Rhododendron Fragrantissimum
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Nathalie D.
Rhododendron Fragrantissimum
Nathalie D. • 75 FR
Nathalie D.
Rhododendron Fragrantissimum
Nathalie D. • 75 FR
Rhododendron Fragrantissimum
Rhododendron edgeworthii x formosum Fragrantissimum
Rhododendron hybride
Vigorous bush, Perfect shape for the intended spot.
Pierre, 21/09/2021
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Description
Rhododendron 'Fragrantissimum' is one of the most fragrant. Its large fragrant flowers in pure white bells tinged with pink adorn an evergreen bush with an upright and airy habit. For sheltered locations.
Early in the season, as early as March, Rhododendron 'Fragrantissimum' opens its white flowers, tinged with pink on the reverse and with a touch of green in the throat. Of a good size, they reach up to 7.5 cm (3in) long and are grouped in corymbs, with up to 4 florets. Their exceptional fragrance diffuses over dozens of metres, particularly if the weather is mild and calm.
Resulting from the cross between Rhododendron edgeworthii and Rhododendron formosum, the hybrid 'Fragrantissimum' forms a bush with an upright habit, reaching approximately 1 m (3ft) in height . Its growth is rather loose and airy: it can be pruned to shape it. Its evergreen leaves are dark green, rather small, elliptical in shape, leathery, hairy, and deeply veined. Although it is a hybrid, its light habit and foliage allow it to maintain the natural elegance of botanical species!
Rhododendron 'Fragrantissimum' is hardy down to -8°C. It is therefore best reserved for gardens that are most sheltered from frost on the coast or in city centres. It prefers a semi-shaded exposure, sheltered from cold winds, if possible near a pathway to enjoy its exceptional fragrance. Slow-growing, this acid-loving bush prefers damp, humus-rich, well-drained soils. In regions with harsh climates, it is easy to cultivate in a pot to protect it in a cold greenhouse during winter or on a well-situated city balcony.
Rhododendron Fragrantissimum in pictures
Plant habit
Flowering
Foliage
Botanical data
Rhododendron
edgeworthii x formosum
Fragrantissimum
Ericaceae
Rhododendron hybride
Cultivar or hybrid
Planting and care
Plant Rhododendron 'Fragrantissimum' in a semi-shaded position, protected from cold and drying winds, in a damp, humus-rich, and light soil with an acidic tendency. Like all plants in the heath family, it does not tolerate limestone soils or heavy soils saturated with water in winter. Dig a hole three times larger than the pot. Soak the root ball in non-calcareous water and plant the shrub at the level of the collar, in a mixture composed of 1/4 compost, humus, gravel or pumice, and loam. Water generously and keep the soil moist in summer.
Azaleas and Rhododendrons have a shallow and relatively limited root system. Therefore, they are sensitive to long periods of drought. That is why it is recommended to enrich the soil with humus beforehand and water abundantly with non-calcareous water during dry periods. In addition, this root system is not very strong, which is why 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 while keeping an acidic pH.
Maintenance involves removing old faded flowers in summer using pruning shears and clearing the plant of dead branches. Azaleas and Rhododendrons can sometimes be attacked by weevils that eat the edges of leaves and rootlets, as well as the infamous "rhododendron beetle" which does not often cause significant damage. Yellowing of the leaves (chlorosis) in Rhododendrons indicates poor iron assimilation in the soil and can lead to the premature death of the plant. While limestone is generally 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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.