Plants in genus rhododendron
Rhododendron 'George Taber'
This larger azalea variety produces clusters of showy, profuse pink blooms in early spring. It is an evergreen shrub with deep green leaves, making it great for hedges, screens, or mass plantings. The plant is named after George L Taber and retains its leaves throughout winter.
Rhododendron 'Gg Gerbing'
Rhododendron 'Gg Gerbing' is an evergreen shrub known for its large, bright white spring flowers and occasional rebloom in early to mid-fall. It grows up to 4-6 feet tall and wide, with yellow-green year-round foliage. This plant thrives in well-drained, slightly acidic soil and prefers partial sun to partial shade.
Rhododendron 'Fashion'
This deciduous plant features salmon-colored flowers and new leaves that emerge copper before turning dark green by summer. It grows to about 4 feet wide and 5 feet tall and is hardy in USDA zones 5-9. The plant prefers partial shade and acidic soil with a pH of 4.5-6. It is ideal for use as foundation plants, hedges, or border plants.
Rhododendron 'Roblen'
This plant produces white double blooms in spring, summer, and fall and is cold hardy to USDA zone 7. It tolerates full sun better than traditional azaleas and performs best in slightly acidic, well-drained soil.
Rhododendron 'Roblee'
Rhododendron 'Roblee' is an evergreen shrub that produces large, single white blooms with occasional purple stripes. It is cold-hardy down to USDA zone 6a and reaches a mature size of 4.5 feet in height and 4 feet in width. This plant requires 4-6 hours of direct sunlight and prefers well-drained, slightly acidic soil. It reblooms through summer and fall, with lush green foliage that matures to a deep dark green and bronzes to deep purple in winter. Regular watering and spring fertilization are recommended for optimal growth.
Rhododendron 'Red Ruffles'
Rhododendron 'Red Ruffles' is an evergreen shrub known for its ruffle-edged, bright red blooms and dense canopy of dark green leaves. It blooms in early to late spring and grows 3-5 feet tall and wide. This plant prefers full sun to partial shade and rich acidic soil, making it a showy addition to gardens in USDA zones 7-9.
Rhododendron 'Formosa'
This evergreen shrub is known for its rich, red-pink blossoms with darker blotches, blooming from early spring to midseason and again in early fall. It is a fast-growing, spreading type plant that can be planted in dappled shade. The plant is hardy and provides vibrant color in the garden.
Rhododendron 'Conlef'
This true dwarf variety produces bright, rich-pink blooms in spring, summer, and fall, with clusters containing 4-6 flowers. It has glossy, rich evergreen foliage with winter bronzing and grows to 3 feet tall and 3.5 feet wide. It is popular with hummingbirds and butterflies and is hardy from USDA zones 6a-10b.
Rhododendron 'Roblebo'
Rhododendron 'Roblebo' is an evergreen azalea with bright clear-red blooms that can rebloom up to three times a year. It grows to about 3 feet high and 3.5 feet wide, with a faster growth habit than other dwarf azaleas. This plant thrives in well-draining, slightly acidic soil and requires partial sun, making it a vibrant addition to gardens in USDA zones 6-10.
Rhododendron 'Autumn Majesty'
This evergreen shrub has dark green leaves and majestic purple flowers, thriving in grow zones 6-9. It grows 4-5 feet tall and wide, requiring filtered sunlight and evenly moist, well-draining soil. It blooms in spring, summer, and fall, and is hardy down to -5°F when established.
Rhododendron 'Conlec'
Rhododendron 'Conlec' is an award-winning evergreen shrub with large magenta-purple blooms that rebloom from spring to winter. It can bloom up to three times a year and features fuzzy, elliptic leaves. This plant thrives in well-draining, slightly acidic soil and requires regular watering after planting.
Rhododendron 'Conlep'
This is a reblooming azalea known for its pale pink blooms with raspberry centers and evergreen foliage. It thrives in USDA zones 6-10 and prefers full sun to partial shade. The plant grows to about 4-5 feet tall and 4 feet wide, and it blooms up to three times a year in spring, summer, and fall. It requires slightly acidic, well-drained soil and regular watering until established. The foliage is soft green, maturing to darker green, and it can tolerate cold temperatures down to zone 6b.
Rhododendron 'Roblew'
This plant produces bright white blooms with occasional pink flecks or stripes and reblooms in spring, summer, and fall. It requires slightly acidic, well-drained garden soil and full to part sun for the best bloom performance. Apply slow-release granular fertilizer for optimal growth.
Rhododendron 'Southgate Brandi'
Rhododendron 'Southgate Brandi' is a heat-tolerant shrub that expands the growing range of rhododendrons into the Deep South. It features magenta pink buds that bloom into white and fuchsia pink flowers in spring. This compact plant grows to 4 feet tall and wide, thriving in part to full shade and well-drained soil. It requires annual fertilization in spring.
Rhododendron 'Roblebe'
This evergreen shrub produces bi-color ruffled blooms with pink-red specks in spring, summer, and fall. Its foliage turns deep green-purple in winter, and it has a compact intermediate growth habit. The plant requires slightly acidic, well-drained soil and full to part sun for the best blooms. Minimal pruning is required.
Rhododendron formosum
Rhododendron formosum is an evergreen shrub with rich lavender-pink blossoms and darker blotches. It blooms from early spring to midseason and sometimes again in early fall. This fast-growing plant is suitable for dappled shade and is known for its fragrant flowers.
Rhododendron 'Robleza'
Rhododendron 'Robleza' is an evergreen shrub with deep red blooms and darker crimson spots. It features semi-double and single flowers, blooming from spring to fall. The plant is pest and disease resistant, with foliage that turns deep purple-bronze in winter. It grows to about 2.5 feet tall and 3 feet wide, thriving in slightly acidic, well-draining soil.
Rhododendron 'Gumpo White'
This dwarf variety produces large white blooms in late spring and has evergreen foliage. It is cold hardy and ideal for cottage gardens, woodland settings, and spring flower gardens. The plant is low-growing, suitable as ground cover, and helps prevent soil erosion and weed growth. It thrives in partial shade and well-draining, slightly acidic soil.
Rhododendron 'Robled'
Rhododendron 'Robled' is an intermediate-sized shrub with large, dark pink blooms and a dense growth habit. It blooms in spring, summer, and fall, and is cold hardy to USDA zone 6b. This plant tolerates full sun better than traditional azaleas and requires slightly acidic, well-drained soil.
Rhododendron 'Southgate Radiance'
This plant features intense lavender-pink buds that open to snowy white and magenta blooms. It has dark green, elongated, oval-shaped leaves and a slow growth rate, reaching a mature height of 4-5 feet. The plant is hardy from USDA zones 6-9 and is more heat tolerant than traditional Rhododendrons. It performs best in part sun to shade and requires slightly acidic soil with good drainage.
Rhododendron 'Conled'
Rhododendron 'Conled' is a dwarf azalea that produces pink blooms with dark pink flecks throughout spring, summer, and fall. This compact, low-maintenance shrub grows well in large pots and requires slightly acidic, well-drained soil. For optimal bloom performance, it should be planted in full to part sun. Its ability to thrive in containers makes it a versatile choice for various garden settings.
Rhododendron 'Robleb'
This plant produces 3-inch single red blooms in spring, summer, and fall and is cold hardy down to USDA zone 6b. It tolerates full sun better than traditional azaleas and performs best in slightly acidic soil with organic matter. Fertilize in spring with slow-release granular fertilizer for optimal growth.
Rhododendron 'Roblec'
Rhododendron 'Roblec' is a hybrid shrub known for its coral flowers with white accents, blooming in early spring and fall. It attracts pollinators like bees and butterflies and grows to a mature size of 3-4 feet tall and wide. This evergreen shrub prefers partial sun to shade and requires slightly acidic, well-draining soil.
Rhododendron 'Southgate Breeze'
Rhododendron 'Southgate Breeze' is an evergreen shrub known for its blush pink buds and powder-white blossoms with berry red blotches. It grows slowly to a mature size of 4-5 feet in height and width and is more heat tolerant than traditional rhododendrons. This plant prefers part sun to shade and slightly acidic soil with good drainage, making it a versatile choice for various garden settings.
Rhododendron 'Hino Crimson'
This short shrub features fiery red flowers that appear in mid-spring and last until summer. Its foliage stays green in summer and turns bronze and red in fall. The plant grows best in partial shade and prefers moist, humus-rich acidic soil that drains well. It grows 2-3 feet tall and 3-5 feet wide and makes a great container plant.
Rhododendron 'Autumn Starburst'
This evergreen shrub produces bicolor coral pink blossoms with bold white margins and has a massive initial spring bloom followed by 2-3 more reblooms before winter. It has glossy, rounded oval leaves and grows 3 feet tall and 3.5 feet wide. It is hardy from USDA zones 6a-10b and requires well-draining acidic soil.
Rhododendron 'Southgate Grace'
Rhododendron 'Southgate Grace' is a heat-tolerant shrub ideal for southern climates. It features large magenta buds that open to cotton white blooms with mulberry purple spots. The plant has emerald green elongated leaves and grows to a compact size of 4 feet by 4 feet. It flourishes in well-drained soil and part to full shade.
Rhododendron 'Southgate Splendor'
Rhododendron 'Southgate Splendor' is an evergreen shrub with medium pink buds that open to soft-pink blooms. It has dark green, elongated, oval-shaped leaves and grows to a compact size of 4-5 feet tall and wide. This heat-tolerant plant thrives in part shade to shade and prefers slightly acidic soil with good drainage.
Rhododendron 'Stewartsonian'
Rhododendron 'Stewartsonian' is a broadleaf evergreen shrub known for its spring flowers and chocolate-red foliage in fall and winter. This Gable hybrid attracts hummingbirds and butterflies and grows best in partial shade with acidic, well-draining soil. It reaches 4-5 feet in height and width, making it a dense, low-spreading addition to gardens in USDA hardiness zones 5 through 8.
Rhododendron 'Roblev'
Rhododendron 'Roblev' is a low-growing, evergreen shrub with bright white blooms and glossy, pointed foliage. It reaches a mature size of 2.5 feet in height and 3 feet in width, thriving in USDA Zones 7-10. This plant requires acidic soil with good drainage and benefits from supplementary watering during drought.