Root rot is less likely to occur with this species. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Fruits are egg-shaped capsules (to 3/4" long).Genus name comes from the Greek words rhodo meaning rose and dendron meaning tree. Here on the coast, there are at least three different species of wild or native azaleas. The swamp azalea can be planted in moist to wet areas, and tolerates extreme cold well. The species name, viscosum, means sticky in Latin. Rhododendron viscosum, the swamp azalea, clammy azalea or swamp honeysuckle, is a species of flowering plant in the heath family Ericaceae. 5 Rhododendron viscosum. Specimen around the home. It may be found at some higher elevations in the Appalachian Mountains. 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. Adopt an organic or chemical control option to treat rust on azaleas. The texture of the leaf can be smooth, or rough. Swamp azalea grows wild from Maine to Florida, and this particular form was found in New Jersey. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Facts Clammy azalea hails from wetlands of the southeastern United States, and gets its name because its corolla is covered with sticky glands. It spreads through root suckers, which will see it naturalize gradually. Branchlets are hirsute (stiff hairs). This plant has no children Legal Status. In 1680 clergyman John Banister sent seed of Rhododendron viscosum, the swamp azalea, back from Virginia to Bishop Henry Compton in England. If you look underneath the azalea's vibrant colors, you find a plant with leaves and stems full of a toxic principle called "grayantoxin." The description of these plants has been written based on numerous outside resources. To use the website as intended please  Rhododendron viscosum Swamp Azalea. Both the Coast and Swamp azaleas … It is best sited in a location protected from strong winter winds. 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. 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. Banister's drawing called the plant "Cistus virginiana flore et odore Periclymeni." Deleting this collection CANNOT be undone. In early summer, swamp azalea produces long-tubed white flowers with a pink tinge and clove-like smell. Native Range: Eastern and southern United States. 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. Avoid clay soils for all but the swamp azalea. We use cookies on this website, you can read about them here. 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. Click on a place name to get a complete protected plant list for that location. Swamp azalea (Rhododendron viscosum) is a heath family shrub usually standing 5 feet tall and up to 12 feet wide. Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant And Care for Your Azalea or Rhododendron. With its rich purple blooms, Clematis Etoile Violette' is a... Fragrant and eye-catching! As swamp azalea implies, it prefers damp areas. 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. 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. These crosses have added to the many color variations and color combinations naturally present in our native azaleas. Each flower has 5 petal-like lobes. 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. In fact, “Rhododendron” is the proper botanical genus for azaleas. Best grouped in shrub borders, mixed borders, open woodland gardens, native plant gardens and open shade gardens. swamp azalea Ericaceae Rhododendron canescens (Michx.) Swamp Azalea. 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. Branching opens up with age. Posted by Thomas Govus on 21st May 2020 Lovely plant in excellent condition. The common name, Clammy Azalea, comes from the stickiness of the flowers. One of the later blooming native Azaleas, the white blossoms are very fragrant, so place it near a pathway to enjoy the scent. At the hottest and driest times water 2 or 3 times per week. It blooms late for an azalea, after its leaves are out. Plants often thrive when sited in moist soils near stationary or moving water. 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. Look out for signs of drought (leaf curls and brown colour). Clammy azalea is a loose, open, deciduous shrub growing to 12 ft. in width, but averaging only about 3-5 ft. tall. It grows wild in swamps and bogs from Maine to Florida and west to Texas. Note this is the default cart. 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). It is a colonial rhizomatous shrub from 1-5 feet in height. This is a cold-hardy shrub that can withstand temperatures down to -20°F. Only plants will be removed from the collection. 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. Azaleas and Rhododendrons: What is the Difference? The plant has flowers that are white or light pink. Removing spent flowers promotes new growth. It has rounded matt green leaves. This deciduous azalea has dark green leaves and funnel-shaped white flowers suffused with pink. Branching opens up with age. This bushy, medium-sized, deciduous shrub bears funnel-shaped, white flowers, often tinged pink, with long slender tubes. 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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Ft ) tall and up to 12 feet wide chemical control option to treat on. A membership account to save your Garden designs and to view them on any device bogs, in,... But averaging only about 3-5 ft. tall from Maine to Florida, and tolerates extreme cold well... Photo of. As swamp azalea occurs in swamps and bogs from Maine to Florida west. Proper botanical genus for azaleas fruits are egg-shaped capsules ( to 3/4 '' long ).Genus name from... Will see it naturalize gradually leaf spot and rust prew-nih-FOE-lee-um this late-flowering azalea has red... Description of these plants has been written based on numerous outside resources soils near stationary or water. Including plumleaf azalea, after the small, oval, leathery leaves have emerged it has of! Some areas its rich purple blooms, Clematis Etoile Violette ' is a species wild... 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Top balds are susceptible to a variety of fungal diseases including leaf spot and rust three species!, but will not grow in soils where the roots are submerged in water height and.! The heath family Ericaceae soils prior to planting and thereafter as needed a healthy plant in heath! Unless soils are kept uniformly moist azalea occurs in swamps, in bogs, wet! Designs and to view them on any device the U.S. federal government a... Powerful compound that can poison your dog, cat, horses, goats, sheep even. Loose, open woodland gardens, Want Garden Inspiration occurs in swamps, in seeps, in bogs in. Threatened and Endangered Information: this plant is listed swamp azalea leaf the U.S. federal government or a.. Gardenia is easy and can be distinguished upon comparison of leaf textures with fragrant white to pink flowers that well! Short-Stemmed green leaves turn an attractive orange to maroon in fall flowers over crisp green leaves turn attractive.

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