Home » Art of Plants » Park Sign Project Plant Signs – North Mississippi Regional Park, Minneapolis North Mississippi Regional Park sign map Smooth sumac fall sign North Mississippi Regional Park purple coneflower sign North Mississippi Regional Park thimbleweed sign North Mississippi Regional Park bee balm sign North Mississippi Regional Park prairie smoke sign North Mississippi Regional Park “Nature Box” banner (north-facing) North Mississippi Regional Park “Nature Box” banners (south-facing) Plant Signs – Lyndale Park Peace Garden, Minneapolis red oak sign fall-winter sign Lamb’s ear summer sign Wild columbine spring sign Spiderwort summer sign (Butterfly & Hummingbird Garden)