Proper pruning requires timing and technique, according to University of Illinois Extension Horticulture Educator Andrew Holsinger.

While a lot of trees should be pruned already, Holsinger says some evergreens could use a pruning in the late winter. 

Improper pruning can do way more harm than intended good. 

When you prune, you don’t have to chop off a ton of the branch, nor should you cut into every branch. 

Learn more at extension.illinois.edu. Holsinger appeared as a guest on the WTIM Morning Show.