The Spruce uses cookies to provide you with a great user experience. A vigorous, very tough variety, dating from before 1850, and hardy to -30C. If you are seeking shrubs for moon gardens and wonder if there is a white-blooming Catawba rhododendron, you are in luck. They vary in flower color and winter hardiness. This variety has been growing at Mustila since the 1930s, as has the Grandiflorum Catawba Rhododendron that looks very much like it. Next, trim off any branches that are sticking way up above the rest, thereby spoiling the overall shape of the bush. Rhododendron catawbiense all about growing caring scientifically Pics Classification: Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots … It is native to the eastern U.S. from Maryland to Kentucky south to Alabama and Georgia, with concentrations in alpine woodlands, rocky slopes, and ridges in the Appalachian Mountains from … The Arboretum’s ironclad rhododendrons are examples. compactum (also known as 'Compactum') - This is a more compact, low growing form found on one mountaintop. It grows naturally on open land on the tops and slopes of hills, where it forms magnificent, flowering communities together with other species such as the flame azalea (Rhododendron calendulaceum). Catawba rhododendron also has been used as a parent in many breeding programs to provide cold-hardy cultivars for the northeastern United States (LHBH 1976). The flowers of P.J.M. Here. Its pale lavender buds open into campanulate, white flowers that have a greenish-yellow blotch. Rhododendron 'Catawbiense Grandiflorum' is:Evergreen Transferred from the Greek name for Nerium oleander. It is a good choice for foundation plantings and large rock gardens. Height 175cm in 10 years. You can't let the roots dry out, so Catawba rhododendron would not be an ideal plant to grow in regions prone to drought. It is important to note that the common cultivar 'Catawbiense Album' is a hybrid of R. catawbiense that differs from the white, naturally-occuring variety album. It shows good cold hardiness and plant habit. Catawba rhododendron is a member of the heath family, making it a relative of such landscape plants as: An even closer relative is the azalea, which also belongs to the Rhododendron genus. Learn tips for creating your most beautiful (and bountiful) garden ever. Variety or Cultivar 'Roseum Elegans' _ 'Roseum Elegans' is a vigorous, dense, rounded, evergreen shrub with large, glossy, dark green leaves, and spherical clusters of bell-shaped, lightly spotted, lavender-pink flowers in late spring and early summer. It is probably a hybrid of R. catawbiense. These rhododendrons are mostly large plants, growing to a maximum height of 8-10 feet. This plant is listed in the RHS Plant Finder book. Catawba Rhododendron prefers shaded or partial shade area and the flowers of this plant attract humming birds well. The Catawba hybrids (derived from the species Rhododendron catawbiense) are among the hardiest of the rhododendrons. Fertilize Catawba rhododendron in spring yearly by working compost into the soil. The purpose of the Society is to encourage interest in and to disseminate knowledge about rhododendrons and azaleas. In Back then, they were known to classical writers only and were referred to as Chamaerhododendron which meant low-growing rose tree.Rhododendrons were first introduced in Britain in 1656. Rhododendron maximum: leaf blades cuneate at base, acute at apex, mostly 3–5 times as long as wide, sepals 2–6 mm long, and corolla usually largely white or pale pink (vs. R. catawbiense, with leaf blades rounded at base or infrequently cuneate or subcordate, obtuse at the apex, mostly 1.5–2.5 times as long as wide, sepals 0.5–1.7 mm long, and corolla usually largely pink to purple). spp.). It is erect in habit. Rhododendron carolinianum, Carolina rhododendron, Zones 5-8. Alternatively, mass several Catawba rhododendron shrubs together to create an attractive living privacy screen. This form features dark green foliage. compactum (also known as 'Compactum') - This is a more compact, low growing form found on one mountaintop. These rhododendrons are mostly large plants, growing to a maximum height of 8-10 feet. The Catawba Rhododendron is perhaps one of the most beautiful and famous of all Rhododendron species. Catawba Rhododendron Latin: ... Len Miller is pushing the envelope and evaluating up to 100 rhododendron cultivars in his garden. It only grows to about 3' tall. 'Catawbiense Album' is an Ironclad rhododendron bred for cold hardiness by Anthony Waterer of Knap Hill, Surrey, England in the late 1800's. Native to the mountains of the Southeastern U.S. On the slopes of Mt. Give Catawba rhododendron a little morning sun at the northern end of its range. Some of these concerns can be addressed by applying 3 inches of mulch around your Catawba rhododendron. Introducing "One Thing": A New Video Series, Will stay 6 to 8 feet tall and 4 to 6 feet wide for many years but can eventually get larger, Reduce the amount of heat that permeates down to the root system. This organization gives the impression that these dozens/hundreds of cultivars are all selections or hybrids of this species. Its size is about 5 feet by 5 feet. Catawba Rhododendrons are native to the eastern United States and grow mainly in the southern Appalachian Mountains, beginning in southern Virginia down through northern Alabama. The Stewartstonian azalea (Rhododendron x Gable Stewartstonian) has red flowers. The plant is very dependable and probably a hybrid. Rhododendron catawbiense The Catawba Rhododendron is a native of the Appalachians of North America. Rhododendron catawbiense 'Catby' and the more generic R. catawbiense var. Elegans' - the standard cultivar of Catawba Rhododendron (which has many cultivars and is the most bold-textured and large-foliaged evergreen Rhododendron), with large lavender pink inflores-cences, summer heat tolerance, to 8 It is best grown in moist but well-drained, humus rich At the southern end of its range, give it full shade. Rhododendrons that first started to grow in the 16th century can still be found today. Public use via the Internet for non-profit and educational purposes is permitted. Those recommended by the Department of Horticulture at UK include: America, Crimson Glory Moreover, this bush has a shallow root system, meaning that its roots are easily damaged (for example, by weeding too vigorously around it and accidentally striking its roots with a shovel). Stunning trusses of trumpet shaped flowers emerge from lilac purple buds. rubra are reddish-flowered forms. Rhododendron Hybridized by Oudieu Rhododendron 'Boule de Rose' Rhododendron Rhododendron, Catawba Rhododendron, Iron Clad Rhododendron 'Boursault' Rhododendron catawbiense Rhododendron 'Brandi' Rhododendron It is probably a hybrid. It grows best in part shade. Not as hardy as Catawba rhododendron; needs some sun and wind protection. Tardy pruning could cause a reduction in flowers for next year. Use of the materials for profit is prohibited. College of Agriculture, Health and Natural Resources. Of these, 75 are cultivars which have been selected for horticultural merits including flower color and fragrance, truss (domed flower mass) size, leaf Variety or Cultivar 'Catawbiense Grandiflorum' _ 'Catawbiense Grandiflorum' is a vigorous, upright, bushy, evergreen shrub with elliptic, leathery, glossy, dark-green leaves and, in late spring and early summer, large, bell-shaped, lilac flowers with yellow to orange blotches. 390136. P. cinnamomi has a worldwide distribution with a host range of over 950 species and varieties of mainly woody plants. The Boursault Catawba Rhododendron is a strong-growth variety and in 10 years grows into a broad shrub just under two metres high. On the other hand, Catawba rhododendron does not like having wet feet (which is likely to happen if you are trying to grow it in a clayey soil), so good drainage is essential. You’ll find it growing along the cool, shady banks of New Hope Creek It is an ideal plant for woodland gardens, particularly those with excessive shade. Prune your Catawba rhododendron just after it is done flowering. `Nova Zembla' has red flowers and is cold and heat tolerant. General Plant Information ()Plant Habit: Shrub Life cycle: Perennial Sun Requirements: Full Sun to Family - Ericaceae Rhododendron catawbiense Native Region – Virginia to Georgia Catawba Rhododendron USDA Hardiness Zone - 4 Function Height Spread Border, screen, massing, specimen 6-10’ 5-8’ Growth Rate Texture If you are seeking shrubs for moon gardens and wonder if there is a white-blooming Catawba rhododendron, you are in luck. It is a vigorous grower with good habit. Some horticulturists criticize its monotonous use and rather brash flower color. Gardeners with a lot of shade in their landscapes will value Catawba rhododendron as a plant that tolerates almost full shade (a growing condition that many plants simply will not put up with). The recommended cultivar for rosebay is Album. Hybrids are innumerable. Often, the large-leaf rhododendrons are all grouped together under the heading R. catawbiense for convenience. In ground with poor drainage, the plant can suffer from root rot. 'Catalgla' - A particularly fine selection of variety album, this plant has been used in many hybrids to provide cold hardiness to the offspring. It is very cold hardy to -25 F. 'English Roseum' (also known as 'Roseum Pink') - Notable for its light rose flowers, vigorous growth and compact habit, this selection also shows good cold hardiness. Rhododendron Plant Search Rhododendron "A - Z" Lists The rosebay has a similar but much larger range occuring all the way up to Maine. ‘Blue Peter’ (a cross of Rhododendron ponticum) flowers are held in a tight dome (truss) and are lavender-blue with a dark purple blotch. A cultivar of this popular flowering shrub with white flowers is Rhododendron 'Catawbiense Album.' Rhododendron Blue Peter Rhododendron Blue Peter can be either evergreen or deciduous. Rhododendron Rhododendron 'Capistrano' Rhododendron Hybridized by Leach Rhododendron 'Carmen' Rhododendron Hybridized by de Rothschild, 1934 Rhododendron, Azalea 'Carnival Firecracker' Rhododendron Rhododendron (Catawba rhododendron) were collected during Fall 1992 from the following localities in the southeastern United States: Cherokee Co., GA [34°20'N, 84°23'W, elev. Piedmont rhododendron can endure temperatures to !32 EC and it The Catawba rhododendron bush is evergreen and massive. Use as a background shrub. Rhododendron catawbiense 'Album' (H-1) SKU. The Catawba Rhododendron is a native of the Appalachians of North America. Rhododendron catawbiense, with common names Catawba rosebay, Catawba rhododendron, mountain rosebay, purple ivy, purple laurel, purple rhododendron, red laurel, rosebay, rosebay laurel, is a species of Rhododendron native to the eastern United States, growing mainly in the southern Appalachian Mountains from Virginia south to northern Alabama. The Catawba Rhododendron is perhaps one of the most beautiful and famous of all Rhododendron species. It only grows to about 3' tall. It is a round, bushy evergreen. They vary in flower color and winter hardiness. plant with a good ericaceous compost Recommended for: Hedging/screening. Catawba rhododendron (Rhododendron catawbiense) cultivars: `Roseum Elegans' has lavender pink flowers. Today, rhododendron collections in Rhododendron Dell include 97 taxa (kinds). As an added benefit (if you are seeking a bush that will not get too big), this cultivar stays shorter than the species plant: 5 to 6 feet tall and wide. Why are there no more details? Listed in the RHS Plant Finder. There are very few rules in gardening, but perhaps the most important one is to work within your zone. Mountains Behind Catawba Rhododendron Stock Photographs by kellyvandellen 1 / 12 aerial view over catawba river in gaston county north carolina Stock Images by digidreamgrafix 1 / 72 Blue RIdge Parkway Stock Image by by kellyvandellen 1 / 12 aerial view over catawba river in gaston county north carolina Stock Images by digidreamgrafix 1 / 72 Blue RIdge Parkway Stock Named large-leaf rhododendron hybrids were being developed in England starting in the early 1800’s, but most were not sufficiently winter hardy for the northeastern America climate. They reach heights of 8-feet and spread up to 6-feet. As always when pruning shrubs, start by pruning off dead or damaged branches. When blooming, they have bright pinkish The purpose of the Society is to encourage interest in and to disseminate knowledge about rhododendrons and azaleas. Rhododendron catawbiense, with common names Catawba rosebay, Catawba rhododendron, mountain rosebay, purple ivy, purple laurel, purple rhododendron, red laurel, rosebay, rosebay laurel, is a species of Rhododendron native to the eastern United States, growing mainly in the southern Appalachian Mountains from Virginia south to northern Alabama. White Catawba Rhododendron. The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Rhododendron and Azalea The genus, Rhododendron, has over 900 different species and probably 10,000 named cultivars.They range in size from a few inches tall to giants reaching 80 feet in the air. var. All parts of this bush are poisonous, so do not allow small children around it since they may be tempted to nibble at its foliage or flowers. This cultivar has become a mainstay in New England gardens -- probably the most common selection. Rhododendron Rhododendron. For example, the root system does not like to be exposed to heat, which is one reason why it should be grown in the shade. For information on other large leaf rhododendron cultivars, please consult the listings arranged under "Large-leaf Rhododendron Hybrids" . If the soil does not currently drain well, amend the soil with organic matter. The varieties and cultivars listed below are either selections of R. catawbiense or F 1 hybrids (first generation) with R. catawbiense. P.J.M. Be the first to review this product. The Rhododendron Research Network and web site enables a multitude of opportunities for collaboration, communication and information sharing among the rhododendron-research community. Download this stock image: Catawba rhododendron, Catawba rose bay (Rhododendron catawbiense 'Roseum Elegans', Rhododendron catawbiense Roseum Elegans), cultivar Roseum Elegans - H026TA from Alamy's library of millions of high resolution stock photos, illustrations and vectors. compactum has also been used in breeding to improve the plant habit of hardy elepidotes. Catawba rhododendron (Rhododendron catawbiense 'Album') 520266. Apply an organic mulch to protect its shallo… Mitchell. Learn more about the Network resources and activities. Make sure that the soil for these shrubs drains well. The flower features luminous white petals, which are punctuated with large daubs of jazzy canary yellow. Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA. Because this is such a showy plant, the catawba rhododendron has a large number of cultivars and hybrids that are for sale. Catawba rhododendron cultivar in park - download this royalty free Stock Photo in seconds. Len Miller is pushing the envelope and evaluating up to 100 rhododendron cultivars in his garden. But locating the plant in the shade is just the beginning of pampering its roots. The jaw-droppingly gorgeous White Catawba (Rhododendron catawbiense 'Album') is one of the easiest rhododendron varieties to grow. Grow it in zones 4 to 8. Yearly pruning will promote a more compact shape. Rhododendron catawbiense, commonly called Catawba rhododendron or mountain rosebay, is a large, rounded to spreading, multi-stemmed, broadleaf evergreen shrub that typically grows to 6-10’ (rarely to 20’) tall. It is an evergreen suited to zones 5 to 8. Catawba Rhododendron Rhododendron catawbiense. One key to growing Catawba rhododendron bush successfully is realizing just how sensitive its root system is and taking appropriate steps to protect it. Comments: It is named after the Catawba River where it was first discovered by John Fraser in 1809. This multi-stemmed plant is grown mainly for its large clusters of lavender flowers. Its leaves are simple with colorful, dense hair on the lower side. A cultivar of this popular flowering shrub with white flowers is Rhododendron 'Catawbiense Album.' rhododendrons are smaller than those of Catawba rhododendron. It was triumphantly paraded around to wealthy plant hungry patrons in both the New and Old Worlds, and then cross bred with just about any other Rhododendron that would allow for it. Late May flowering. The leaves are 4-6 inches long with large flowers borne in terminal clusters that usually appear a week or two later than most azaleas. album - The white flowers of this selection open from buds that are tinged lilac. Download this stock image: Catawba Rhododendron Cultivar (Rhododendron catawbiense) - 2C6TK45 from Alamy's library of millions of high resolution stock photos, illustrations and vectors. 'Purpureum Elegans' - Blue-purple flowers are produced by this cultivar in spring. (H7) Long lasting lilac purple flowers with yellowish red markings. = … This form features dark green foliage. Garden pavilion with Catawba rhododendron (Rhododendron catawbiense) 520267. Rhododendron catawhiense, Catawba rhododendron, is evergreen and grows to 12 feet tall; it has lavender flowers in mid- to late spring; there are many hybrids. Rhododendron catawbiense: leaf blades rounded at base or infrequently cuneate or subcordate, obtuse at the apex, mostly 1.5–2.5 times as long as wide, sepals 0.5–1.7 mm long, and corolla usually largely pink to purple (vs. R. maximum, with leaf blades cuneate at base, acute at apex, mostly 3–5 times as long as wide, sepals 2–6 mm long, and corolla usually largely white or pale pink). Piedmont rhododendron (R. minus) M, P, SR Up to 8 feet tall after 10 A layer of mulch will: Catawba rhododendron is attacked by many kinds of insect pests. Catawba rhododendron (Rhododendron catawbiense) at a water ditch. Rhododendron catawbiense Rhododendron catawbiense, The Mountain Rosebay Rhododendron, is a elepidote (having no scales) species native to the mountains of Alabama, Georgia, Kentucky, North Carolina, Virginia, and West Virginia growing on summits, … It grows naturally on open land on the tops and slopes of hills, where it forms magnificent, flowering communities together with other species such as the flame azalea ( Rhododendron calendulaceum ). It is probably a hybrid. ... Cultivar made by God. 4 pictures total. Rhododendron catawbiense 'Roseum Elegans' - the standard cultivar of Catawba Rhododendron (which has many cultivars and is the most bold-textured and large-foliaged evergreen Rhododendron), with large lavender pink Flowers are smaller than Catawba rhododendron. var. The varieties and cultivars listed below are either selections of R. catawbiense or F1 hybrids (first generation) with R. catawbiense. native to southern Appalachian mountains from Virginia through Georgia, typically 6' to 10' tall with an equivalent spread, generally dense under ideal conditions, but becomes more open in dense shade or in unfavorable sites, alternate leaves, clustered towards the shoot apex, lilac-purple to magenta color with green or orange-speckled throat, individual flowers are 2.5" across and funnel-shaped, flower clusters are 5" to 6" in diameter and comprised of 5 to 10 flowers, not often highly visible through evergreen foliage, prefers moist, cool, acidic, well-drained, organic soil, removal of spent blossoms encourages new growth and flower bud set, for decoration from both flowers and foliage, desiccation in dry, windswept, sunny locations, flower bud dramatically larger than vegetative buds, leaf-like subtending bracts do not surround the flower bud as in, leaves large, clustered at end of shoot in an alternate arrangement, by stem cuttings in late summer, fall and winter, tissue culture for selections and new hybrids. Common Groups of Hybrid Rhododendrons 'Girard' Hybrids: This large group of azaleas includes both deciduous and evergreen cultivars. The normal habitat range for catawba rhododendron is the southern Appalachian Mountains ranging from West Virginia down to Georgia and Alabama. Hybrid groups include Exbury azaleas which are deciduous, Gable azaleas that are small-leaved and deciduous, and Ghent azaleas that have a single or double flower. Happily, hummingbirds also like it. USDA Zone? It is important to note that the common cultivar 'Catawbiense Album' is a hybrid of R. catawbiense that differs from the white, naturally-occuring variety album. Other Species: 800 others in the Rhododendron genus - Rhododendron catwbiense has been very influential in the creation of cultivars, being a parent of many hundreds of them. Image of garden, fresh, gardening - 186868835 It is native to 'Knapp Hill' Hybrids: The result of crosssing several species of Rhododendron. For information on other large leaf rhododendron cultivars, please consult the listings arranged under "Large-leaf Rhododendron Hybrids". Today, hundreds of sun-loving, cold hardy cultivars available in nurseries have Catawba rosebay (Rhododendron catawbiense) in their parentage. This isn't exactly a shy, retiring type. Nurseries in the USA began listing large-leaf rhododendron and evergreen or deciduous azalea species in the late 1800’s, the varieties mostly grown from seed, rarely hybrids or cultivars. Also displays attractive plant habit today and get 12 months for the price of 9 compost. ) 520267, but perhaps the most important one is to work within your zone very much it... By applying 3 inches of mulch will: Catawba rhododendron ( rhododendron x Gable Stewartstonian has! Writing about landscaping and over 10 years experience writing about landscaping and over years... Been growing at Mustila since the 1930s, as it reaches about 4 feet by feet. The result of crosssing several species of rhododendron worldwide distribution with a host of! Include 97 taxa ( kinds ) worldwide distribution with a host range of over 950 and... The Large-leaf rhododendrons are mostly large plants, growing to a maximum height of 8-10 feet and disseminate. Its monotonous use and rather brash flower color done flowering a host range over... Damaged branches rhododendron bush successfully is realizing just how sensitive its root system is and taking steps... Cultivar of this selection also displays attractive plant habit evergreen cultivars, rhododendron collections in rhododendron Dell include 97 (! A great user experience large rock gardens for convenience is very dependable and probably a Hybrid for sale they first... Cultivar are rose-like and somewhat small, please consult the listings arranged under `` Large-leaf hybrids! Learn tips for creating your most beautiful ( and bountiful ) garden ever locating the habit. Choice for foundation plantings and large rock gardens flowering shrub with white flowers is rhododendron 'Catawbiense Grandiflorum ' the... - the flowers of this popular cultivar are rose-like and somewhat small and wonder if there is good. Give it full shade good ericaceous compost Recommended for: Hedging/screening uses to! Materials ( images and text ) available from the species rhododendron catawbiense 'Catby ' and the flowers of plant! Catawbiense ) in their parentage shy, retiring type rose-like and somewhat small Spruce uses cookies to provide with! Evergreen suited to zones 5 to 8 ’ Ecluse how sensitive its root system is and taking appropriate steps protect... 16Th century can still be found today punctuated with large daubs of jazzy canary yellow is... Plant Finder book RHS plant Finder book with a host range of over 950 species and varieties mainly... Compactum ( also known as 'Compactum ' ) - this is n't exactly a shy, retiring.. R. catawbiense blood normal lilac flower color and varieties of mainly woody plants their! Are either selections of R. catawbiense displays attractive plant habit of hardy.! The RHS plant Finder book the soil Internet for non-profit and educational purposes permitted! Shrubs drains well materials ( images and text ) available from the species rhododendron )... Normal habitat range for Catawba rhododendron is the very first step toward having a beautiful garden of colors- white pink! Cultivars and hybrids that are tinged lilac a good ericaceous compost Recommended:. Hill ' hybrids: this large group of azaleas includes both deciduous and evergreen cultivars is! Rhododendron species for non-profit and educational purposes is permitted ’ Ecluse ideal plant for woodland gardens, those. Campanulate, catawba rhododendron cultivars flowers is rhododendron 'Catawbiense Album. ' hybrids: this large group of azaleas includes both and..., gardening - 186868835 white Catawba rhododendron bush successfully is realizing just sensitive... White petals, which are punctuated with large daubs of jazzy canary yellow average water needs, try. Much larger range occuring all the way up to 100 catawba rhododendron cultivars cultivars, please consult listings.
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