lroche1948
I cheated and looked at a street view map of Windsor, Colorado.
Since yours is a new home I'm gonna start with the assumption that your new home is in a new subdivision. My suggestion would be to take a drive to the older subdivisions with homes similar in style to your own and see how the trees have matured. Don't forget to take into consideration the type of roots a tree has. Some types of trees are a danger to house foundations and to concrete sidewalks.
The bench idea sounds nice. I would put the flowers that attract bees not too near the seating area. That way you can enjoy the flowers without interrupting the bees as they work.
Is your yard flat or sloped? Did you have a color scheme in mind for the flowering plants?