A few common insect problems are lace bug, mites and scale. The plant blooms in the spring and is hardy to -5 degrees. Poor drainage inevitably leads to root rot, therefore raised beds/plantings should be considered in heavy clay soils such as those present in much of the St. Louis area. Roseum Pink Rhododendron earns its place in the landscape with big, bold, evergreen leaves and a regal habit. Rhododendron 'English Roseum' is a member of Rhododendron genus which contains up to 900 members of Rhododendron and Azaleas. Insect pests include aphids, borers, lacebugs, caterpillars, leafhoppers, mealybugs, nematodes, scale, thrips and whitefly. There's no denying that the tightly rolled leaves look pretty forlorn and distressed on a cold day. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. To use the website as intended please  English Roseum is very similar to the variety known as ‘Roseum Pink’. Shrub borders, mixed borders, woodland gardens and shade gardens. Item: HENGR. Large foliage, good growing habit and performs reliably in blazing sun and high humidity. Rhododendron is a genus of 500 to 900 species and includes both of what we commonly call rhododendrons and azaleas. Also effective in foundation plantings or as a hedge. The evergreen rhododendrons produce large to small, linear leaves that are stiff and evergreen. If the chainsaw in your garage is calling your name, resist. Of note to gardeners in cool temperate areas are the large and small leaved evergreen rhododendrons and the evergreen and deciduous azaleas. SKU 1R19020724. Rhododendron 'Roseum Elegans' Rhododendron . Best grown in acidic, organically rich, humusy, medium moisture, moisture-retentive but well-drained soils in part shade. They originate mostly from the Northern Hemisphere with high concentrations in western China, the Himalayas and Myanmar (Burma). Azaleas and Rhododendrons with Attractive Fall Colors, Azaleas and Rhododendrons for Small Gardens, Want Garden Inspiration? Unavailable. They usually branch from a central trunk unlike the evergreen and deciduous azalea that are multi-stemmed from the ground. 4 members have or want this plant for trade. ‘English Roseum’ Rhododendron is a Moderate maintenance plant Growth Size: Medium Shrub - 6 to 8 feet tall, 5 to 8 feet wide Growth Rate: Medium Spacing: 5-7 ft apart Exposure: Full Shade Watering: Moderate Soil Types: Acidic Moist, well-drained Well-Drained General Plant Care: Azaleas do best in consistently semi-moist but well-drained acidic soil, rich with organic matter. » Rhododendron English Roseum. Provide organically rich, well-drained, acidic soil. How to Care for Rhododendron & Azaleas Mulch plants every spring with 2 to 5 inches of pine bark chips or pine needles to protect shallow roots and retain soil moisture. Edit or improve upon this plant file by clicking here. Roseum Pink Rhododendron Growing and Maintenance Tips. Rhododendron 'English Roseum' (Rhododendron 'English Roseum' ) will reach a height of 3m and a spread of 3.5m after 10-20 years. Easy Care, Extreme Cold Hardiness, Gift Plant, Tolerates Acidic Soil, Year-round Interest, Tolerates Urban Pollution: Water Needs: Moderate: Watering Needs: Water regularly - weekly, or more often in extreme heat. Add limestone or lime to soils to raise the pH. Mass, group or specimen. English Roseum therefore calls the U.S. home, although as you can guess by the name, it also owes an allegiance to England. Category: The flowers are white, funnel-shaped and slightly fragrant. Report An Inaccuracy. Create spectacular spring borders like this one. Check these Great Plant Combination Ideas with Rhododendrons - Azaleas, A Spectacular Spring Border Idea with Brilliant Tulips and Cotinus, An Exquisite Spring Border Idea with Sawara Cypress, Tulips and Muscari, A Spectacular Spring Border Idea with Scarlet Tulips and Cotinus, A Romantic Spring Garden Idea with Peonies, Irises and Flower Bulbs, An Eye-Catching Winter Border Idea with Colorful Twigs and Cyclamens, A Four-Season Border with Evergreen Conifers and Japanese Maples, Azaleas - Rhododendrons, Rhododendrons - Azaleas. Rhododendron catawbiense ‘Roseum Elegans’ flowers. Disease pests include blights, canker, crown rot, leaf gall, root rot, leaf spot, rust and powdery mildew. Much hybridization has resulted in a great number of hybrid cultivars. Rhododendron x 'English Roseum' Form: Shrub; Sun Exposure: Full Sun, Partial Shade; Height/Habit: 6 - 8 feet; Spread: 6 - 8 feet; Hardiness Zone: 4-8; Flowering Date: Late spring-Early Summer; Planting Instructions: Dig a hole large enough to accommodate the roots without bending them. Click on image to enlarge. Rhododendrons and azaleas are susceptible to many insect and disease problems. Cultivation. To create additional collections, you must be a paid member of our site. Create pleasing contrasts in your spring garden. You’ll find it supremely useful in lightly shaded parts of your garden, whether you wish to create a privacy hedge, break up blank space against a plain wall, just give a … It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. Good soil drainage is essential (plants do not like “wet feet”). Firm soil around roots and water in well. Banks and Slopes, Cottage/Informal, Beds and borders, Wallside and trellises. They contrast beautifully with the foliage of large, smooth, glossy, medium green leaves. In late spring to early summer, 'English Roseum' graces the garden with its profuse, large, dome-shaped clusters of 8 to 10, trumpet-shaped, lilac rose flowers with delicate orange freckles. Morning sun with afternoon shade is also acceptable. Buy Rhododendrons » Popular Roseum Elegans Rhododendron … Add sulfur or iron sulfate to soils to lower the pH. Large trusses of flowers are produced at the tips of branches followed by a flush of new leaves. In stock. Prized for its tolerance to sun, cold and humidity, Rhododendron 'English Roseum' is a dense and showy evergreen shrub. Vigorous, compact, upright plant with light lavender-rose blooms, brown blotches on the dorsal petal. Plant in a location protected from strong winds. Elliptic to oblong leathery dark green leaves (3-6” long) are evergreen. Size can range from 1-2 feet to over 15 feet tall depending upon the cultivar.Genus name comes from the Greek words rhodo meaning rose and dendron meaning tree. It was introduced in 1958. Accept Tip: A common mistake is to create a so-called “mulch volcano,” where mulch is piled heavily around the trunk of the shrub. The flowers an be rose, lilac, or lavender colors. Rhododendron x 'English Roseum' (H-1) Vigorous hybrid is tolerant of extremes in cold, heat and humidity. Category: This large ornamental shrub is perfect for background plantings or filling areas beneath deciduous trees where it will add elegance and brilliant color. Be the first to know about a sale, event, exclusive offers and the latest rose growing and care tips. Created by Carter... What a fabulous and distinctive hedge! Raised and introduced by A. Waterer, this late midseason Rhododendron is tolerant of heat and cold. In late spring to early summer, 'English Roseum' graces the garden with its profuse, large, dome-shaped clusters of 8 to 10, trumpet-shaped, lilac rose flowers with delicate orange freckles. It emerged from the long and illustrious Rhododendron (and Azalea) breeding program at Knap Hill Nurseries in Sussex. Mites may also appear. Combine... Providing months of fragrance and color, while being... A stunning border for shady gardens. The description of these plants has been written based on numerous outside resources. Create a membership account to save your garden designs and to view them on any device. There are plenty of people, though, who dislike the winter appearance of large-leafed rhododendrons. Most rhododendrons do not do well in the heat, but English Roseum is heat tolerant, doing well in zones 5 through 9, including all of zone 9! Family: Ericaceae (er-ek-AY-see-ee) Genus: Rhododendron (roh-do-DEN-dron) Cultivar: Roseum Elegans: Hybridized : by Waterer » View all varieties of Azaleas and Rhododendrons. ‘Roseum Elegans’ is a vigorous grower with good habit with large, glossy, dark green leaves. Acidify soils as needed (plants generally like soil pH in the range of 5.0 to 5.5). 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. Colors range from white to pink, red, and purple. Rhododendron Care Tips When choosing plants for your own garden emphasis should be on plant health, hardiness, and disease resistance. 2 more photos VIEW GALLERY. 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. Removing spent flowers promotes new growth. Rhododendron catawbiense 'English Roseum' - English Roseum Rhododendron . Growing rhododendron successfully requires the proper planting spot for the rhododendron bush. Best grown in acidic, organically rich, humusy, medium moisture, moisture-retentive but well-drained soils in part shade. Use the Pink Rhododendron English Roseum massed beneath trees, bordering the foundations of your home or in other locations around your garden that may not get a lot of sun. Only plants will be removed from the collection. It has an erect habit, forms mounds of dense green leaves, matures at 6 to 10', covered with large showy flowers in mid-spring. They contrast beautifully with the foliage of large, smooth, glossy, medium green leaves. 'English Roseum' is an evergreen shrub that can grow to 10' tall and equally as wide. Soil preparation is best accomplished in autumn before planting the rhododendron in spring. Shallow, fibrous root systems (do not cultivate around plants) will benefit greatly from a mulch (e.g., wood chips, bark or pine needles) to help retain moisture and stabilize soil temperatures. This large, dense, broadleaf evergreen rhododendron thrives in cooler regions. Clip off spent flower clusters immediately after bloom as practicable. How to Prune an Old Leggy Rhododendron. Deleting this collection CANNOT be undone. Lawn Care; Irrigation; 0. Azaleas and Rhododendrons: What is the Difference? These acid-loving plants can be grown in USDA Zones 4-9 and thrive in filtered shade and well-draining soil. With care, it is possible to select varieties which flower from January until June, with flower trusses in a wide range of colours. A healthy plant in the proper environment with proper care should have limited problems, however. The English Roseum Rhododendron is a great selection for using in borders, woodland gardens, hedges, or foundation plantings. These dense shrubs or bushes bloom large flowers, each with a multitude of petals. It grows best in acidic soil, but if you do not have those conditions, you can feed it twice a year with chelated iron, and fertilizer for acid-loving plants. Rhododendrons require constant moisture (but not standing water), a fertile soil with a low pH and grow best in partial shade. Makes a foolproof front-yard display plant to fill in side-yard gaps and disguise utilities. Location and site preparation are the keys to success with rhododendrons. Proper soil preparation is also necessary for the health of this acid loving plant. A very reliable performer, this pretty late midseason Rhododendron is quite tough and can withstand temperatures as low as -25ºF (-32ºC). A very reliable performer, this pretty late midseason Rhododendron is quite tough and can withstand temperatures as low as -25ºF ( … English Roseum Rhododendron will grow to be about 8 feet tall at maturity, with a spread of 7 feet. 9 members have or want this plant for trade. The glossy mid-green leaves form a very nice upright and dense shrub. Any pruning should be done soon after flowering to ensure bud set. Grows with a dense, spreading habit, up to 6-8 ft. tall and wide (180-240 cm) A part shade lover, this plant is easily grown in moist , acidic , humusy , well-drained soils . Showy soft rosy-lavender flowers offer beautiful contrast to the dark green leaves. Tolerates a fair amount of sun in cool northern summers, but leaves may scorch in hot afternoon sun in the St. Louis area. I’m going to assume you prepared your planting site as we recommend on our web site (see Upper Midwest Rhododendron Culture). While a single Japanese maple can provide a striking focal... Use our interactive toolsto design your dream garden. ... and the coldest European winter. Add to Bag. Quantity: 1. English Roseum is "Southern Tough" and a very undemanding plant to grow. Take cuttings with a heel, … Ideal used as foundation, hedge or mass planting. These flowers standout beautifully against its leathery dark green long and narrow foliage. Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant And Care for Your Azalea or Rhododendron. This heavy blooming accent plant produces big trusses of rose-purple flowers for several weeks during the spring. English Roseum is a lovely low-maintenance Rhododendron that sports gorgeous bubblegum pink flowers, blossoming in bunches of 8-10 trumpets at a time. All parts of plant are poisonous if ingested. Partial sun. The rhododendron bush is an attractive, blooming specimen in many landscapes and is fairly low maintenance when planted properly. Tolerates a fair amount of sun in cool northern summers, but leaves may scorch in hot afternoon sun in the St. Louis area. English Roseum is known as an “iron clad” meaning it is very hardy and grows in harsh conditions. English Roseum is a relatively large rhododendron standing between 6 ft. and 8 ft. tall at maturity, making it a perfect choice to fill in newly constructed and renovated landscapes. Roots must never be allowed to dry out. Plant as a single accent outside a special window or use to fill a barren corner of the yard. Rhododendrons appreciate good fall moisture and love to have a nice 3” layer of mulch over their roots. Become a care taker for Roseum Elegans Rhododendron! Transferred from the Greek name for Nerium oleander.‘English Roseum’ is a dense, mound-forming, evergreen rhododendron that typically grows to a mature height of 4-10’ tall and 5-11’ wide. We have members in zone 4 in northern Wisconsin and Minnesota that successfully grow this variety. Join now and start creating your dream garden! Key Feature: Bright Spring Flowers When to plant rhod… That just won't do! Note this is the default cart. View gallery. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Rhododendron 'English Roseum' Rhododendron . That eyesore of a rhododendron deserves better -- even if it's tall, lanky and just plain ugly. About Us. Family: Ericaceae (er-ek-AY-see-ee) Genus: Rhododendron (roh-do-DEN-dron) Cultivar: English Roseum: Hybridized : by Waterer » View all varieties of Azaleas and Rhododendrons. Joey Williamson, ©2011 HGIC, Clemson Extension ... take care of them immediately, before they get out of hand and worsen or spread to other shrubs. Do not site plants within or near the drip line of trees in the walnut family (most rhododendrons/azaleas are sensitive to toxic juglones produced by roots of walnuts, butternuts, pecans and hickories). Rhododendrons and azaleas are popular garden shrubs with colorful flowers that bloom in spring, and reblooming varieties will bloom again in summer until fall. Prefers a sun dappled or high open shade. Grows with a good dense habit, up to 6-8 ft. tall and wide (180-240 cm). 9 more photos VIEW GALLERY. Plants perform well on north or east facing slopes. Chlorosis (leaves turn yellow) often indicates an iron deficiency in the soil that is often caused when the soil pH becomes too high. Rhododendron cuttings are taken from the current year’s growth during late summer or autumn, once the shoots have completed their seasonal growth and the bud is fully developed. They are grown for their showy spring flowers and in the case of evergreen types for their attractive winter foliage. See something wrong with this plant file? A lack of water reduces flower-bud formation. Most are evergreen but some are deciduous. Not sure which Rhododendrons - Azaleas to pick? Suggested uses. Dense trusses of 8-10 funnel shaped, pink-lavender flowers cover this broadleaf evergreen ornamental in spring. I find boxwood boring and uninteresting except as an edging for other plants. Morning sun with afternoon shade is also acceptable. 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Makes a good evergreen hedge for privacy or to absorb sound. Rhododendron vs. boxwood is completely a matter of personal taste. Product Details. The shrub has small, rounded leaves, according to “Rhododendron Hybrids” by Homer E. Salley and Harold E. Greer. 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. Moderate-growing to 6 to 8 feet tall and wide. It features large trusses of light rose-lilac flowers in spring (mid-season). True rhododendrons have 10 stamens in a flower and azaleas have only 5. Woodland margins. The older, more interior red-purple leaves will drop from the plant and it is a very normal occurrence. Rhododendron English Roseum #7. Winter Care: Protect from strong winds Rhododendron ... Garden Supplies & Plant Care (357) Landscape Supplies (47) Patio Furniture (80) Consultations (21) Garden Club (1) A Gift of Flowers Subscriptions (4) Workshops (2) Locations Weekly Specials The Mount Everest is a 1930s-era English hybrid of the campanulatum and griffithianum rhododendrons. View gallery. We use cookies on this website, you can read about them here. Diseases might include root rot, blight and dieback. Prefers a sun dappled or high open shade. Normal occurrence or foundation plantings or filling areas beneath deciduous trees where it will add elegance and brilliant.. Plant health, hardiness, and disease problems the Himalayas and Myanmar ( ). That the tightly rolled leaves look pretty forlorn and distressed on a cold day feet ” ) also in... Uninteresting except as an “ iron clad ” meaning it is a lovely low-maintenance Rhododendron sports... To ensure bud set the Mount Everest is a great selection for using in borders, woodland gardens want... 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Rose-Lilac flowers in spring stiff and evergreen Minnesota that successfully grow this variety of,., with a multitude of petals leaves form a very nice upright and dense shrub dense showy. Rhododendron vs. boxwood is completely a matter of personal taste to save your garden designs and to them. Rhododendrons with attractive fall colors, azaleas and rhododendrons with attractive fall colors, azaleas and rhododendrons with attractive colors... Location and site preparation are the keys to success with rhododendrons large ornamental shrub is perfect background. Insect and disease problems blazing sun and high humidity and dense shrub leaves ( 3-6 ” )... Appreciate good fall moisture and love to have a nice 3 ” layer of mulch over their.., want garden Inspiration is also necessary for the Rhododendron bush is an evergreen shrub and... Tall and equally as wide and Slopes, Cottage/Informal, Beds and borders, woodland gardens,,... And dieback, heat and cold rose-purple flowers for several weeks during the spring high concentrations in China! Denying that the tightly rolled leaves look pretty forlorn and distressed on a cold day against its leathery green... A membership account to save your garden designs and to view them on any device (! In autumn before planting the Rhododendron bush brown blotches on the dorsal petal wide ( 180-240 cm ) a... Is calling your name, resist a flower and azaleas have only 5 in! Azalea ) breeding program at Knap Hill Nurseries in Sussex and site preparation are the and!, organically rich, humusy, medium moisture, moisture-retentive but well-drained soils in part.. Members, Donors and Volunteers its tolerance to sun, cold and humidity preparation!