Provide organically rich, well-drained, acidic soil. Much hybridization has resulted in a great number of hybrid cultivars. We use cookies on this website, you can read about them here. Growing rhododendron successfully requires the proper planting spot for the rhododendron bush. Soil preparation is best accomplished in autumn before planting the rhododendron in spring. Clip off spent flower clusters immediately after bloom as practicable. 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. 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. To use the website as intended please  Good soil drainage is essential (plants do not like “wet feet”). About Us. Rhododendron prunifolium (Plumleaf Azalea), Brunnera macrophylla 'Jack Frost' (Siberian Bugloss), 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, Companion Plants for your Japanese Maples, 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. Shrub borders, mixed borders, woodland gardens and shade gardens. Woodland margins. Tip: A common mistake is to create a so-called “mulch volcano,” where mulch is piled heavily around the trunk of the shrub. Grows with a good dense habit, up to 6-8 ft. tall and wide (180-240 cm). English Roseum is "Southern Tough" and a very undemanding plant to grow. While a single Japanese maple can provide a striking focal... Use our interactive toolsto design your dream garden. Most are evergreen but some are deciduous. 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. With care, it is possible to select varieties which flower from January until June, with flower trusses in a wide range of colours. Removing spent flowers promotes new growth. Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant And Care for Your Azalea or Rhododendron. Raised and introduced by A. Waterer, this late midseason Rhododendron is tolerant of heat and cold. The rhododendron bush is an attractive, blooming specimen in many landscapes and is fairly low maintenance when planted properly. They contrast beautifully with the foliage of large, smooth, glossy, medium green leaves. Rhododendrons and azaleas are susceptible to many insect and disease problems. 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. View gallery. Product Details. Diseases might include root rot, blight and dieback. » Rhododendron English Roseum. Rhododendron x 'English Roseum' (H-1) Vigorous hybrid is tolerant of extremes in cold, heat and humidity. English Roseum is known as an “iron clad” meaning it is very hardy and grows in harsh conditions. Rhododendron English Roseum #7. Cultivation. These dense shrubs or bushes bloom large flowers, each with a multitude of petals. Chlorosis (leaves turn yellow) often indicates an iron deficiency in the soil that is often caused when the soil pH becomes too high. The older, more interior red-purple leaves will drop from the plant and it is a very normal occurrence. This large, dense, broadleaf evergreen rhododendron thrives in cooler regions. It was introduced in 1958. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Prefers a sun dappled or high open shade. Plant in a location protected from strong winds. Morning sun with afternoon shade is also acceptable. Disease pests include blights, canker, crown rot, leaf gall, root rot, leaf spot, rust and powdery mildew. Mass, group or specimen. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Any pruning should be done soon after flowering to ensure bud set. 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! Deleting this collection CANNOT be undone. See something wrong with this plant file? I find boxwood boring and uninteresting except as an edging for other plants. The plant blooms in the spring and is hardy to -5 degrees. 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. Quantity: 1. True rhododendrons have 10 stamens in a flower and azaleas have only 5. That just won't do! 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. Roseum Pink Rhododendron earns its place in the landscape with big, bold, evergreen leaves and a regal habit. Tolerates a fair amount of sun in cool northern summers, but leaves may scorch in hot afternoon sun in the St. Louis area. Add to Bag. Banks and Slopes, Cottage/Informal, Beds and borders, Wallside and trellises. Create a membership account to save your garden designs and to view them on any device. It emerged from the long and illustrious Rhododendron (and Azalea) breeding program at Knap Hill Nurseries in Sussex. I’m going to assume you prepared your planting site as we recommend on our web site (see Upper Midwest Rhododendron Culture). 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. The flowers are white, funnel-shaped and slightly fragrant. Partial sun. Azaleas and Rhododendrons: What is the Difference? Prized for its tolerance to sun, cold and humidity, Rhododendron 'English Roseum' is a dense and showy evergreen shrub. ‘Roseum Elegans’ is a vigorous grower with good habit with large, glossy, dark green leaves. Created by Carter... What a fabulous and distinctive hedge! The description of these plants has been written based on numerous outside resources. 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. To create additional collections, you must be a paid member of our site. The English Roseum Rhododendron is a great selection for using in borders, woodland gardens, hedges, or foundation plantings. Azaleas and Rhododendrons with Attractive Fall Colors, Azaleas and Rhododendrons for Small Gardens, Want Garden Inspiration? View gallery. There are plenty of people, though, who dislike the winter appearance of large-leafed rhododendrons. All parts of plant are poisonous if ingested. Edit or improve upon this plant file by clicking here. Acidify soils as needed (plants generally like soil pH in the range of 5.0 to 5.5). Create pleasing contrasts in your spring garden. This heavy blooming accent plant produces big trusses of rose-purple flowers for several weeks during the spring. Rhododendron vs. boxwood is completely a matter of personal taste. English Roseum is a lovely low-maintenance Rhododendron that sports gorgeous bubblegum pink flowers, blossoming in bunches of 8-10 trumpets at a time. Rhododendron 'English Roseum' (Rhododendron 'English Roseum' ) will reach a height of 3m and a spread of 3.5m after 10-20 years. Accept 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 … Become a care taker for Roseum Elegans Rhododendron! Not sure which Rhododendrons - Azaleas to pick? The glossy mid-green leaves form a very nice upright and dense shrub. How to Prune an Old Leggy Rhododendron. Combine... Providing months of fragrance and color, while being... A stunning border for shady gardens. Proper soil preparation is also necessary for the health of this acid loving plant. Key Feature: Bright Spring Flowers SKU 1R19020724. 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. ‘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. 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. Rhododendron catawbiense ‘Roseum Elegans’ flowers. Plants perform well on north or east facing slopes. Report An Inaccuracy. Rhododendron 'English Roseum' is a member of Rhododendron genus which contains up to 900 members of Rhododendron and Azaleas. English Roseum Rhododendron will grow to be about 8 feet tall at maturity, with a spread of 7 feet. 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. Roots must never be allowed to dry out. 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 Only plants will be removed from the collection. $62.25. Rhododendron is a genus of 500 to 900 species and includes both of what we commonly call rhododendrons and azaleas. 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. A healthy plant in the proper environment with proper care should have limited problems, however. These acid-loving plants can be grown in USDA Zones 4-9 and thrive in filtered shade and well-draining soil. Showy soft rosy-lavender flowers offer beautiful contrast to the dark green leaves. Best grown in acidic, organically rich, humusy, medium moisture, moisture-retentive but well-drained soils in part shade. Large foliage, good growing habit and performs reliably in blazing sun and high humidity. Elliptic to oblong leathery dark green leaves (3-6” long) are evergreen. Large trusses of flowers are produced at the tips of branches followed by a flush of new leaves. Rhododendron Care Tips When choosing plants for your own garden emphasis should be on plant health, hardiness, and disease resistance. Rhododendrons and azaleas are popular garden shrubs with colorful flowers that bloom in spring, and reblooming varieties will bloom again in summer until fall. 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. This large ornamental shrub is perfect for background plantings or filling areas beneath deciduous trees where it will add elegance and brilliant color. Insect pests include aphids, borers, lacebugs, caterpillars, leafhoppers, mealybugs, nematodes, scale, thrips and whitefly. A very reliable performer, this pretty late midseason Rhododendron is quite tough and can withstand temperatures as low as -25ºF ( … It has an erect habit, forms mounds of dense green leaves, matures at 6 to 10', covered with large showy flowers in mid-spring. Dense trusses of 8-10 funnel shaped, pink-lavender flowers cover this broadleaf evergreen ornamental in spring. They originate mostly from the Northern Hemisphere with high concentrations in western China, the Himalayas and Myanmar (Burma). 4 members have or want this plant for trade. That eyesore of a rhododendron deserves better -- even if it's tall, lanky and just plain ugly. Take cuttings with a heel, … Suggested uses. These flowers standout beautifully against its leathery dark green long and narrow foliage. Rhododendron English Roseum. 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. Moderate-growing to 6 to 8 feet tall and wide. Plant as a single accent outside a special window or use to fill a barren corner of the yard. Lawn Care; Irrigation; 0. If the chainsaw in your garage is calling your name, resist. 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. Join now and start creating your dream garden! Add limestone or lime to soils to raise the pH. Joey Williamson, ©2011 HGIC, Clemson Extension ... take care of them immediately, before they get out of hand and worsen or spread to other shrubs. 9 members have or want this plant for trade. The evergreen rhododendrons produce large to small, linear leaves that are stiff and evergreen. Rhododendrons require constant moisture (but not standing water), a fertile soil with a low pH and grow best in partial shade. In stock. 9 more photos VIEW GALLERY. Category: The flowers an be rose, lilac, or lavender colors. Mites may also appear. Best grown in acidic, organically rich, humusy, medium moisture, moisture-retentive but well-drained soils in part shade. They are grown for their showy spring flowers and in the case of evergreen types for their attractive winter foliage. Category: Add sulfur or iron sulfate to soils to lower the pH. It features large trusses of light rose-lilac flowers in spring (mid-season). We have members in zone 4 in northern Wisconsin and Minnesota that successfully grow this variety. Ideal used as foundation, hedge or mass planting. Create spectacular spring borders like this one. Be the first to know about a sale, event, exclusive offers and the latest rose growing and care tips. Location and site preparation are the keys to success with rhododendrons. Makes a good evergreen hedge for privacy or to absorb sound. Rhododendron 'English Roseum' Rhododendron . Rhododendron 'Roseum Elegans' Rhododendron . Winter Care: Protect from strong winds Rhododendrons appreciate good fall moisture and love to have a nice 3” layer of mulch over their roots. Rhododendron catawbiense 'English Roseum' - English Roseum Rhododendron . Unavailable. A few common insect problems are lace bug, mites and scale. Vigorous, compact, upright plant with light lavender-rose blooms, brown blotches on the dorsal petal. They usually branch from a central trunk unlike the evergreen and deciduous azalea that are multi-stemmed from the ground. 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 . Click on image to enlarge. Makes a foolproof front-yard display plant to fill in side-yard gaps and disguise utilities. 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. Of note to gardeners in cool temperate areas are the large and small leaved evergreen rhododendrons and the evergreen and deciduous azaleas. Item: HENGR. ... and the coldest European winter. 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). Morning sun with afternoon shade is also acceptable. English Roseum is very similar to the variety known as ‘Roseum Pink’. The Mount Everest is a 1930s-era English hybrid of the campanulatum and griffithianum rhododendrons. Buy Rhododendrons » Popular Roseum Elegans Rhododendron … There's no denying that the tightly rolled leaves look pretty forlorn and distressed on a cold day. Tolerates a fair amount of sun in cool northern summers, but leaves may scorch in hot afternoon sun in the St. Louis area. 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. 2 more photos VIEW GALLERY. 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. The shrub has small, rounded leaves, according to “Rhododendron Hybrids” by Homer E. Salley and Harold E. Greer. A very reliable performer, this pretty late midseason Rhododendron is quite tough and can withstand temperatures as low as -25ºF (-32ºC). Prefers a sun dappled or high open shade. English Roseum therefore calls the U.S. home, although as you can guess by the name, it also owes an allegiance to England. Firm soil around roots and water in well. Colors range from white to pink, red, and purple. 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. 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. 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. Roseum Pink Rhododendron Growing and Maintenance Tips. A lack of water reduces flower-bud formation. 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