Rhododendron Lady Lasa
Rhododendron Lady Lasa
Rhododendron Lady Lasa
Rhododendron Lady Lasa
Rhododendron Lady Lasa
Rhododendron Lady Lasa
Rhododendron Lady Lasa® 'BOUTI0150’
Rhododendron, Rosebay, BOUTI0150
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Description
The Rhododendron 'Lady Lasa' is a variety born at the Domaine de Boutiguéry with a compact and rounded habit, is very floriferous, and produces large bouquets in shades of coral and salmon. Its large flower buds open in April and May in spherical clusters of large bell-shaped flowers. The inside of the flower is pale yellow warmed by coral orange halos, its throat is dark brown, and the outside of the flower is salmon pink. With its small size, this rhododendron can be planted in gardens, small or large, in acidic soil, in shade or in the morning sun.
Rhododendrons and azaleas belong to the Ericaceae family, like Pieris, Heather, and Bilberries. These plants like limestone-free soils with an acidic tendency and humid climates. Rhododendrons, like other acid-loving plants, have a shallow and weak root system, which makes them sensitive to drought and compact and suffocating soils.
The Rhododendron 'Lady Lasa' was created by Virginie de la Sablière at the Domaine de Boutiguery in Brittany, France's largest conservatory of hybridised rhododendrons. It is a superb variety with a compact habit, slow growing up to 1m in height and width at maturity. Its evergreen and leathery leaves are shiny, evolving from light to dark green. They are elliptical in shape, elongated, and measure 6 to 10 cm long. The young shoots emerge in spring in purple-brown, adding additional ornamental value to this variety. Flowering takes place in late April and lasts for three weeks in May. The multiple large and rounded flower buds open in clusters of grouped flowers at the ends of the branches, which are perfectly round. They evolve in shades of coral and salmon, soft and bright. They almost completely cover the plant.
The compact Rhododendron 'Lady Lasa' is suitable for planting in flower beds, small hedges, cool rockeries, or as a standalone plant in small gardens. It prefers a shaded or east-facing exposure in the northernmost regions, with gentle morning sun and protection from the afternoon's heat. Planted in acidic soil, it can be associated with other acid-loving shrubs: Pieris, Azaleas, Japanese Maples, and Skimmia. Plant it at the back of a small flower bed with perennials that thrive in shaded and cool areas, such as Hostas, Japanese Anemones, and Ferns.
Plant habit
Flowering
Foliage
Botanical data
Rhododendron
Lady Lasa® 'BOUTI0150’
Ericaceae
Rhododendron, Rosebay, BOUTI0150
Cultivar or hybrid
Planting and care
Plant the Rhododendron 'Lady Lasa' in a partially shaded to shaded position, protected from cold and drying winds, in a cool, humus-bearing, light soil with an acidic tendency (pH between 4.5 and 6). Like all plants of heathland, it does not tolerate limestone soils, drought, heatwaves, or heavy soils saturated with water in winter.
Dig a hole three times larger than the pot. Soak the root ball in non-limestone water for fifteen minutes and plant the bush at the collar level in a mixture of one-quarter turf, leaf compost, gravel or pumice, and loam. Water thoroughly and keep the soil moist in the summer. Rhododendrons have a shallow root system, so they are sensitive to long periods of drought. Therefore, it is advisable to enrich the soil with humus and water abundantly during dry periods. In addition, this root system is not very strong, so it is essential to lighten heavy soils with draining materials (gravel, pumice, clay pellets) when planting. Apply a mulch of shredded pine bark around the base of the bush every spring to maintain soil moisture.
Maintenance consists of removing faded flowers in summer and cleaning dead branches. Azaleas and Rhododendrons can sometimes be attacked by weevils that eat the edges of leaves and rootlets, as well as the famous "rhododendron beetle", which rarely causes severe damage. Effective organic solutions are now available against weevils. Yellowing of leaves (chlorosis) in Rhododendrons indicates poor assimilation of iron in the soil and can lead to premature death of the plant. While limestone (in the soil or irrigation water) is often the cause, poorly drained soil or deeply planted root balls can also explain the 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 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.
The harvest period stated on our website applies to regions in USDA zones 8b to 9a (East, South-East and southern coast: Eastern Leinster, County Wexford and County Waterford, Cork region: Dublin, Wexford, Waterford, Kilkenny, Cork). It will vary depending on where you live:
- In the Midlands and the inland plains: the Middle Shannon Valley, Westmeath, Offaly, Longford, Cavan and Monaghan (Athlone, Mullingar, Tullamore, Longford, Cavan, Monaghan), in USDA zones 8a to 8b, the harvest will be delayed by 1 to 2 weeks compared with the dates given. Far from the moderating influence of the sea, these plains experience late frosts right up until the end of spring. The heavy, peaty soils warm slowly here, and damp patches form pockets of frost. Wait until the soil has dried out and warmed up before planting, and protect young plants with a fleece on clear nights.
- In the Atlantic West and North-West: Kerry, Clare, Galway, Connemara, Mayo, Sligo and Donegal (Killarney, Ennis, Galway, Westport, Sligo, Letterkenny), in USDA zones 8b to 10a, the harvest will be delayed by 1 to 3 weeks compared with the dates given. Summers here are cloudier, rainier and windier than in the east, which slows down ripening and encourages late blight and other fungal diseases. Kerry and Clare are at the lower end of the range, whilst Mayo and Donegal, which are cooler and more exposed, are at the upper end. However, the mild coastal winters mean that leafy vegetables and root vegetables can be harvested at dates close to those indicated, or even earlier: shelter crops from the wind with hedges and grow heat-loving plants in greenhouses or polytunnels.
- In the highlands, above 200 m: the Wicklow Mountains, Macgillycuddy’s Reeks, the Galtee and Comeragh ranges, the Twelve Bens in Connemara and the Donegal highlands, in USDA zones 7b to 8a, the harvest will be delayed by 2 to 4 weeks compared with the dates given, depending on the altitude, taking care to beat the first early frosts, which may occur as early as the start of autumn. Wind, constant damp and late frosts lasting into early summer significantly shorten the growing season. Opt for sheltered, south-facing slopes, early-maturing varieties and growing under cover.
Depending on your garden’s aspect, these variations can range from one to two weeks. A frost-prone valley floor delays the harvest, whilst a south-facing wall brings it forward.
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