Orono, Maine — University of Maine Cooperative Extension will offer a webinar for home gardeners on selecting resilient perennials from 6 – 7:15 p.m. on Wednesday, April 9. Herbaceous perennials support wildlife and pollinators while adding beauty to home gardens. As long-term investments, perennials can also be affected by fluctuations in temperature, rainfall and snowfall. read more UMaine Extension presents webinar on perennial gardening April 9