Rhododendron Anna Rose Whitney
Rhododendron Anna Rose Whitney
Rhododendron Anna Rose Whitney
Rhododendron Anna Rose Whitney
Rhododendron
Two broken branches, that's the problem with DPD mistreating the parcels (half-open) and delivering them anywhere (it's up to you to find them)...
Patrick, 10/05/2023
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Description
The Rhododendron 'Anna Rose Whitney' is a vigorous Rhododendron with rapid growth that offers a flowering as spectacular as it is radiant ! Adorned with dense foliage, this beautiful variety offers enormous bouquets of bright and intense pink flowers in spring, particularly luminous in semi-shade, but almost pretentious in full sun. Its assets of a harmonious habit, an evergreen and generous growth, and a spectacular flowering in May-June, will give it its full measure in light, cool, limestole-free soil, and in a humid climate. A classic among pink Rhododendrons.
Resulting from the cross-breeding between several species and varieties, the Rhododendron 'Anna Rose Whitney' is a North-American horticultural achievement dating from 1954. It is a plant from the Ericaceae family, almost exclusively suited to acidic soils. It is a hybrid variety with large flowers that are very hardy. With rapid growth for a 'rhodie', it forms a bush with an upright and ramified habit, dense, almost as wide as it is tall. By the age of 10, it will reach 2 m (7 ft) in height for 1.30m (3ft) to 1.50m (5ft) in spread. Its branches carry persistent thick, ovate to elliptical, dark olive green leaves with a matt finish, velvety and lighter on the underside. Its growth is harmonious and its foliage elegant, so it has a real presence in the garden all year round. However, it is in May-June that it stands out thanks to its remarkably generous bright pink flowering with carmine at the heart. Shaped like large campanulate bells of 10 cm (3.9 in) in diameter, the blooms are grouped by 12 to 21 in enormous conical clusters at the end of the many stems.
'Anna Rose Whitney', of good size, has enough presence to feature in a large bed of bushes or in a hedge. You can also try growing it in a large pot on the terrace or balcony, where its dimensions will remain more modest. Its cultivation is not difficult, provided that it benefits from suitable soil and climate; rhododendrons are plants as attractive as they are exclusive! The flowering of a somewhat "kitsch" pink in full sun reveals an extraordinary brightness in the shade, it will be necessary to take this into account when choosing its location. It goes well with the white blooms of other varieties such as Rhododendron Boddaertianum and the pastel tones of Hydrangeas (the choice is vast, from white to pink, through blue). Other peat soil-loving plants like Skimmia, Pieris, Fothergilla, anemone trees, heathers and Japanese maples are good companions for Rhododendrons.
Rhododendron Anna Rose Whitney in pictures
Plant habit
Flowering
Foliage
Botanical data
Rhododendron
Anna Rose Whitney
Ericaceae
Rhododendron
Cultivar or hybrid
Planting and care
Plant the Rhododendron 'Anna Rose Whitney' in any exposure, it can handle both shade and sun. It however prefers a semi-shade exposure, away from burning rays, protected from cold and drying winds. Plant it in a cool, humus-rich and light soil with an acidic tendency. Like all heathland plants, it cannot tolerate chalky or heavy, waterlogged soil in winter. The cultivation of rhododendrons proves disappointing on chalky subsoil in the long term, even when providing a peat soil pit for them, which is often accompanied by watering with equally chalky water, to be avoided.
Dig a hole with a volume three times larger than the pot. Soak the root ball in (non-chalky) water and plant the bush at the level of the base, in a mixture composed of 1/4 turf, leaf compost, gravel or pozzolan and good soil. Water generously and keep the soil cool in summer with mulch. Azaleas and Rhododendrons have a shallow root system. As a result, they are averse to long periods of drought as they are of waterlogged, poorly aerated soils. This is why humus-rich soil and abundant watering during dry periods are recommended. Moreover, this root system is not very strong, which is why it is essential to lighten heavy soil with permeable materials (gravel, pozzolan, clay balls) at planting.
Arrange a mulch of crushed pine bark at the foot of the bush every spring to keep the soil cool while maintaining an acidic pH. Maintenance is reduced to dead-heading in summer and removing any dead branches.
Azaleas and Rhododendrons can sometimes be attacked by vine weevils that eat the edges of the leaves and the rootlets as well as by the famous 'rhododendron weevil', which does not often cause significant damage. You can, however, treat with carbofuran. The yellowing of the leaves (chlorosis) in the Rhododendron indicates a poor assimilation of iron from the soil and causes the premature death of the plant. If the chalk that rises from the deep layers of the soil is often the cause, a poorly drained soil or a root ball planted too deeply can also explain this phenomenon.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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