We love the vibrant colors of maple trees in the fall. These deciduous beauties bring not only great color but also a recognizable leaf shape and (our favorite) whirlybird seeds that helicopter their ...

Q. My maple tree has black spots on the leaves that just appeared recently. Should I be concerned about this? What should I do? A. Sometimes wet conditions earlier in the season can cause problems ...

Anthracnose is a common spring disease on maple trees common in the landscape including red (Acer rubrum), silver (Acer saccharinum), sugar (Acer saccharum) and Japanese (Acer palmatum) maples.

Our often-wet springs bring with them the perfect conditions for many plant diseases. While moist weather can create conditions for diseases on many plants, sick trees in the landscape tend to draw ...

Diseases are among the major causes of tree mortality in both forests and urban areas. New diseases are continually being introduced, and pathogens are continually jumping to new hosts, threatening ...

West Fargo homeowner Glenn Thompson noticed some unsightly yellow coloring around his evergreen spruce tree needles last year and called arborist Dan Olson to check on the problem. "There was ...