Rhododendron 'English Roseum'
English Roseum' Rhododendron, Late Midseason Rhododendron, Evergreen Rhododendron
Prized for its tolerance to sun, cold, and humidity, Rhododendron 'English Roseum' is a dense and showy evergreen shrub. From 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. They contrast beautifully with the foliage of large, smooth, glossy, medium green leaves. A very reliable performer, this pretty late midseason Rhododendron is quite tough and can withstand temperatures as low as -25ºF (-32ºC). This large ornamental shrub is perfect for background plantings or filling areas beneath deciduous trees where it will add elegance and brilliant color.
- Grows with a good dense habit, up to 6-8 ft. tall and wide (180-240 cm).
- Winner of the Rhododendron of the Year Award of the American Rhododendron Society for the South East region.
- A sun to part shade lover, this plant is easily grown in moist, acidic, humusy, well-drained soils. Plant shallowly in a location protected from strong winter winds. Protect from frost to prevent damage to flowers. Mulch annually with leaf mold to retain moisture, control weeds, and cool the soil.
- Perfect for shrub borders or mixed borders, as a flowering hedge or privacy screen, foundation plantings, and shade gardens.
- Attracts butterflies, hummingbirds, and birds.
- Removing spent flowers promotes new growth.
- All parts of the plant are poisonous if ingested.
- Toxic to dogs, toxic to cats, toxic to horses.
- Toxic to dogs, toxic to cats, toxic to horses.
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Requirements
Hardiness | 4
– 8 |
---|---|
Plant Type | Shrubs |
Plant Family | Azaleas - Rhododendrons, Rhododendron - Azalea |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Late) Summer (Early) |
Height | 6' – 8' (180cm – 240cm) |
Spread | 6' – 8' (180cm – 240cm) |
Spacing | 72" – 96" (180cm – 240cm) |
Water Needs | Average |
Maintenance | Low |
Soil Type | Clay, Loam, Sand |
Soil pH | Acid |
Soil Drainage | Moist but Well-Drained |
Characteristics | Plant of Merit, Showy, Evergreen |
Tolerance | Rabbit |
Attracts | Butterflies, Hummingbirds |
Garden Uses | Beds and Borders, Hedges and Screens |
Garden Styles | City and Courtyard, Informal and Cottage, Traditional Garden |
Guides with Azaleas - Rhododendrons
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 description of these plants has been written based on numerous outside resources.
Requirements
Hardiness | 4
– 8 |
---|---|
Plant Type | Shrubs |
Plant Family | Azaleas - Rhododendrons, Rhododendron - Azalea |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Late) Summer (Early) |
Height | 6' – 8' (180cm – 240cm) |
Spread | 6' – 8' (180cm – 240cm) |
Spacing | 72" – 96" (180cm – 240cm) |
Water Needs | Average |
Maintenance | Low |
Soil Type | Clay, Loam, Sand |
Soil pH | Acid |
Soil Drainage | Moist but Well-Drained |
Characteristics | Plant of Merit, Showy, Evergreen |
Tolerance | Rabbit |
Attracts | Butterflies, Hummingbirds |
Garden Uses | Beds and Borders, Hedges and Screens |
Garden Styles | City and Courtyard, Informal and Cottage, Traditional Garden |
Guides with Azaleas - Rhododendrons