ST. PAUL -- With the threat of emerald ash borer potentially killing ash trees in Minnesota, homeowners must begin planning for the future and plant a more diverse selection of tree species in their ...

The dark foliage of conifer trees dominates much of our landscape. It gets to be a bit overwhelming at times, so I’m always glad when spring leaf-out brings fresh, bright greens of the deciduous tree ...

In elementary school, most of us learned the basic differences between deciduous and coniferous trees. Deciduous trees have leaves that change color and drop in the fall, and coniferous trees have ...

Leaves – deciduous, odd-pinnately compound, 13-17 inches long, tapered, and alternately arranged in 11-17 finely toothed, hairless leaflets; leaflets are 2-4 inches long and ⅝-1 inch wide. Twigs – ...

Q: We have an old green ash tree. About 75 percent of the tree's branches on the north side are dead (brittle and void of leaves). The rest of the branches are healthy. It has good protection from the ...

Until now, owners of homes and businesses in south-central Minnesota could mostly choose to worry later about emerald ash borers. They may have heard about the infestation of the ash-killing bugs ...