Liriodendron tulipifera 60-90' × 30-50'. Also called Tulip Poplar. Highly ornamental shade tree. Large tulip-like flowers attract hummingbirds. Native to eastern U.S. Z4/5.
Verbena hastata 5-7' tall. Native wildflower with vibrant blossoms is a great pollinator plant. Used as a nervous-system tonic and mild sedative. Thrives in wet places. Z3.
Verbena stricta 12-48" tall. North American native. Attractive to pollinators, most notably the Buckeye butterfly. Birds will devour the seeds! Blooms June through August. Z3.
Viburnum prunifolium 12-15' × 8-12'. Rounded shrub with creamy white cymes in early spring. Suckering habit, but can be pruned. Bluish-black edible fruit clusters in fall. Z3.