Question
I am interested in planting a Autumn Blaze red maple and a sycamore trees.  What type of root systems are on these trees and how far should they be planted from a septic system?  If these trees are problems what fast growing shade tree would you recommend that would not cause problems with a septic system?

Answer
Both of these tree have a spread of about 40 feet meaning the branches and the majority of the roots will be 20 feet from the trunk. So 20 feet from any septic lines would be best. sycamore trees usually live in more moist soils than maples and tend to seek water. The newer septic lines are sealed and the roots are not really a problem for them. Any tree planted on a septic line could be a problem. I would try locating the lines and try to plant the trees at least 20 feet from the lines. Sewer lines are not a problem and you can plant either tree close to these lines.


It would be difficult not knowing your location to recommend a tree for your area. I would call the local office of the Agriculture Extension Service and ask them if they have a list of trees.  Here are some general suggestions.

The maple would be ok if you can get the distance from the lines.


Amur and paperbark maples grow to about 25 feet and exhibit good fall color. Upright columnar types of ginkgo trees, including "Fastigiata," "Lakeview" and "Princeton Sentry," are other options, along with yellow-blooming golden raintree, smoketree, European beech and European hornbeam. "Little Gem" southern magnolia, saucer magnolia and sourwood are also recommended. Good choices also include crabapple, crapemyrtle, Carolina cherry laurel, flowering and Kousa dogwood, and eastern and western redbuds.