R. viscosum is a bushy deciduous shrub to 2.5m tall, with dark leaves glaucous beneath. It is included in an evolving list of plants carefully researched and chosen by RHS experts. Rhododendron viscosum, the swamp azalea,[1] clammy azalea or swamp honeysuckle,[2] is a species of flowering plant in the heath family Ericaceae. RHS members can get exclusive individual advice from the RHS Gardening Advice team. Found in bogs, pocosins, wet savannas, stream sides and other moist habitats, Swamp Azalea will also do well in gardens with some shade and average moisture. Our cultivar of R. viscosum … Clammy Azalea. Height: 5-7'. If you select any attributes with or without a plant name, you will see a much narrower selection of results taken only from the old RHS Plant Selector database. Excellent lustrous green foliage. Rhododendron Flammeum. Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; sun tolerant if soil remains reliably moist; see rhododendron cultivation, Propagation From a botanical point of view, deciduous azaleas are part of the rhododendron family, but typically they only have 5-7 stamens in the flowers instead of 11-13 stamens present in other rhododendrons. Moderate pink, darker median lines, faint yellow blotch, fragrant.Flower Colour : Pink, scentedFlowering Time : May Scented : Yes Ultimate Height : 3.00 metres / 9 feet 10 inchesParentage : viscosum x mollisHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Azaleas - Deciduous (viscosum… Propagate by seed when ripe, or semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter, Suggested planting locations and garden types Cooperative … Bright yellow long tubular flowers tinged yellowish pink in a honeysuckle shape. Easy to grow. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, General enquiries This group of deciduous Rhododendrons includes many different species. The original plant is 9 ft high and 21 ft in spread. Price includes delivery. In the past, plants called R. serrulatum (hammocksweet), R. oblongifolium (Texas azalea), and R. coryi were recognized as separate species, but now all have been classified as various forms of R. viscosum . Rhododendron viscosum, the swamp azalea, clammy azalea or swamp honeysuckle, is a species of flowering plant in the heath family Ericaceae. They are: This plant will provide nectar and pollen for bees and the many other types of pollinating insects. ‘Viscosepalum’ is much nearer to R. viscosum than is … Species bloom at various times of year, from early spring to late ... Rhododendron viscosum [Includes the R. serrulatum (see viscosum), R. oblongi-folium (see viscosum… Height 125-150cm in 10 years. 10-20 years, Cultivation Deciduous Azalea Varieties. Grow to 1.2-1.6m, ultimately 2-2.5m+. … Flowers often occur before leaves emerge. Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. 1.5-2.5 metres, Time to ultimate height R. viscosum was the first North American azalea grown in England. The species was an important parent in early hybridzing efforts with deciduous azaleas. Excellent for ordinary use in appropriate conditions. ... Deciduous Azalea with very fragrant … Rhododendron serrulatum Rhododendron oblongifolium, Family Rhododendron viscosum (L.) Torr. Rhododendron viscosum NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Light requirements: Part Shade. It is typically found in swamps, bogs, stream margins and wet lowlands from southwestern Maine to northeastern Ohio south to Florida and Alabama. Aids to Identification: Clammy azalea … This plant can grow in wet or boggy places, so is useful to those without good drainage. This is a lovely late flowering scented variety for June with an upright habit. Moderate pink, darker median lines, faint yellow blotch, fragrant.Flower Colour : Pink, scentedFlowering Time : May Scented : Yes Ultimate Height : 3.00 metres / 9 feet 10 inchesParentage : viscosum x mollisHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Azaleas - Deciduous (viscosum… Recommended for late scented flowers. The flowers have prominent stamens and are strongly fragrant. Gallon plant. Viscosa azaleas are lax deciduous shrubs with fairly small leaves and trusses of funnel-shaped, fragrant flowers in early summer, Details suppliers. Rhododendron viscosum. Try an advanced search, RHS Registered Charity no. Price includes delivery. Ericaceae, Genus Hardiness Zone: 4. Native to the eastern United States, Rhododendron viscosum is a hardy selection that thrives in moist, well-drained soils, and is also salt tolerant. At Maple Valley Nursery, we propagate and grow over 70 varieties of native azaleas and their deciduous hybrids. 2 varieties of Rhododendron viscosum in NC [see Habitat Description]. The flowers have a spicy, sweet fragrance. It is one of 17 species of azalea which are native to the U.S. Foliage turns a striking combination of orange and maroon before dropping for the season. Many of the native Viscosum selections from Weston Nursery bloom Midsummer … These plants will have a lot more details displayed including an image. In cultivation in the UK, Rhododendron viscosum has gained the Royal Horticultural Society’s Award of Garden Merit. Bloom time is throughout the season, some late in the fall. Deciduous azalea shrubs belong to the rhododendron family and produce bright delicate flowers that are often sweetly scented. Swamp Azalea. This deciduous azalea has dark green leaves and funnel-shaped white flowers suffused with pink. May be affected by various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus. Our Botanical team are working hard to increase the number of plants with detailed information. Speciosum. $24.95. State Rank: S1; Global Rank: G5; State Status: Endangered ; Habitat: Swamps, thickets and damp clearings. AZALEA VISCOSUM* H5 (swamp honeysuckle) Sweetly-scented small white flowers in June-July with a fine scent. Project Gutenberg Literary Archive Foundation, https://en.wikipedia.org/w/index.php?title=Rhododendron_viscosum&oldid=994263055, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 December 2020, at 21:08. 020 3176 5800 It blooms late for an azalea… Minimum temperature ranges (in degrees C) are shown in brackets, Aspect South-facing or East-facing or West-facing, Ultimate height ... Deciduous Azalea with very fragrant … This hardy viscosum hybrid has brilliant lemon yellow flowers with a subtle lemon fragrance and red fall foliage. Deciduous azalea Hybrids £14 each ex VAT. This deciduous shrub, growing to 2.5 m (8.2 ft) tall and … Horticultural Group Viscosa azaleas are lax deciduous shrubs with fairly small leaves and trusses of funnel-shaped, fragrant flowers in early summer Details R. viscosum is a bushy deciduous shrub to … Habit is highly variable and is … Speciosum. One of the later blooming native Azaleas, the white blossoms are very fragrant, so place it near a pathway to enjoy the scent. times, Need more criteria? Swamp Azalea. $24.95. Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience. Flowers are sticky--hence the name R. viscosum. Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes, Horticultural Group Characteristics. Fragrant (musky clove-like aroma), tubu… Gallon plant. Oconee Azalea. Eastern N America, All ratings refer to the UK growing conditions unless otherwise stated. the RHS today and get 12 months for the price of 9, Other common names Valued for its luminous flowers and showy fall color, multiple award-winning Rhododendron 'Homebush' is a small deciduous shrub which produces dense, perfectly round trusses of 14 to 16 rose-pink … [2][3] It is hardy down to −20 °C (−4 °F) but like most rhododendron species requires a sheltered position in dappled shade with acid soil that has been enriched with leaf mould. Swamp Azalea. Flower borders and beds Deciduous Azaleas This is where the Rhododendron world shares the colors of the rainbow, bright reds, mauves, pinks with white stripes, pure whites but also striking yellows and oranges. AGM plants have been through a rigorous trial and assessment programme. [Hardwood to mixed forest (forest, upland); Forested wetland] Range: Southwestern Maine to northeastern Ontario, south to South Carolina and Tennessee. $24.95. Rhododendron viscosum, commonly known as swamp azalea, is a loose, upright-spreading, deciduous woody shrub that typically grows to 3-5' (less frequently to 8') tall. Parentage: viscosum X … Native deciduous azaleas come in a wide range of colors, and many are delight-fully fragrant. Rhododendron viscosum. Very fragrant, narrowly funnel-shaped white flowers, up to 4cm wide, flushed deep pink on the tube, open in early to mid summer, Plant range The Royal Horticultural Society is the UK’s leading gardening charity. Rhododendron viscosum is also known as the swamp azalea, catch-fly azalea (due to sticky and glandular hairs), and clammy azalea. We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records. Oconee Azalea. We are currently growing Rhododendron austrinum, alabamense, arborescens, calendulaceum, canescens, cumberlandense, flammeum, viscosum… It has rounded matt green leaves. Prized for its strongly-scented flowers and beautiful fall foliage, Rhododendron viscosum, commonly known as Swamp Azalea, is a very appealing native to the swamps of the eastern United States, from … 222879/SC038262, If you enter just a plant name, you will see results from the old RHS Plant Finder and Selector databases. Bishop Henry Compton raised the plant in 1680 from seed collected by John Bannister, an English Missionary. swamp azalea swamp honeysuckle, Synonyms This deciduous shrub, growing to 2.5 m (8.2 ft) tall and broad, is native to the eastern United States. Another deciduous azalea native to the eastern United States. R. viscosum, commonly known as swamp azalea, is native to the east coast of the the USA, and is very fragrant. Group:Deciduous Azalea (viscosum hybrid). Search by plant name, key attributes or both to find plant details and a list of We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. That last of the azaleas to bloom--in Florida May to June. The most aromatic of the azaleas. Join 1.5-2.5 metres, Ultimate spread Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually. Perfect for grouping at the edge of wooded areas, viscosum tolerates open shaded areas and a fair amount of soil moisture with ease, making it valuable for other landscape spots while it specializes in … In early summer it produces funnel-shaped white flowers flushed pink. Rhododendron Flammeum. Rhododendron … It was developed by crossing the North American white Swamp Azalea R. viscosum with the ultra-hardy, ultra-showy R. mollis 'Koster's Brilliant Red' (a misnomer since it's brilliant orange; a true red deciduous … Rhododendron viscosum Swamp Azalea The most variable of all native azaleas is the swamp azalea ( R. viscosum ). The long tubular white flowers have an amazing fragrance similar to Jasmine, and cover this deciduous azalea in mid summer. Spread: 6-8'. Showcases a wonderful display of tubular, clove-scented white flowers in June. It may be found at some higher elevations in the Appalachian Mountains. $24.95. Its large land area includes growth on the coastal area of … Deciduous, bears trusses of 4-12 narrowly tubular to funnel shaped flowers. City & Courtyard Gardens Cottage & Informal Garden, Pests May be attacked by vine weevil, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids, Diseases Branching opens up with age. Can be … They … This plant blooms very late in the season, and sporadically … A hybrid between R. molle (Azalea sinensis) and R. viscosum, raised at the Knap Hill Nursery before 1842. 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