Mulching trees; and a stack of new books

QUESTION: How should mulch be put around trees — piled high or spread even with the ground and good edging to keep water within? There are many good reasons to use mulch around trees in a landscape. It keeps the soil warmer in winter and cooler in summer; it helps the soil retain moisture; it [...]

Sweet surprise: sweet potato vines

QUESTION: The ornamental sweet potato vines I grew in large pots last summer produced potatoes – to my surprise! Can they be replanted to produce vines next year? Sweet potato vine (Ipomoea batatas) ‘Blackie’ Yes! The sweet potatoes that are grown for their ornamental vines don’t have much taste, but U.T. Extension agent David Cook [...]