Rhododendron 'Roseum Elegans' - a variety of evergreen rhododendrons .
| Rhododendron 'Roseum Elegans' | |
|---|---|
 | |
| Taxonomy | |
| Kind | Rhododendron |
| Grade | 'Roseum Elegans' |
| Synonyms | |
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| Origin | |
| Country of origin |  Great Britain |
| Breeder | A. Waterer, 1851 |
| Registrar | ICRA , 1958 |
Katevbinsky rhododendron hybrid ( lat.Rhododéndron catawbiense ), obtained by Anthony Vaterrer in England in 1851. Outwardly, it closely resembles the 'English Roseum' variety, also obtained by Watererer. `Roseum Elegans` is the most common variety of rhododendron in the cold northeastern regions of the United States , just like the` Catawbiense Grandiflorum` in Finland . Several clones of this variety are presented on the market, many of them are less hardy than the original variety [2] .
Not to be confused with deciduous variety: R. 'Roseum Elegans', J. Ivery (until 1846) [3] .
Content
Biological Description
Evergreen, vigorous shrub 1.8–3 m high. Annual growth of about 15 cm. The crown is wide-round, closed below, with a diameter of up to 4 m.
The leaves are leathery, oval or narrowly elliptic, glossy, 7-8 cm long, 5-6 cm wide (according to other sources 110 × 35 mm), dark green, often red-brown when blooming.
Blooming in June.
The inflorescences are compact, almost round, 120 × 90 mm, bear 12-20 flowers.
The flowers are pink with a reddish-brown spot, wide-funnel-shaped, 45 × 60 mm. The edge of the petals is slightly wavy. There is no aroma . The stamens are pink-violet [4] [1] [3] .
In Culture
He lives in culture for a long time. The soil is fertile, slightly acidic. It tolerates slight shading.
In central Russia, it is completely winter-hardy if planted in places protected from the wind [1] . Withstands temperature drops to −32 ° C [4] . In southern Finland, under the protection of snow, it winters well [2] .
Diseases and Pests
Notes
- ↑ 1 2 3 Alexandrova M. Aristocrats of the garden: flowering shrubs. - M .: ZAO Fiton +, 1999. - 192 p. - ISBN 5-93457-001-3 .
- ↑ 1 2 Rhododendron 'Roseum Elegans' . Arboretum Mustila. Date of treatment September 1, 2014.
- ↑ 1 2 Rhododendron 'Roseum Elegans', Waterer (Knap Hill) (vor 1842) . Deutsche Genbank Rhododendron. Date of treatment September 7, 2014.
- ↑ 1 2 Description of Rhododendron 'Roseum Elegans' . American Rhododendron Society. Date of treatment November 4, 2013.
Literature
- Krivitsky S. Rhododendrons for central Russia // Floriculture. - 2003. - No. 2 . Archived December 11, 2013.
- Thomas G. Ranney, Richard E. Bir, Joseph L. Conner, Everett P. Whitman II. Use of paclobutrazol to regulate shoot growth and flower development of 'Roseum Elegans' Rhododendron (Eng.) // Environmental Horticulture. - 1994. Archived on March 4, 2016.
- Adams DG, Roberts AN Time of flower initiation in rhododendron 'Roseum Elegans' as related to shoot and leaf elongation // Hort Science. - 1968.
Links
- Voronina S. Rhododendrons. The difficult problem of choice . Daylily.ru. Date of treatment November 2, 2013.
- Barbuhatti G. Rhododendrons for the northwest . Daylily.ru. Date of treatment November 1, 2013.