This week, Don Kinzler answers questions about a struggling Autumn Blaze maple tree, tips for planting a new hibiscus, and why this year's tomatoes may taste bland. Reader Eileen D. asks gardening ...

Q: We have a beautiful Autumn Blaze maple tree with a split trunk bark. We’re wondering if it’s dying and if there is anything to be done to save it. We’d sure appreciate any advice. — Cliff and Nancy ...