Plumleaf azalea (Rhododendron prunifolium), a deciduous azalea native to Georgia and Alabama, is a particular summer favorite (USDA hardiness zones 6-9). It’s hardy even in Boston, NY City, and Philadelphia. Its bright orange-red blooms surprise in late July to early August. Compared to many fragrant spring blooming native species, flowers emit no scent. Its autumnal […]