Joanna that is a rhizome so don't bury it. It should have the top above ground as instructions show. The roots are below ground. The Iris Society of MA will have their show on May 28 Memorial Day at the Harvey Wheeler building in Concord MA. see our web site. ISM. for directions. Why not visit. We will give all sorts of news although most of the irises will be bearded ones at that time of year. Ask some of the members & says you are new to the plants.