'Purpureum Elegans' - Blue-purple flowers are produced by this cultivar in spring. The Catawba Rhododendron is a native of the Appalachians of North America. Learn tips for creating your most beautiful (and bountiful) garden ever. It is a good choice for foundation plantings and large rock gardens. Rhododendron Blue Peter Rhododendron Blue Peter can be either evergreen or deciduous. White Catawba Rhododendron. For information on other large leaf rhododendron cultivars, please consult the listings arranged under "Large-leaf Rhododendron Hybrids" . P. cinnamomi has a worldwide distribution with a host range of over 950 species and varieties of mainly woody plants. These rhododendrons are mostly large plants, growing to a maximum height of 8-10 feet. Those recommended by the Department of Horticulture at UK include: America, Crimson Glory This cultivar has become a mainstay in New England gardens -- probably the most common selection. For information on other large leaf rhododendron cultivars, please consult the listings arranged under "Large-leaf Rhododendron Hybrids". P.J.M. Rhododendrons that first started to grow in the 16th century can still be found today. 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. Common Groups of Hybrid Rhododendrons 'Girard' Hybrids: This large group of azaleas includes both deciduous and evergreen cultivars. compactum (also known as 'Compactum') - This is a more compact, low growing form found on one mountaintop. They vary in flower color and winter hardiness. Common Groups of Hybrid Rhododendrons 'Girard' Hybrids: This large group of azaleas includes both deciduous and evergreen cultivars. There are very few rules in gardening, but perhaps the most important one is to work within your zone. Catawba rhododendron (Rhododendron catawbiense) cultivars: `Roseum Elegans' has lavender pink flowers. As always when pruning shrubs, start by pruning off dead or damaged branches. 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. You can't let the roots dry out, so Catawba rhododendron would not be an ideal plant to grow in regions prone to drought. 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. 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 ). Public use via the Internet for non-profit and educational purposes is permitted. The flowers of P.J.M. ‘Blue Peter’ (a cross of Rhododendron ponticum) flowers are held in a tight dome (truss) and are lavender-blue with a dark purple blotch. 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. album - The white flowers of this selection open from buds that are tinged lilac. They reach heights of 8-feet and spread up to 6-feet. A cultivar of this popular flowering shrub with white flowers is Rhododendron 'Catawbiense Album.' Today, rhododendron collections in Rhododendron Dell include 97 taxa (kinds). 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). 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. This plant is listed in the RHS Plant Finder book. Photo about Catawba Rhododendron Cultivar Rhododendron catawbiense in park. Today, hundreds of sun-loving, cold hardy cultivars available in nurseries have Catawba rosebay (Rhododendron catawbiense) in their parentage. The Catawba Rhododendron is perhaps one of the most beautiful and famous of all Rhododendron species. It is an evergreen suited to zones 5 to 8. Rhododendron 'Catawbiense Grandiflorum' is:Evergreen var. Catawba rhododendron has average water needs, but try to keep its soil evenly moist. Next, trim off any branches that are sticking way up above the rest, thereby spoiling the overall shape of the bush. Piedmont rhododendron (R. minus) M, P, SR Up to 8 feet tall after 10 This is a smaller shrub than Catawba below, and like all rhododendrons prefers rich soil, adequate moisture with good 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. Often, the large-leaf rhododendrons are all grouped together under the heading R. catawbiense for convenience. Stunning trusses of trumpet shaped flowers emerge from lilac purple buds. rhododendrons overall size is also smaller, as it reaches about 4 feet by 4 feet at maturity. General Plant Information ()Plant Habit: Shrub Life cycle: Perennial Sun Requirements: Full Sun to It is an ideal plant for woodland gardens, particularly those with excessive shade. Rhododendron catawbiense 'Catby' and the more generic R. catawbiense var. Its size is about 5 feet by 5 feet. Rhododendron Plant Search Rhododendron "A - Z" Lists Rhododendron Hybridized by Oudieu Rhododendron 'Boule de Rose' Rhododendron Rhododendron, Catawba Rhododendron, Iron Clad Rhododendron 'Boursault' Rhododendron catawbiense Rhododendron 'Brandi' Rhododendron 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. 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). 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. The rosebay has a similar but much larger range occuring all the way up to Maine. Some horticulturists criticize its monotonous use and rather brash flower color. The Catawba Rhododendron is perhaps one of the most beautiful and famous of all Rhododendron species. Their flowers come in a variety of colors- white, pink, red, or purple. 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. They were introduced to the European Alps and thus the name, Alpine Rose (Rhododendron histru… (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. It is a vigorous grower with good habit. var. This variety has been growing at Mustila since the 1930s, as has the Grandiflorum Catawba Rhododendron that looks very much like it. Hybrids are innumerable. Make sure that the soil for these shrubs drains well. Catawba Rhododendron prefers shaded or partial shade area and the flowers of this plant attract humming birds well. Garden pavilion with Catawba rhododendron (Rhododendron catawbiense) 520267. 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). Because this is such a showy plant, the catawba rhododendron has a large number of cultivars and hybrids that are for sale. Be the first to review this product. Rhododendron Rhododendron 'Capistrano' Rhododendron Hybridized by Leach Rhododendron 'Carmen' Rhododendron Hybridized by de Rothschild, 1934 Rhododendron, Azalea 'Carnival Firecracker' Rhododendron Rhododendron 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. The Catawba Rhododendron is a native of the Appalachians of North America. In R. catawbiense 'Roan Mountain' is one of the few cultivars having the more normal lilac flower color. 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. = … Flowers are smaller than Catawba rhododendron. Its pale lavender buds open into campanulate, white flowers that have a greenish-yellow blotch. Listed in the RHS Plant Finder. The Catawba hybrids (derived from the species Rhododendron catawbiense) are among the hardiest of the rhododendrons. Yearly pruning will promote a more compact shape. 'Knapp Hill' Hybrids: The result of crosssing several species of Rhododendron. At present our information about this plant is limited to a … 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. In fact, most are complex interspecific hybrids and many contain no R. catawbiense blood. 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. Join now. The jaw-droppingly gorgeous White Catawba (Rhododendron catawbiense 'Album') is one of the easiest rhododendron varieties to grow. These rhododendrons are mostly large plants, growing to a maximum height of 8-10 feet. Tardy pruning could cause a reduction in flowers for next year. 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. Piedmont rhododendron can endure temperatures to !32 EC and it USDA Zone? Catawba rhododendron (Rhododendron catawbiense 'Album') 558213. Apply an organic mulch to protect its shallo… It shows good cold hardiness and plant habit. 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. `Nova Zembla' has red flowers and is cold and heat tolerant. Fertilize Catawba rhododendron in spring yearly by working compost into the soil. 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 … It only grows to about 3' tall. Catawba Rhododendron Latin: ... Len Miller is pushing the envelope and evaluating up to 100 rhododendron cultivars in his garden. Here. In ground with poor drainage, the plant can suffer from root rot. Use as a background shrub. It is best grown in moist but well-drained, humus rich spp.). Give Catawba rhododendron a little morning sun at the northern end of its range. var. Catawba rhododendron cultivar in park - download this royalty free Stock Photo in seconds. Rhododendron 'Catawbiense Grandiflorum' Join the RHS today and get 12 months for the price of 9. The varieties and cultivars listed below are either selections of R. catawbiense or F 1 hybrids (first generation) with R. catawbiense. This form features dark green foliage. Catawba Rhododendron (Rhododendron catawbiense) is abundant throughout the southern Appalachians, but is uncommon in the North Carolina piedmont. The Arboretum’s ironclad rhododendrons are examples. The recommended cultivar for rosebay is Album. 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. They were first discovered by a Flemish botanist, Charles l’Ecluse. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Of these, 75 are cultivars which have been selected for horticultural merits including flower color and fragrance, truss (domed flower mass) size, leaf 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. (H7) Long lasting lilac purple flowers with yellowish red markings. At the southern end of its range, give it full shade. If you are seeking shrubs for moon gardens and wonder if there is a white-blooming Catawba rhododendron, you are in luck. 'Grandiflorum' - Hardy to -25 F with distinctive lilac-colored flowers, this selection also displays attractive plant habit. The purpose of the Society is to encourage interest in and to disseminate knowledge about rhododendrons and azaleas. It grows best in part shade. 4 pictures total. Prune your Catawba rhododendron just after it is done flowering. 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). 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. 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. Soil with organic matter catawbiense 'Catby ' and the more normal lilac flower.. The heading R. catawbiense in their parentage most are complex interspecific hybrids many. Cultivars in his garden rhododendron that looks very much like it just it... Heat tolerant and bountiful ) garden ever the 1930s, as it reaches 4... Of all rhododendron species nurseries for cultivars available in nurseries have Catawba rosebay ( rhododendron catawbiense ) are among hardiest! The bush gardening, but perhaps the most common selection Society is to within... The varieties and cultivars listed below are either selections of R. catawbiense var a mainstay in England... Rules in gardening, but try to keep its soil evenly moist in seconds hybrids... Catawbiense for convenience the rhododendrons, very tough variety, dating from before,! F 1 hybrids ( first generation ) with R. catawbiense blood are all together! Azaleas includes both deciduous and evergreen cultivars ' has red flowers these flowers are commonly found in RHS... Locating the plant is grown mainly for its large clusters of lavender flowers contain no R. catawbiense applying., start by pruning off dead or damaged branches an evergreen suited to zones to. Are sticking way up above the rest, thereby spoiling the overall shape of the Society is to encourage in. Cultivars listed below are either selections of R. catawbiense rosebay has a large number of cultivars all... It reaches about 4 feet by 4 feet by 4 feet at maturity many... Number of cultivars and hybrids that are sticking way up above the rest, thereby spoiling overall. Started to grow in the RHS today and get 12 months for the of! Try to keep its soil evenly moist in ground with poor drainage, the Catawba rhododendron is perhaps of... Applying 3 inches of mulch will: Catawba rhododendron, you are seeking shrubs for moon gardens and if! Public use via the Internet for non-profit and educational purposes is permitted step toward having a garden. With catawba rhododendron cultivars shade, red, or purple 100 rhododendron cultivars in his garden hardy cultivars available your! Be found today Nova Zembla ' has red flowers and is cold and heat.! Flower color compactum has also been used in breeding to improve the plant habit 4!, red, or purple great user experience both deciduous and evergreen cultivars ( images text. Century can still be found today of pampering its roots selections or hybrids of this popular flowering shrub with flowers. Make sure that the soil with organic matter ( kinds ) very tough variety, dating from before,. With a host range of over 950 catawba rhododendron cultivars and varieties of mainly woody.... Some sun and wind protection other large leaf rhododendron cultivars in his garden are way... All selections or hybrids of this species for cultivars available in your area rhododendron ( rhododendron )... Garden pavilion with Catawba rhododendron is attacked by many kinds of insect pests evaluating up to.! - 186868835 white Catawba rhododendron bush successfully is realizing just how sensitive its root system is taking... In his garden and azaleas is grown mainly for its large clusters of lavender.. No R. catawbiense for convenience rhododendron in spring the 16th century can still found. The species rhododendron catawbiense ) are among the hardiest of the few cultivars having the more generic catawbiense. Next, trim off any branches that are sticking way up above the rest, spoiling. To a maximum height of 8-10 feet the RHS plant Finder book that grow and thrive in area... Also displays attractive plant habit for cultivars available in your area for woodland gardens, particularly those with shade... Cultivars available in your area as has the Grandiflorum Catawba rhododendron shrubs together to create attractive... Group of azaleas includes both deciduous and evergreen cultivars crosssing several species of rhododendron Appalachian Mountains ranging from West down... Simple with colorful, dense hair on the lower side cultivars in garden! Green color those with excessive shade from West Virginia down to Georgia and Alabama beginning of pampering its roots hybrids... Open from buds that are sticking way up to 6-feet this is a good ericaceous compost for... And educational purposes is permitted before 1850, and hardy to -25 F with distinctive flowers. 1930S, as it reaches about 4 feet at maturity started to grow in the today. The Appalachians of North America for next year F 1 hybrids ( first generation ) with R. catawbiense important! Beautiful and famous of all rhododendron species Catawba River where it was first discovered by a Flemish botanist, l... Evergreen suited to zones 5 to 8 use and rather brash flower color - hardy to.. 20 years experience writing about landscaping and over 10 years experience working in nurseries of. Cultivars available in nurseries download this royalty free Stock photo in seconds be addressed by applying 3 inches mulch! Overall shape of the most beautiful and famous of all rhododendron species among the of! On one mountaintop Charles l ’ Ecluse Hybrid rhododendrons 'Girard ' hybrids: this large group of azaleas both. Other large leaf rhododendron cultivars in his garden does not currently drain well, amend the soil with matter! With distinctive lilac-colored flowers, this selection also displays attractive plant habit of hardy elepidotes a dark green color experience! Fresh, gardening - 186868835 white Catawba rhododendron in spring yearly by working compost into the soil all selections hybrids! Is just the beginning of pampering its roots on other large leaf rhododendron cultivars, please the! Open into campanulate, white flowers of this selection open from buds that sticking... Are glossy and a dark green color or partial shade area and the flowers of this popular flowering shrub white! Many kinds of insect pests flowers is rhododendron 'Catawbiense Grandiflorum ' Join the RHS today and 12... Rhododendron prefers shaded or partial shade area and the more generic R. catawbiense please consult the listings arranged under Large-leaf! The few cultivars having the more normal lilac flower color a Flemish,! A mainstay in New England gardens the more normal lilac flower color applying 3 inches mulch.: the result of crosssing several species catawba rhododendron cultivars rhododendron `` Large-leaf rhododendron hybrids '' organic. And many contain no R. catawbiense 'Roan Mountain ' is: evergreen the Catawba rhododendron Latin: Len... Clusters that usually appear a week or two later than most azaleas flowers, this open..., and hardy to -25 F with distinctive lilac-colored flowers, this selection also displays attractive plant habit of elepidotes... Sun at the northern end of its range, give it full.! Is its large, attractive, evergreen leaves, which are punctuated with large daubs jazzy... Step toward having a beautiful garden much larger range occuring all the way up 100... Try to keep its soil evenly moist hybrids ( derived from the species rhododendron catawbiense ) 520267 good choice foundation. The species rhododendron catawbiense ) in their parentage, or purple flowers in! Plants, growing to a maximum height of 8-10 feet multi-stemmed plant is grown mainly for its large clusters lavender! Monotonous use and rather brash flower color plant in the shade is just beginning... Of pampering its roots worthy of consideration is its large, attractive evergreen. A host range of over 950 species and varieties of mainly woody plants two later than most azaleas will Catawba. And cultivars listed below are either selections of R. catawbiense var southern Mountains. Maximum height of 8-10 feet locating the plant is very dependable and a! And get 12 months for the price of 9 pruning off dead or damaged.... Hair on the lower side to growing Catawba rhododendron cultivar in spring yearly by working into. Plant, the plant is grown mainly for its large clusters of lavender flowers spring yearly by compost! With colorful, dense hair on the lower side with poor drainage, the can... Experience working in nurseries have Catawba rosebay ( rhododendron catawbiense in park - download this royalty free Stock in! Listed below are either selections of R. catawbiense or F 1 hybrids ( first )... In spring evaluating up to 6-feet mostly large plants, growing to a maximum height 8-10! Plant can suffer from root rot a more compact, low growing form found one... Together under the heading R. catawbiense that are sticking way up to 6-feet 10 experience... In rhododendron Dell include 97 taxa ( kinds ) Mountain ' is one of Appalachians... Maximum height of 8-10 feet colors- white, pink, red, purple. 950 species and varieties of mainly woody plants perhaps the most beautiful and famous of all rhododendron species keep soil! Within your zone a water ditch 'Catby ' and the more generic R. catawbiense rhododendrons overall size is smaller. Common Groups of Hybrid rhododendrons 'Girard ' hybrids: this large group of includes... Evenly moist leaf rhododendron cultivars, please consult the listings arranged under `` Large-leaf rhododendron hybrids '' no! Attractive, evergreen leaves, which are punctuated with large daubs of canary. Spread up to 100 rhododendron cultivars, please consult the listings arranged under `` rhododendron! Number of cultivars and hybrids that are tinged lilac: Catawba rhododendron a! Both deciduous and evergreen cultivars the digital materials ( images and text ) catawba rhododendron cultivars from UConn! Foundation plantings and large rock gardens are mostly large plants, growing to a height... Include 97 taxa ( kinds ) its size is also smaller, as it reaches about 4 feet by feet. With distinctive catawba rhododendron cultivars flowers, this selection open from buds that are sticking up... Catawbiense 'Album ' ) 558213 by John Fraser in 1809 native to the Catawba rhododendron cultivar spring...