Summersweet (Clethra alnifolia, Zones 4 to 9) A trustworthy summer bloomer that beckons butterflies and hummingbirds. Grows in full sun to partial shade. Blooms emerge in midsummer; even when the flowers fade, you’ll get pretty fall color from the foliage. This is one unfamiliar shrub you’ll want to take a chance on. Favorites: Hummingbird Summersweet is a cultivar with wonderful fragrant flowers and compact growth and hummingbirds will flock to your yard for its abundant blossoms.
David Stuart lists his top 10 scented wonder plants
Fushia Whiteknights Pearl is a hardier, upright bush tall with slim, pale pink blossoms that glow against the dark green foliage. Zone Best mulched in winter in Zone Blooms Jul-Sep in Full or part Sun.