For the last couple of years, I’ve been trying to buy a walnut tree. For a long time, I thought this would be impossible. It wasn’t the expense; my savings could stretch that far. The issue ...

To ensure the best possible planting conditions around a black walnut tree, incorporate organic matter, such as compost, into the soil before planting. Take care not to damage any tree roots while ...

The genetics behind the alternating sexes of walnut trees have been revealed by biologists at the University of California, Davis. The research, published in Science, reveals a mechanism that has ...