Filed Under: Plants, Trees and Shrubs Tagged With: Andromeda Polifolia, Bog Rosemary, DIY, early Spring, evergreen, flowering shrubs, front yard makeover, garden, garden beds, gardeners, gardening, grass free front yard, landscaping, outdoors, Perennials, Pink flowers, shrublets, Spring flowers. Bloom Time: June to August. It has a lengthy lifespan but can take up to 10 years to reach maturity. It grows well even in zones 2 and 3. Bog Rosemary Blue Ice is an evergreen shrub that loves light and requires plenty of sunshine to thrive. When you have bog rosemary growing in a boggy spot in your backyard, youll find that it spreads quickly and requires little, if any, assistance. I live in Ohio do I need to cut this plant down after the frost. Bog Rosemary literally grows best in boggy areas of your garden, so think about those low, wet spots or an area that is constantly moist. Bog Rosemary, is a low,evergreenshrub or ground cover in the Ericaceae (blueberry) family. //-->, Contact me,