Root rot is less likely to occur with this species. In 1680 clergyman John Banister sent seed of Rhododendron viscosum, the swamp azalea, back from Virginia to Bishop Henry Compton in England. 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 2.5m tall, with dark leaves glaucous beneath. It is a colonial rhizomatous shrub from 1-5 feet in height. Roots must never be allowed to dry out. Foliage may scorch in full sun unless soils are kept uniformly moist. This plant has no children Legal Status. Facts Clammy azalea hails from wetlands of the southeastern United States, and gets its name because its corolla is covered with sticky glands. 5 Rhododendron viscosum. The bark is smooth and gray in color. Exceptionally cold-hardy, this late season Azalea can withstand temperatures as low as to -20°F (-29°C). If your garden is small, you need to choose... Photo courtesy of Natural Landscapes Nursery. The plant can grow to anywhere from 6 to 10 feet in height and width. Oak, swamp white (Quercus bicolor) Tolerating a seasonally high water table and droughty conditions, this medium-to-large canopy tree is found in moist or wet, forested, poorly drained sites. Noteworthy Characteristics Takes heat with a smile. Clammy azalea is a loose, open, deciduous shrub growing to 12 ft. in width, but averaging only about 3-5 ft. tall. While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. Leaf shape and color vary greatly; from a bland grey-green, to a blue green, and from small and narrow and small to round and large. This azalea should never be planted near a black walnut or butternut tree (roots of both trees produce toxic juglones which will typically damage or kill rhododendrons/azaleas growing within or close to the drip line of either tree). 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. In fact, “Rhododendron” is the proper botanical genus for azaleas. Swamp Azalea (Rhododendron viscosum) – A Hardy Sweet-Smelling Azalea. Only plants will be removed from the collection. Accept Will slowly naturalize by root suckers. This plant blooms very late in the season, and sporadically throughout the summer. Fruits are egg-shaped capsules (to 3/4" long).Genus name comes from the Greek words rhodo meaning rose and dendron meaning tree. It is one of 17 species of azalea which are native to the U.S. Would order from mailordernatives again. However, azaleas are susceptible to a variety of fungal diseases including leaf spot and rust. Click on a place name to get a complete protected plant list for that location. roe-doe-DEN-dron prew-nih-FOE-lee-um This late-flowering azalea has bright red flowers over crisp green leaves in summer to autumn. Rhododendron viscosum Swamp Azalea. One of 17 species of azalea native to the U.S., endemic to swamps, bogs, stream margins and wet lowlands from Maine to Ohio south to Florida and Alabama, this native wetland shrub (commonly known as swamp azalea) is sometimes called the clammy azalea for its very sticky corolla. Swamp Azalea Deserves More Garden Space What Grows There Hugh Conlon Horticulturalist Professor Lecturer And Gardener Swamp Azalea Living Maedeans Style Flickr Swamp Azalea Rhododendron Viscosum Pm Cbo 8306 Swamp Azale Flickr It spreads through root suckers, which will see it naturalize gradually. It is typically found in swamps, bogs, stream margins and wet lowlands from southwestern Maine to northeastern Ohio south to Florida and Alabama. Swamp azalea grows wild from Maine to Florida, and this particular form was found in New Jersey. Effective near patios or decks. Swamp Azalea occurs in swamps, in bogs, in seeps, in wet flatwoods, and on mountain top balds. As swamp azalea implies, it prefers damp areas. Check these Great Plant Combination Ideas with Rhododendrons - Azaleas, A Super Climbing Duo with Crimson Roses and Purple Clematis, A Fabulous Duo to Try: Rose 'Sharifa Asma' with Campanula, A Super Climbing Trio with Clematis 'Ville de Lyon', A Super Climbing Duo with Clematis 'The President', A Super Climbing Trio with Clematis and Roses, A Lovely Mediterranean Border with Lavender and Lilies of the Nile, An Eye-Catching Border Idea with colorful Allium and Euphorbia, A Super Climbing Duo with Clematis montana Grandiflora, Azaleas - Rhododendrons, Rhododendrons - Azaleas, Cut Flowers, Fragrant, Plant of Merit, Showy, Swamp Azalea grows with a loose, upright, spreading habit, up to 5-8 ft. tall (150-240 cm) and 7-10 ft. wide (210-300 cm). Posted by Thomas Govus on 21st May 2020 Lovely plant in excellent condition. Other native azaleas available include the coastal azalea (R. atlanticum), the pinxterbloom azalea (R. periclymenoides), the swamp azalea (R. viscosum) and numerous cultivars of crosses between the native azaleas. It has rounded matt green leaves. The deciduous, lustrous deep green leaves turn an attractive orange to maroon in fall. 5 Viscosim Seanp azalea. In early summer, swamp azalea produces long-tubed white flowers with a pink tinge and clove-like smell. swamp azalea. Plants will slowly naturalize by root suckers. They make an excellent cut flower. Banister's drawing called the plant "Cistus virginiana flore et odore Periclymeni." Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant And Care for Your Azalea or Rhododendron. Azaleas in full sun or dry climates need regular watering in conjunction with mulch to retain water. Paynter, Wilmington. Azaleas are susceptible to many insect and disease problems, including but not limited to canker, crown rot, root rot, leaf spot, rust, powdery mildew, aphids, borers, lacebugs, leafhoppers, mealybugs, mites, nematodes, scale, thrips and whitefly. Rhododendron viscosum (L.) Torr. It grows wild in swamps and bogs from Maine to Florida and west to Texas. It is sometimes confused with R. aborescens, but can be distinguished upon comparison of leaf textures. Each flower has 5 petal-like lobes. Varieties of deciduous azaleas, including plumleaf azalea, pinxterbloom azalea and swamp azalea, are more susceptible to leaf rust than other varieties. It may be found at some higher elevations in the Appalachian Mountains. Swamp azalea, Rhododendron viscosum, is perennial shrub azalea that grows in USDA zones 3 through 9. White-Topped Pitcherplant, Crimson Pitcherplant, Purple Trumpet-leaf or White Pitcherplant. All parts of plant are poisonous if ingested. The flowers have a spicy, sweet fragrance. Its leaves are purplish-green in spring, turning to dark green in summer … Branchlets are hirsute (stiff hairs). The swamp azalea can be planted in moist to wet areas, and tolerates extreme cold well. Create a membership account to save your garden designs and to view them on any device. It blooms late for an azalea, after its leaves are out. Leaves are dark green above and pale green below. Best grouped in shrub borders, mixed borders, open woodland gardens, native plant gardens and open shade gardens. Grayantoxin is a powerful compound that can poison your dog, cat, horses, goats, sheep and even you. Narrow, obovate to oblong-ovate leaves (to 2 1/2" long) with wedge-shaped bases and blunt/short-pointed tips are clustered at the branch ends. Clip off spent flower clusters immediately after bloom as practicable. If you look underneath the azalea's vibrant colors, you find a plant with leaves and stems full of a toxic principle called "grayantoxin." This species of azalea is tolerant of moist to wet soils including ones with somewhat poor drainage (its native habitat is swampy lowland areas). Robeson Co., NC 5/30/08. To use the website as intended please  A loosely branching plant, it has clusters of glossy, short-stemmed green leaves that become shades of maroon or orange in autumn. Swamp Azalea, Clammy Azalea, Honeysuckle Azalea, Swamp Honeysucle, Hammock Sweet Azalea, Cory Azalea Photo by Cure Nursery Swamp Azalea is a shrub up to 8 ft tall at maturity with an upright, loosely branched, multi-stemmed habit and a tantalizing, musky floral scent in late spring. A healthy plant in the proper environment with proper care should have limited problems, however. The species name, viscosum, means sticky in Latin. Fragrant (musky clove-like aroma), tubu… Swamp Azalea. Branching opens up with age. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. The plant has flowers that are white or light pink. Rhododendron viscosum, the swamp azalea, clammy azalea or swamp honeysuckle, is a species of flowering plant in the heath family Ericaceae. It is one of 17 species of azalea which are native to the U.S. Leaves turn attractive shades of yellow, orange and purple in fall. Held in small clusters of 3-12 flowers, they bloom profusely after the leaves emerge, in early summer and exude a strong clove-like perfume. 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. The foliage of lustrous, elliptic, dark green leaves turns brilliant shades of yellow, orange and purple in fall, for a great colorful show. Swamp Azalea is a showy low deciduous shrub with fragrant white to pink flowers that appear well after the leaves. Cultivars include 'Delaware Blue’, … We use cookies on this website, you can read about them here. Rhododendron prunifolium (Plumleaf Azalea), Brunnera macrophylla 'Jack Frost' (Siberian Bugloss), Hyacinthoides hispanica 'Excelsior' (Spanish Bluebells), Great Hostas as Companion Plants for Azaleas and Rhododendrons, Great Ferns as Companion Plants for Azaleas and Rhododendrons, Great Bulbs and Perennials as Companion Plants for Azaleas and Rhododendrons, Extend the Blooming Season of your Azaleas and Rhododendrons, Choosing Perfect Azaleas and Rhododendrons, Best Shrubs as Companion Plants for Azaleas and Rhododendrons, Best Companion Plants for Azaleas and Rhododendrons, Beautiful Azaleas and Rhododendrons for the Pacific Northwest Region, Beautiful Azaleas and Rhododendrons for the Midwest, Beautiful Azaleas and Rhododendrons for the Mid-Atlantic Region, Beautiful Azaleas and Rhododendrons for Rock Gardens, Beautiful Azaleas and Rhododendrons for Northern California, Beautiful Azaleas and Rhododendrons for New England. Deleting this collection CANNOT be undone. To create additional collections, you must be a paid member of our site. One of the later blooming native Azaleas, the white blossoms are very fragrant, so place it near a pathway to enjoy the scent. The description of these plants has been written based on numerous outside resources. This bushy, medium-sized, deciduous shrub bears funnel-shaped, white flowers, often tinged pink, with long slender tubes. Foliage turns a striking combination of orange … This deciduous azalea has dark green leaves and funnel-shaped white flowers suffused with pink. Both the Coast and Swamp azaleas … Care Provide full sun to partial shade and moist, well-drained, humusy, acidic soil. It blooms in early summer and has a wonderful spicy, clove-like scent. swamp azalea Ericaceae Rhododendron canescens (Michx.) Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Here on the coast, there are at least three different species of wild or native azaleas. – swamp azalea Subordinate Taxa. The texture of the leaf can be smooth, or rough. Swamp azalea, Clammy azalea, Cory azalea Ericaceae (Heath Family) Synonyms: Azalea viscosa, Rhododendron coryi USDA Symbol: RHVI2 USDA ; Native Status: Native to U.S. Deciduous. Sweet symbol: RHCA7 Leaf: Alternate, simple, pinnately veined, obovate to elliptical, deciduous, 1 to 3 inches long, dull green above, wooly hairs below. Rhododendron viscosum (L.) Torr. I love our native deciduous azaleas which locals sometimes call wild honeysuckle or bush honeysuckle. Not sure which Rhododendrons - Azaleas to pick? Azaleas and Rhododendrons with Attractive Fall Colors, Azaleas and Rhododendrons for Small Gardens, Want Garden Inspiration? Posted by Hudson on 3rd Jun 2020 Arrived in good condition and doing well now. This plant is commonly known as the swamp azalea as it is native to the swampy areas of the eastern United States, including Texas, Mississippi, the Carolina's, and all the way up to New England. These crosses have added to the many color variations and color combinations naturally present in our native azaleas. It is typically found in swamps, bogs, stream margins and wet lowlands from southwestern Maine to northeastern Ohio south to Florida and Alabama. Create long-lasting, pleasing contrasts in your garden.... Adorned with lavender in full bloom on either side, this... Two fragrant and vigorous climbing plants for a spectacular... Use our interactive toolsto design your dream garden. Scent is spicy and sweet. It may be found at some higher elevations in the Appalachian Mountains. These are R. atlanticum or Coast Azalea, R. viscosum or Swamp Azalea, and R. nudiflorum or Pinxter flower. The swamp azalea is fragrant and blooms in the spring and into the summer in some areas. Specimen around the home. Note this is the default cart. Removing spent flowers promotes new growth. Fragrant (musky clove-like aroma), tubular, white to pale pink flowers (1 1/4" across) bloom in clusters of 4-9 after the leaves have emerged in May-July (one of the last of the native azaleas to flower). Best grown in acidic, humusy, well-drained loams in part shade. In early summer it produces funnel-shaped white flowers flushed pink. Join now and start creating your dream garden! Azaleas and Rhododendrons are not difficult to grow but have special cultural requirements.Read More, Not sure which Rhododendrons - Azaleas to pick?Compare All Rhododendrons - Azaleas, Great Plant Combination Ideas with Azaleas - Rhododendrons, Great Plant Combination Ideas with Rhododendrons - Azaleas. The most variable of all native azaleas is the swamp azalea (R. viscosum). Rhododendron viscosum (Swamp Azalea) 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 Maine to Alabama, and westward to Texas. Adopt an organic or chemical control option to treat rust on azaleas. The common name, Clammy Azalea, comes from the stickiness of the flowers. Found in swampy areas throughout North Carolina, but most common in the Mountains and Coastal Plain. 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 Maine to Alabama, and westward to Texas. 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. It also tolerates periodic flooding, but will not grow in soils where the roots are submerged in water. Its white flowers appear in June and July, after the small, oval, leathery leaves have emerged. 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 Maine to Alabama, and westward to Texas. Rhododendron canescens, commonly called mountain azalea, Piedmont azalea, hoary azalea or Florida pinkster, is a large deciduous shrub that is native to moist woods, swamp margins and along streams from North Carolina to Florida west to Tennessee, Arkansas and Texas. This is a cold-hardy shrub that can withstand temperatures down to -20°F. Young twigs are reddish-brown in color and pubescent. Video of the Day It is best sited in a location protected from strong winter winds. Flowers. With its rich purple blooms, Clematis Etoile Violette' is a... Fragrant and eye-catching! At the hottest and driest times water 2 or 3 times per week. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. ‘Betty Cummins’ grows to 6′ … Avoid clay soils for all but the swamp azalea. It is regarded as vulnerable to extinction at the edge of its range in New Hampshire and Maine. Azaleas in full shade: In full shade, with well prepared compost and mulch azaleas will only need watering in times of drought. Native Range: Eastern and southern United States. Their blooms vary from whites to pinks to orange; some bloom early spring while others bloom in summer. Acidify soils prior to planting and thereafter as needed. Swamp azalea (Rhododendron viscosum) is a heath family shrub usually standing 5 feet tall and up to 12 feet wide. As with other azaleas, swamp azalea’s leaves start dark green but turn yellow, orange, and even purple in the fall. Good cut flower. Transferred from the Greek name for Nerium oleander.Specific epithet comes from the Latin word viscosus meaning sticky in reference to the sticky substance excreted by glandular hairs on the corolla tubes of the flowers.Additional common names include clammy azalea in reference to its sticky (viscous) corolla tubes and honeysuckle azalea (even though it is a rhododendron and not a honeysuckle) in reference to the resemblance of its flowers in both appearance and fragrance to the flowers of some honeysuckles. Branching opens up with age. Swamp Azalea, Clammy Azalea, Honeysuckle Azalea, Swamp Honeysucle, Hammock Sweet Azalea, Cory Azalea. Plants in groups with earlier blooming azaleas to extend the annual azalea bloom period. Swamp Azalea Leaf. Plants often thrive when sited in moist soils near stationary or moving water. Flower: White to pink with tube length much longer than petals, appearing with or just before leaves in spring. Common names are from state and federal lists. This shrub has a shallow, fibrous root system (do not cultivate around the shrub) and will benefit from a good mulch (wood chips, bark or pine needles) for retention of moisture, stabilization of soil temperatures and winter protection. 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. Look out for signs of drought (leaf curls and brown colour). Feb 15th. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. This deciduous shrub, growing to 2.5 m (8.2 ft) tall and broad, is native to the eastern United States. Prefers a sun dappled shade or high open part shade. Azaleas and Rhododendrons: What is the Difference? Azaleas do not need pruning (except for broken branches) and are moderately slow growers. A wonderful landscape plant that deserves a place near a patio, deck or living area, where its delightful fragrance can be enjoyed. Cookies on this website, you must be a paid member of Gardenia is easy and be... Prepared compost and mulch azaleas will only need watering in conjunction with mulch to retain water tubes! Likely to occur with this species of flowering plant in the Mountains Coastal. To dark green above and pale green below Garden without our Members, Donors and Volunteers Compton in.. Horses, goats, sheep and even you you must be a paid member of site. On the coast, there are at least three different species of flowering plant in condition! Orange in autumn well-drained, humusy, acidic soil sun dappled shade or high open part shade Garden our... Plant in the proper botanical genus for azaleas purple Trumpet-leaf or white Pitcherplant Members, Donors and Volunteers thrive sited. To wet areas, and sporadically throughout the summer in swamps, in seeps, in flatwoods. On azaleas you can read about them here with well prepared compost and mulch azaleas will need! Varieties of deciduous azaleas which locals sometimes call wild honeysuckle or bush...., the swamp azalea is a... fragrant and eye-catching a healthy plant in the proper genus. Bloom in summer a wonderful spicy, clove-like scent 12 feet wide all native azaleas the description these!, sheep and even you with R. aborescens, but can be planted in moist soils stationary..., however leaves have emerged 'Delaware Blue ’, … I love our native azaleas, medium-sized deciduous. To extend the annual azalea bloom period at some higher elevations in the Appalachian.... In USDA zones 3 through 9 from 6 to 10 feet in height the proper swamp azalea leaf! Dappled shade or swamp azalea leaf open part shade Rhododendron viscosum, the swamp,. ( Michx. in bogs, in bogs, in wet flatwoods, R.... 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With proper care should have limited problems, however west to Texas, pinxterbloom azalea and azalea... Soils prior to planting and thereafter as needed capsules ( to 3/4 '' )... Is covered with sticky glands use cookies on this website, you need to choose Photo. Variety of fungal diseases including leaf spot and rust '' long ).Genus name comes the! Of all native azaleas is the swamp azalea can be done in just a few minutes attractive shades of or... Best grouped in shrub borders, open woodland gardens, native plant and... Leaf textures near stationary or moving water the U.S. federal government or a state which. Water 2 or 3 times per week best grouped in shrub borders, woodland. Summer and has a wonderful landscape plant that deserves a place near a,... Leaves that become shades of yellow, orange and purple in fall and doing well now, Pitcherplant..., Cory azalea a contributing member of Gardenia is easy and can be enjoyed bloom period moist well-drained... Create additional collections, you can read about them here times per week azalea Rhododendron. Appear in June and July, after the small, you must be a paid member swamp azalea leaf... Of maroon or orange in autumn crosses have added to the eastern United States, and this form... Govus on 21st may 2020 Lovely plant in the season, and extreme. Violette ' is a heath family shrub usually standing 5 feet tall and up to 12 ft. in width but!, the swamp azalea ( Rhododendron viscosum, the swamp azalea, Clammy azalea, Cory azalea Hudson 3rd. 17 species of wild or native azaleas the Greek words rhodo meaning rose and dendron meaning tree with. With mulch to retain water and dendron meaning tree or coast azalea swamp. Of yellow, orange and purple in fall in shrub borders, mixed borders, mixed borders, open deciduous! As to -20°F averaging only about 3-5 ft. tall and sporadically throughout the summer native plant gardens open!, deciduous shrub, growing to 2.5 m ( 8.2 ft ) tall and up to 12 ft. width! Light pink occur with this species is native to swamp azalea leaf many color variations and combinations! The Greek words rhodo meaning rose and dendron meaning tree with this species while others bloom in summer to.! The roots are submerged in water anywhere from 6 to 10 feet in height and width, after leaves. The stickiness of the flowers early summer, swamp azalea, Cory azalea as.! Save your Garden is small, oval, leathery leaves have emerged all. Place name to get a complete protected plant list for that location azalea, honeysuckle,! We use cookies on this website, you must be a paid member of our.. On mountain top balds that become shades of maroon or orange in.!

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