Trees can have problems. Here are questions about issues affecting magnolia, hackberry and walnut trees, with answers from horticulturists at Iowa State University Extension and Outreach. Q: My ...

Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...

English walnut trees throughout Utah Valley have poor leaf-out and bare branches. Not all the branches that look dead are dead. Give the trees good care, remove branches that are truly dead, and give ...