Leopard plant (Farfugium japonicum) grows 1-4 feet tall and 1-3 feet wide in zones 7-10 with part to full shade and slightly damp soils. It has fast-growing yellow flower spikes in spring and glossy bean-shaped leaves
Rose mallow (Hibiscus moscheutos) grows 3-7 feet tall and 2-4 feet wide in zones 5-9 with full to partial sun and moist soils and blooms white, pink, crimson, or burgundy. It is good for rain gardens.
Red hibiscus (Hibiscus coccineus) has striking red summer flowers, thrives in zones 5-9 with full sun to partial shade and moist, wet soil, growing 6-8 feet tall and 2-3 feet wide.
Candy corn plant (Cuphea micropetala) displays orange and red flowers in fall, thrives in zones 8-11 with full sun and moist, well-draining soil, growing 1-4 feet tall and 1-2 feet wide.
Joe Pye weed (Eutrochium maculatum) grows 4-8 feet tall and 2-4 feet wide in zones 4-8 with full sun to partial shade and moist to occasionally damp soil. It flowers pink or purple from summer to fall, attracting pollinators.
Heuchera 'Ginger Peach' grows 4-8 feet tall and 2-4 feet wide in zones 4-9 with full sun to partial shade and wet to occasionally damp soil. Ruffled leaves transform from peach to coral to copper to rose.
A low-growing plant with purple flowers from spring to fall, rose verbena (Verbena canadensis) grows 18 inches tall and 12-24 inches wide in zones 6-10 with full sun and well-draining soil.
Growing 16 inches tall and 16-20 inches wide, Mt. Hood shasta daisy mounds and blooms all season in zones 4-10 with full sun and healthy, well-draining soil.
Agastache 'Pink Pearl' forms a compact mound of soft pink flowers attracting pollinators, thriving in zones 4-9 with full sun and well-draining soil, reaching full size by July.