what looks and feels like thorns, while others don’t.   It … Read more