Reviewing the wild world of evergreens can help gardeners and homeowners care for and maintain their landscapes.

Did you know that many parts of common trees like the leaves, flowers and needles are edible? Here's a look at different species, including some that you should avoid at all costs.

The spruce was chosen in 1978 and planted as the official living White House Christmas tree and is the state tree of both Utah and Colorado. Scotch Pine Barb / Flickr / CC BY 2.0 ...

Stick to pine, fir and spruce trees. Cedar, cypress and especially yew trees should be avoided because they can be toxic or inedible. Beware trees sold at grocery stores or in parking lots that ...