It is typically found in swamps, bogs, stream margins and wet lowlands from southwestern Maine to northeastern Ohio south to Florida and Alabama. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Video of the Day 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. Swamp Azalea (Rhododendron viscosum) – A Hardy Sweet-Smelling Azalea. 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). The most variable of all native azaleas is the swamp azalea (R. viscosum). It has rounded matt green leaves. Rhododendron viscosum, the swamp azalea, clammy azalea or swamp honeysuckle, is a species of flowering plant in the heath family Ericaceae. Each flower has 5 petal-like lobes. swamp azalea. 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. The swamp azalea can be planted in moist to wet areas, and tolerates extreme cold well. Foliage may scorch in full sun unless soils are kept uniformly moist. Create a membership account to save your garden designs and to view them on any device. Clip off spent flower clusters immediately after bloom as practicable. Posted by Thomas Govus on 21st May 2020 Lovely plant in excellent condition. These crosses have added to the many color variations and color combinations naturally present in our native azaleas. Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant And Care for Your Azalea or Rhododendron. Plants often thrive when sited in moist soils near stationary or moving water. Azaleas in full sun or dry climates need regular watering in conjunction with mulch to retain water. The plant can grow to anywhere from 6 to 10 feet in height and width. 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. Leaves turn attractive shades of yellow, orange and purple in fall. Found in swampy areas throughout North Carolina, but most common in the Mountains and Coastal Plain. These are R. atlanticum or Coast Azalea, R. viscosum or Swamp Azalea, and R. nudiflorum or Pinxter flower. Branching opens up with age. Swamp Azalea is a showy low deciduous shrub with fragrant white to pink flowers that appear well after the leaves. However, azaleas are susceptible to a variety of fungal diseases including leaf spot and rust. Clammy azalea is a loose, open, deciduous shrub growing to 12 ft. in width, but averaging only about 3-5 ft. tall. Swamp azalea grows wild from Maine to Florida, and this particular form was found in New Jersey. This species of azalea is tolerant of moist to wet soils including ones with somewhat poor drainage (its native habitat is swampy lowland areas). Click on a place name to get a complete protected plant list for that location. Azaleas do not need pruning (except for broken branches) and are moderately slow growers. Care Provide full sun to partial shade and moist, well-drained, humusy, acidic soil. Azaleas and Rhododendrons: What is the Difference? Noteworthy Characteristics Takes heat with a smile. Leaves are dark green above and pale green below. Join now and start creating your dream garden! At the hottest and driest times water 2 or 3 times per week. Cultivars include 'Delaware Blue’, … The flowers have a spicy, sweet fragrance. Acidify soils prior to planting and thereafter as needed. The common name, Clammy Azalea, comes from the stickiness of the flowers. 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 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. Foliage turns a striking combination of orange … 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. A wonderful landscape plant that deserves a place near a patio, deck or living area, where its delightful fragrance can be enjoyed. Swamp Azalea occurs in swamps, in bogs, in seeps, in wet flatwoods, and on mountain top balds. This deciduous shrub, growing to 2.5 m (8.2 ft) tall and broad, is native to the eastern United States. It is a colonial rhizomatous shrub from 1-5 feet in height. Root rot is less likely to occur with this species. 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. Branching opens up with age. Azaleas in full shade: In full shade, with well prepared compost and mulch azaleas will only need watering in times of drought. 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. 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. A loosely branching plant, it has clusters of glossy, short-stemmed green leaves that become shades of maroon or orange in autumn. Best grouped in shrub borders, mixed borders, open woodland gardens, native plant gardens and open shade gardens. It may be found at some higher elevations in the Appalachian Mountains. Posted by Hudson on 3rd Jun 2020 Arrived in good condition and doing well now. It blooms in early summer and has a wonderful spicy, clove-like scent. Facts Clammy azalea hails from wetlands of the southeastern United States, and gets its name because its corolla is covered with sticky glands. 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In early summer it produces funnel-shaped white flowers flushed pink. 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. The texture of the leaf can be smooth, or rough. Swamp azalea (Rhododendron viscosum) is a heath family shrub usually standing 5 feet tall and up to 12 feet wide. Common names are from state and federal lists. Only plants will be removed from the collection. Look out for signs of drought (leaf curls and brown colour). It blooms late for an azalea, after its leaves are out. Grayantoxin is a powerful compound that can poison your dog, cat, horses, goats, sheep and even you. Specimen around the home. To create additional collections, you must be a paid member of our site. Plants in groups with earlier blooming azaleas to extend the annual azalea bloom period. Robeson Co., NC 5/30/08. 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. Here on the coast, there are at least three different species of wild or native azaleas. Young twigs are reddish-brown in color and pubescent. swamp azalea Ericaceae Rhododendron canescens (Michx.) It is sometimes confused with R. aborescens, but can be distinguished upon comparison of leaf textures. Would order from mailordernatives again. This plant blooms very late in the season, and sporadically throughout the summer. Accept Banister's drawing called the plant "Cistus virginiana flore et odore Periclymeni." Branchlets are hirsute (stiff hairs). Rhododendron viscosum (L.) Torr. 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. Note this is the default cart. With its rich purple blooms, Clematis Etoile Violette' is a... Fragrant and eye-catching! This deciduous azalea has dark green leaves and funnel-shaped white flowers suffused with pink. Not sure which Rhododendrons - Azaleas to pick? We use cookies on this website, you can read about them here. Their blooms vary from whites to pinks to orange; some bloom early spring while others bloom in summer. Removing spent flowers promotes new growth. They make an excellent cut flower. It is one of 17 species of azalea which are native to the U.S. In 1680 clergyman John Banister sent seed of Rhododendron viscosum, the swamp azalea, back from Virginia to Bishop Henry Compton in England. White-Topped Pitcherplant, Crimson Pitcherplant, Purple Trumpet-leaf or White Pitcherplant. This bushy, medium-sized, deciduous shrub bears funnel-shaped, white flowers, often tinged pink, with long slender tubes. 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. A healthy plant in the proper environment with proper care should have limited problems, however. Deleting this collection CANNOT be undone. Scent is spicy and sweet. The bark is smooth and gray in color. Roots must never be allowed to dry out. 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. If you look underneath the azalea's vibrant colors, you find a plant with leaves and stems full of a toxic principle called "grayantoxin." 5 Rhododendron viscosum. 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. 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). I love our native deciduous azaleas which locals sometimes call wild honeysuckle or bush honeysuckle. 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. 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