Rhododendron ‘Ramapo’

Purple azalea bush blooming in sunny garden
Close-up of gray-green shrub leaves and buds

Rhododendron ‘Ramapo’ is a compact, small-leaved dwarf azalea prized for its tidy habit and vibrant purple blooms in May. This slow-growing evergreen forms a dense, rounded mound, adding refined structure and reliable spring color to smaller garden spaces.

Growing just 2–4 inches per year, it reaches approximately 18 inches tall × 24 inches wide in 10 years, making it an excellent choice for containers, rock gardens, troughs, and even bonsai culture. Its petite foliage provides year-round texture, while the rich purple flowers offer a striking contrast in late spring.

Hardy in USDA Zones 5–8, ‘Ramapo’ performs best in part shade with well-drained, acidic soil. Its naturally compact form requires minimal pruning and maintains an elegant, low-growing presence in the landscape.

Overview

Common Name: Ramapo Dwarf Evergreen Azalea

Annual Growth Rate: 2-4''

Shape: Low, dense, rounded mound

USDA Zone: 5-8

10-Year HxW: 18x24''

Sun Needs: Part Shade