Plants in genus rhododendron
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 '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 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 '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 '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 '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.
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 '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 '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 '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 '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 indicum 'Formosa'
Rhododendron indicum 'Formosa' is a broad-leaved evergreen shrub with large lavender-pink blooms and a darker accent blotch. It blooms in late winter or early spring, attracting butterflies and hummingbirds. This plant is hardy in USDA zones 8 to 9 and thrives in full sun, maturing at 6-8 feet in height and width. It prefers slightly acidic, well-drained soil and requires moderate moisture.
Rhododendron 'Anah Kruschke'
Rhododendron 'Anah Kruschke' is a compact evergreen with vivid red-throated purple blooms. It is hardy in zones 5-9 and attracts bees, butterflies, and hummingbirds.
Rhododendron 'Roseum Pink'
Rhododendron 'Roseum Pink' is a broad-leaved evergreen that produces rosy-pink flowers in May, attracting pollinators and hummingbirds. Hardy in USDA zones 4-9, it grows 5-6 feet tall and wide, thriving in acidic, well-drained soil with partial shade.
Rhododendron 'Honey Butter'
Rhododendron 'Honey Butter' is an evergreen shrub known for its large, multi-colored trusses of yellow, orange, and pink hues. This plant attracts butterflies, bees, and hummingbirds, adding life to any garden. It grows up to 4 feet tall and wide, preferring partial shade and acidic, well-drained soil. Its exotic-looking blooms and broad-leaved foliage make it a standout choice for gardeners seeking vibrant color and wildlife attraction.
Rhododendron 'Ashley Marie Girard'
The Rhododendron 'Ashley Marie Girard' is a broadleaf-evergreen azalea known for its striking rose-red flower clusters and variegated foliage. It features bright green leaves edged in white, forming a small, mounded shape. This plant thrives in USDA zones 5 through 9 and is extremely hardy, requiring low maintenance. It prefers full sun to partial shade and well-drained, moderately moist soil. The azalea is notable for its large clusters of flowers and its ability to maintain vibrant foliage throughout the year. Pruning is recommended after flowering to maintain its shape.
Rhododendron 'Boursault'
Rhododendron 'Boursault' is an evergreen shrub known for its brilliant clear blue-violet petals with brick reddish or pale brown markings. It provides year-round garden structure and is cold-hardy in USDA zones 4 to 8. This plant grows 5-6 feet in height and 6-8 feet in width, attracting hummingbirds and butterflies. It prefers acidic soils with a pH of 4.5 to 6 and requires well-drained soil. Low maintenance with regular moisture, it should be pruned only after flowering to maintain its shape and health.
Rhododendron 'Herbert'
Rhododendron 'Herbert' is a striking evergreen or semi-evergreen shrub known for its vibrant purple to fuchsia blooms with a distinctive red blotch. This plant is cold hardy and thrives in USDA zones 5 to 9, making it suitable for a variety of climates. It attracts butterflies and hummingbirds, adding life to any garden. The shrub prefers partial shade and well-drained, acidic soil, and it blooms in early spring with unique hose-in-hose double layer flowers. Regular pruning after flowering helps maintain its shape and health. A thick layer of mulch can enhance its growth and resilience.
Rhododendron 'Red Ruffle'
This spring-blooming Rutherfordiana hybrid features semi-double deep red blooms with frilly petals and can re-bloom in fall. It has evergreen foliage and a compact growth habit, reaching 3-5 feet in height and width. The plant is hardy from USDA Zones 7-10 and prefers partial sun or filtered sun with medium water requirements once established. It thrives in acidic to neutral soil and should be trimmed after the bloom cycle ends.
Rhododendron 'Lemon Lights'
Rhododendron 'Lemon Lights' is a deciduous shrub with lemon-yellow trumpet-shaped flowers that bloom before the leaves. It attracts bees, butterflies, and hummingbirds, and its foliage turns purple in fall. This cold-hardy plant prefers full sun or partial shade.
Rhododendron 'Polarnacht'
Rhododendron 'Polarnacht' is a compact, spreading shrub with deep purple blooms and a scarlet red blotch. It grows 2-3 feet tall and 4-6 feet wide, preferring partial shade and moist, fast-draining, acidic soil. This low-maintenance plant is hardy in zones 6 to 8.
Rhododendron 'Mandarin Lights'
Rhododendron 'Mandarin Lights' is a deciduous azalea with bright mandarin-orange flowers and lightly scented blooms. It attracts bees, butterflies, and hummingbirds and features shiny oval foliage that turns bronze-red to yellow in fall. This plant is cold-hardy and prefers filtered sunlight or part shade.
Rhododendron 'Nico'
Rhododendron 'Nico' is a broad-leaved evergreen shrub with cherry-red blossoms in spring. It is cold-hardy in USDA zones 4-7 and grows 2-3 feet in height and width. This plant thrives in dappled shade and moist, organic woodland settings.
Rhododendron 'Red Wing'
Rhododendron 'Red Wing' is an evergreen shrub with heavily ruffled, scarlet red trumpet-shaped blooms that appear from late spring to early summer. Its deep green foliage provides a lush backdrop, and the plant is attractive to pollinators and hummingbirds. It thrives in partial shade and slightly acidic, moist soil, growing to a height and width of 2-4 feet.