Held in dome-shaped trusses of 8-10 flowers. The key is the annual growth rate, up to 60cm per year for the most vigorous and less than 1cm for the slowest growing. Moisture and length of growing season greatly affect rate of growth: mild wet areas may have twice the growth rate of cold dry ones. Sun Tolerant; Morning Sun / Afternoon Shade; Shade Tolerant; Part Sun/Part Shade; Growth Rate in the Garden. This moderate-sized Rhodie makes the ideal privacy screen or hedge. Avoid harsh afternoon sun exposures and shelter from drying winter winds. 'English Roseum' Catawba Rhododendron ZONE 4 50% OFF The classic pink rhododendron, 'English Roseum' features an excellent upright to mounding habit with dark evergreen leaves and deep rose buds that open to light-rose flowers. 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. English Roseum is Southern Tough and a very undemanding plant to grow. Early history. Rhododendron English Roseum (Elepidote Rhododendron) ... finally fading in the fall. 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. It grows at a slow rate, and under ideal conditions can be expected to live for 40 years or more. It emerged from the long and illustrious Rhododendron (and Azalea) breeding program at Knap Hill Nurseries in Sussex. It features large trusses of light rose-lilac flowers in spring (mid-season). Rapid growth rate. Description. This is a selection of a native North American species. This shrub does best in full sun to partial shade. Bloom Time. Rhododendron ‘Roseum Elegans’ One of the most wonderful things is having a friend who is as passionate about gardening as you are. Plant as a single accent outside a special window or use to fill a barren corner of the yard. JavaScript seems to be disabled in your browser. Moderate-growing to 6 to 8 feet tall and wide. These are the most common type sold in the Midwest, besides the smaller leafed PJM types. The fruit is a dry capsule 15–20 mm (.60-.79 in) long, containing numerous small seeds. Moderate growing; reaches 6 to 8 ft. tall and wide. The fastest-growing rhododendron cultivars grow 7 feet in 10 years, according to the American Rhododendron Society's website. Rhododendron is the largest genus in the family Ericaceae, with as many as 1,024 species, (though estimates vary from 850 to 1000) and is morphologically diverse. It was introduced in the 1850s. Blooms early summer 3-5 ft tall x 4-6 ft spread HARDY to -40°F (-40°C) Attracts bees and butterflies Neutral pH preference Tolerant to juglone Drought tolerant Salt Tolerant Deciduous English Roseum Rhododendron Growing and Maintenance Tips. Botanical Name: Rhododendron x 'English Roseum' (H-1) Deciduous/ Evergreen: Evergreen: Growth Rate: Moderate: Special Feature: Easy Care, Extreme Cold Hardiness, Gift Plant, North American Native Selection, Year-round Interest English Roseum is "Southern Tough" and a very undemanding plant to grow. The flowers are 2.5–3 cm (1 in) diameter, white, pink or pale purple, often with small greenish-yellow spots. English Roseum is "Southern Tough" and a very undemanding plant to grow. Partial sun. Skip to the beginning of the images gallery. Feed with an acid fertilizer after bloom. Rhododendrons require constant moisture (but not standing water), a fertile soil with a low pH and grow best in partial shade. It has no significant negative characteristics. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Roseum Pink therefore calls the U.S. home, although it also owes an allegiance to England. Consequently, the taxonomy has been historically complex.. Native to southeastern United States. The leaves are 9–19 cm (3–8 in) long and 2–4 cm (0.75-1.5 in) broad. Rhododendron maximum is an evergreen shrub growing to 4 m (13 ft), rarely 10 m (33 ft), tall. A late mid-season grower that reaches 6 feet in 10 years and is hardy to zone 4 (-25 degrees F) English Roseum Rhododendron is more tolerant of sun, humidity and cold than some other rhododendron varieties. Vigorous hybrid is tolerant of extremes in cold, heat and humidity. PRIVACY POLICY|TERMS & CONDITIONS|SITE MAP. Average Size at Maturity. The fruit is not ornamentally significant. Any pruning should be done soon after flowering to ensure bud set. ALL RIGHTS RESERVED. 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! English Roseum Rhododendron will grow to be about 8 feet tall at maturity, with a spread of 7 feet. Rhododendron catawbiense 'English Roseum', An attractive broadleaf evergreen shrub with cheerful pink flowers in spring and a compact upright habit, quite hardy, good in partial shade; absolutely must have well-drained, highly acidic and organic soil, use plenty of peat moss when planting. ‘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. Growing Pink Rhododendron English Roseum. Moderate-growing to 6 to 8 feet tall and wide. New Search "Printer Friendly" Page: More Information: Rhododendron 'English Roseum' Photo: Harold Greer. Makes a good evergreen hedge for privacy or to absorb sound. Range of Growing Rate The society's website lists 44 named cultivars that grow 1 foot in 10 years, 164 cultivars that grow 2 feet, 366 cultivars that grow 3 feet, 281 cultivars that grow 4 feet, 288 cultivars that grow 5 feet and 186 cultivars that grow 6 feet in 10 years. English Roseum Rhododendron is smothered in stunning clusters of lilac purple trumpet-shaped flowers with rose overtones and lavender centers at the ends of the branches in mid spring, which emerge from distinctive purple flower buds. This large, dense, broadleaf evergreen rhododendron thrives in cooler regions. ‘English Roseum’ is a dense, mound-forming, evergreen rhododendron that typically grows to a mature height of 4-10’ tall and 5-11’ wide. Catawba rhododendron is a large-leaved, evergreen shrub reaching 6 to 10 feet high with large, lilac-purple flowers borne in clusters (trusses) in mid-to late spring. Requires well-drained, acidic soils. It has an erect habit, forms mounds of dense green leaves, matures at 6 to 10', covered with large showy flowers in mid-spring. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the leaves in alkaline soils. 'Roseum Elegans' is the commonest rhododendron hybrid in the north-eastern United States, just like 'Catawbiense Grandiflorum' is in Finland. Its relatively coarse texture can be used to stand it apart from other landscape plants with finer foliage. Water deeply and regularly during the first growing season to establish an extensive root system. Excellent for shade gardens or in a sheltered site. Ideal for narrow side yards or … © 2020 MONROVIA NURSERY COMPANY. Use this romantic lavender-flowering hybrid at the back of the shrub border with others of its size. Transferred from the Greek name for Nerium oleander. It has green foliage. For the best experience on our site, be sure to turn on Javascript in your browser. Description. Provide organically rich, well-drained, acidic soil. Rhododendrons require constant moisture (but not standing water), a fertile soil with a low pH and grow best in partial shade. This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. We cannot currently ship this product to your zip code, No Retailers found within 50 miles of your zipcode. Pruning Rhododendrons for dense growth. Prized for its tolerance to sun, cold and humidity, Rhododendron 'English Roseum' is a dense and showy evergreen shrub. Rhododendrons have no ultimate size, they can carry on growing indefinitely. For the best experience on our site, be sure to turn on Javascript in your browser. 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. Rhododendron Plant Search. It grows at a slow rate, and under ideal conditions can … 'Roseum Elegans' is an Anthony Waterer hybrid from the 1800s, very similar to ‘English Roseum’ from the same plantsman. It has an erect habit, forms mounds of dense green leaves, matures at 6 to 10', covered with large showy flowers in mid-spring. English Roseum Rhododendron will grow to be about 8 feet tall at maturity, with a spread of 7 feet. Flower/Truss Description: Flower widely funnel-shaped, lilac-rose with orange blotch. Well, I’m fortunate enough to have one of those types of friends here in my lovely city. Roseum Pink Rhododendron Growing and Maintenance Tips. It is wide-spreading, always a foot or two wider than it is tall. The large narrow leaves remain green throughout the winter. Predominant Flower Color: Pink. GARDEN CENTER HOURS: Monday - Saturday 9 am - 8 pm, Sunday 9 am - 6 pm. ‘Roseum Elegans’ is a vigorous grower with good habit with large, glossy, dark green leaves. Vigorous hybrid is tolerant of extremes in cold, heat and humidity. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Late Spring. English Roseum Rhododendron is a multi-stemmed evergreen shrub with an upright spreading habit of growth. Showy soft rosy-lavender flowers offer beautiful contrast to the dark green leaves. It grows at a slow rate, and under ideal conditions can … 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! Any pruning should be done soon after flowering to ensure bud set. 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. 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