This description on he
http://web.reed.edu/trees/TreePages/PRUN.html
sounds likely. The leaves do come out green and then turn maroon
later on.

Prunus virginiana `Schubert'
Schubert Choke Cherry

Thanks, I can see that I need to be more diligent with keeping the
suckers down.
Cynthia

either live with the tree and its suckering by mowing those that invade
the lawn and pruning out those in the planting beds or remove it.

pam - gardengal