Bring bright, early-season color to your landscape with Azalea × 'Delaware Valley White' (also known as Rhododendron 'Delaware Valley White'). This evergreen azalea forms a dense, multi-stemmed mound with attractive green leaves that hold through winter, adding structure when many shrubs are bare. In mid to late spring, clusters of tubular, funnel-shaped white flowers open over the plant, creating a clean, classic look that works beautifully in foundation beds, woodland edges, and mixed shrub borders.
For best results, plant your azalea in part shade such as dappled light or morning sun with afternoon shade. Consistent moisture and excellent drainage are essential; avoid low spots where water stands, and consider planting slightly high or improving the bed with organic matter if your soil is heavy. A layer of mulch helps keep the shallow roots cool and evenly moist while reducing temperature swings.
Expect a mature height around 24-36 inches with a broader spread, making it easy to tuck into smaller spaces or repeat in a mass planting. After flowering, you can lightly tidy the plant by removing spent clusters and making only minimal shaping cuts. With the right siting and soil, this evergreen azalea rewards you each year with dependable foliage and a crisp white spring display.