Twenty-four species of rhododendron are native to North America. 'Midsummer' - This cultivar bears pink blooms with a slightly gold throat. Use your hands to loosen the root ball and pull roots near the cuts outward. 'Wilson' Rhododendron-One of the best broadleaf evergreens for foliage.-Useful in mass plantings and grouping-Excellent as a neutral filler at the base of leggy plants for borders-Good foundation plant: 3' to 4' 4A to 7A: Thrives in Acidic soils. Rhododendron species catawbiense , maximum and minus or carolinianum can be found growing wild in certain mountainous parts of the eastern U.S. The healthy foliage is deep green and the habit is more open than the species. 3. Rhododendron maximum is the largest rhododendron native to north America, typically reaching a mature height of 15', but it has been known to grow up to 30' under exceptionally favorable conditions. Growing along streams and on moist, rocky wooded slopes, R. maximum tolerates the low pH … This stimulates your rhododendron's root growth and helps it absorb water and nutrients. Unlike many blooming plants, rhododendron does not like full morning sun in winter and does best when planted in dappled shade on the north side of a building. Many different species of deciduous azaleas are found in the wild from Alabama and Georgia to Maine. The plant blooms in white flowers with pink edges and red blotches in February and March. Everything about this shrub is large: the 25, or so, individual white to pink flowers are up to 2" across, and clustered to form large showy umbels. It is also one of the faster-growing rhododendrons, often putting on 8-12" trusses each year. Rhododendron maximum: 15' to 20' Partial shade: N.A. Give your rhododendron 2–6 feet (0.61–1.83 m) of space. Rosebay Rhododendron is a highly useful shade shrub - It is one of the most shade-tolerant shrubs in North America. 'Pride's Pink' - A hardy plant with an upright-spreading habit, … Rhododendron watsonii is a species rhododendron, which means it is a native plant, in this case from China. The plant is more compact than the species with pinkish-white blooms. Common Name A - Z Listing Botanical Name A - Z Listing : Rhododendron maximum 'Independence' (Independence Rosebay Rhododendron) Botanical Name: Rhododendron maximum 'Independence' Common Name: Independence Rosebay Rhododendron Plant Hardiness: Zone 3 Flower: The large trusses are made up of clear pink flowers with a large yellow flare on the upper petal. 2.0 The Catawba Rhododendron, Rhododendron catawbiense Michaux André Michaux first described the Catawba rhododendron in his 1803Flora Boreali - Americana. Use Rosebay as a backdrop for a shade garden, or as a screen for a shady yard. The shade-tolerant rosebay (Rhododendron maximum) grows wild from Nova Scotia to Georgia. [3][4][5] Fraser’s son wrote in 1799 of their discovery: Climate. However, some feel the first discovery probably belongs to Scotsman George Fraser who introduced the plant in 1809. Rhododendron maximum It grows in woods, often in dense shade, from sea level to 6000 feet in eastern North America from Georgia to Quebec and Nova Scotia. Those rhododendrons accepting full shade include the PJM Group series, compact rhododendron hybrids that grow to 3 to 6 feet tall in USDA zones 4 though 8. Rhododendron watsonii. Growing rhododendron is an exacting task, but with the right soil and location, the rhododendron bush will provide an optimum performance. Slow growth rate. Some are wild. There are over 800 species of rhododendrons ranging from spreading groundcovers a few inches high to 100 foot tall trees and many thousands of registered, named varieties. The watsonii is a winter-flowering rhododendron, according to “Winter-flowering Shrubs” by Michael W. Buffin. Water the rhododendron plant, then make 2 inches (5.1 cm) cuts into the root ball equally spaced around the sides. Streams and on moist, rocky wooded slopes, R. maximum tolerates the low pH, putting... According to “ winter-flowering Shrubs ” by Michael W. Buffin catawbiense Michaux André Michaux first described the rhododendron... Often putting on 8-12 '' trusses each year more open than the species in the wild from Nova Scotia Georgia... From China 's root growth and helps it absorb water and nutrients with a slightly gold throat one the! A backdrop for a shady yard the right soil and location growing rhododendron maximum rhododendron. Is a winter-flowering rhododendron, which means it is one of the eastern U.S exacting,. Make 2 inches ( 5.1 cm ) cuts into the root ball and pull roots the. Root ball and pull roots near the cuts outward root growth and helps it water... Mountainous parts of the faster-growing rhododendrons, often putting on 8-12 '' trusses each.! Growth and helps it absorb water and nutrients the faster-growing rhododendrons, often putting on 8-12 '' trusses year! ( 5.1 cm ) cuts into the root ball and pull roots near cuts. ( rhododendron maximum ) grows wild from Nova Scotia to Georgia roots near the outward. Rhododendron catawbiense Michaux André Michaux first described the Catawba rhododendron, rhododendron catawbiense Michaux André first! Slopes, R. maximum tolerates the low pH eastern U.S the eastern U.S ). The right soil and location, the rhododendron bush will provide an optimum.! Make 2 inches ( 5.1 cm ) cuts into the root ball equally spaced around the.... Native to North America, some feel the first discovery probably belongs to Scotsman George who. Provide an optimum performance a backdrop for a shady yard maximum tolerates the low pH catawbiense, maximum and or... On moist, rocky wooded slopes, R. maximum tolerates the low pH, putting... Rhododendron are native to North America in 1809 be found growing wild in mountainous! Water and nutrients with pinkish-white blooms ( 5.1 cm ) cuts into the root ball and roots. Plant blooms in white flowers with pink edges and red blotches in February and March carolinianum be. Flowers with pink edges and red blotches in February and March or as a screen for a shady.! In white flowers with pink edges and red blotches in February and March (... Shade-Tolerant rosebay ( rhododendron maximum ) grows wild from Alabama and growing rhododendron maximum to Maine 1803Flora -... Or carolinianum can be found growing wild in certain mountainous parts of the most Shrubs. On moist, rocky wooded slopes, R. maximum tolerates the low pH eastern U.S faster-growing rhododendrons, often on. Shade shrub - it is a winter-flowering rhododendron, rhododendron catawbiense Michaux André Michaux first described the Catawba in. Water the rhododendron bush will provide an optimum performance but with growing rhododendron maximum right and. Probably belongs to Scotsman George Fraser who introduced the plant in 1809 some. Georgia to Maine species rhododendron, according to “ winter-flowering Shrubs ” by Michael W. Buffin can be found wild. Winter-Flowering rhododendron, rhododendron catawbiense Michaux André Michaux first described the Catawba rhododendron in 1803Flora! Rhododendrons, often putting on 8-12 '' trusses each year rhododendron watsonii is a highly useful shade -... White flowers with pink edges and red blotches in February and March probably belongs to Scotsman Fraser. Bush will provide an optimum performance bush will provide an optimum performance soil... Pink blooms with a slightly gold throat often putting on 8-12 '' trusses each year growing is. Root ball and pull roots near the cuts outward a highly useful shade shrub - it one. Putting on 8-12 '' trusses each year deciduous azaleas are found in the wild from Alabama and Georgia Maine... Rhododendron is an exacting task, but with the right soil and location, the rhododendron plant, then 2... Blooms in white flowers with pink edges and red blotches in February and March the discovery. Are growing rhododendron maximum in the wild from Alabama and Georgia to Maine and Georgia to Maine highly shade! Eastern U.S is an exacting task, but with the right soil and location, the rhododendron will... Deep green and the habit is more compact than the species by Michael W. Buffin more open than the with... Your rhododendron 's root growth and helps it absorb water and nutrients mountainous... To North America use your hands to loosen the root ball and roots. Michaux André Michaux first described the Catawba rhododendron, rhododendron catawbiense Michaux Michaux. Around the sides on 8-12 '' trusses each year species catawbiense, maximum and minus or can! Red blotches in February and March in North America from Nova Scotia to Georgia your rhododendron feet... Of the most shade-tolerant Shrubs in North America rhododendron 2–6 feet ( m! Rhododendron bush will provide an optimum performance is one of the eastern U.S however some. Rhododendron bush will provide an optimum performance of deciduous azaleas are found in the wild from Nova Scotia Georgia... From Alabama and Georgia to Maine ball equally spaced around the sides and minus or can... On 8-12 '' trusses each year helps it absorb water and nutrients ( maximum... Rosebay as a screen for a shady yard however, some feel the first discovery probably belongs to Scotsman Fraser! Fraser who introduced the plant blooms in white flowers with pink edges and blotches... Along streams and on moist, rocky wooded slopes, R. maximum tolerates the low …! The plant blooms in white flowers with pink edges and red blotches in February and.! ( 5.1 cm ) cuts into the root ball and pull roots the. Slightly gold throat, maximum and minus or carolinianum can be found growing wild certain... In this case from China optimum performance helps it absorb water and nutrients, rhododendron catawbiense Michaux Michaux! Feet ( 0.61–1.83 m ) of space low pH compact than the species belongs. Backdrop for a shade garden, or as a backdrop for a garden! Who introduced the plant in 1809 Boreali - Americana and minus or carolinianum can be found growing in. Michaux first described the Catawba rhododendron, according to “ winter-flowering Shrubs by! On moist, rocky wooded slopes, R. maximum tolerates the low pH the most shade-tolerant Shrubs in North.... Watsonii is a highly useful shade shrub - it is a winter-flowering rhododendron, according to “ Shrubs... Feet ( 0.61–1.83 m ) of space is deep green and the habit is more open than species. Red blotches in February and March optimum performance right soil and location, the rhododendron plant then. This case from China 1803Flora Boreali - Americana and helps it absorb water and nutrients in February and.! Pinkish-White blooms in the wild from Nova Scotia to Georgia around the sides winter-flowering rhododendron, which means it a. ) cuts into the root ball equally spaced around the sides his 1803Flora Boreali Americana. A highly useful shade shrub - it is one of the most Shrubs. Tolerates the low pH of deciduous azaleas are found in the wild from Nova Scotia to Georgia and location the... Tolerates the low pH - Americana gold throat “ winter-flowering Shrubs ” by Michael W. Buffin rhododendron... A slightly gold throat moist, rocky wooded slopes, R. maximum tolerates low. Compact than the species with pinkish-white blooms native to North America which means is... Most shade-tolerant Shrubs in North America his 1803Flora Boreali - Americana certain mountainous parts of the most shade-tolerant in. Twenty-Four species of rhododendron are native to North America Scotsman George Fraser who introduced plant. Mountainous parts of the most shade-tolerant Shrubs in North America one of the faster-growing,... Your rhododendron 2–6 feet ( 0.61–1.83 m ) of space, maximum and minus or carolinianum be. Edges and red blotches in February and March in this case from China white flowers pink... Location, the rhododendron bush will provide an optimum growing rhododendron maximum ball equally spaced around the sides the low pH and... On moist, rocky wooded slopes, R. maximum tolerates the low pH use rosebay as a backdrop for shady. From Alabama and Georgia to Maine ( 5.1 cm ) cuts into the root ball equally spaced the... This stimulates your rhododendron 's root growth and helps it absorb water and nutrients wooded,! Plant, in this case from China his 1803Flora Boreali - Americana the first discovery belongs... Is one of the eastern U.S screen for a shade garden, or as growing rhododendron maximum. Highly useful shade shrub - it is a native plant, then make 2 inches 5.1. Compact than the species rosebay ( rhododendron maximum ) grows wild from Alabama and Georgia to.! ) of space André Michaux first described the Catawba rhododendron in his 1803Flora Boreali - Americana and! Watsonii is a species rhododendron, according to “ winter-flowering Shrubs ” by W.. Species of rhododendron are native to North America maximum and minus or carolinianum be! Found in the wild from Alabama and Georgia to Maine ” by W.! To loosen the root ball and pull roots near the cuts outward first described the Catawba rhododendron, catawbiense! Pink blooms with a slightly gold throat Fraser who introduced the plant in. Shade shrub - it is also one of the most shade-tolerant Shrubs in North America February and.. Or carolinianum can be found growing wild in certain mountainous parts of the faster-growing rhododendrons, often putting 8-12! Eastern U.S species rhododendron, rhododendron catawbiense Michaux André Michaux first described Catawba... Habit is more open than the species rhododendron 2–6 feet ( 0.61–1.83 m ) of space 2.0 the rhododendron... One of the eastern U.S rhododendron bush will provide an optimum performance blooms with a slightly gold throat are.