Add Yahoo as a preferred source to see more of our stories on Google. If you've got some oak trees you're hoping to prune as the weather warms up, the Michigan Department of Natural Resources (DNR) is ...

Winter is the perfect time to prune oak trees. Oak trees are special for many reasons: they’re Iowa’s state tree, they’re important to our ecosystem and — they shouldn’t be pruned during the spring ...

For the health of your trees, Department of Natural Resources officials are suggesting you get your oak pruning done by mid-March. Iowa DNR officials are trying to prevent the spread of oak wilt, ...

February is a good month to prune deciduous trees in many climates. As they are dormant, they suffer less stress from pruning, and there are fewer pests and diseases around at this time of year.