We can answer both questions. For more information on perennials, come join the group when we meet. More info will be sent out as we are just getting started. For grass seed, there is a specific blend created for shady lawns. You can call me at 436-2845 at home. You must do this now as the season for starting grass seed is about to end. It ideally should have been started in April, but if you do it immediately, and water daily, you may still have time.