Hydrangea serrata Impératrice Eugénie - Mountain Hydrangea
Hydrangea serrata Impératrice Eugénie - Mountain Hydrangea
Hydrangea serrata Impératrice Eugénie - Mountain Hydrangea
Hydrangea x serrata Impératrice Eugénie
Mountain Hydrangea, Tea of Heaven
It was planted on the very day of its arrival. For now, it has taken root and this Empress has treated herself to the luxury of flowering—oh, just a tiny little flower, almost invisible as it's well hidden beneath the leaves, but a white flower nonetheless. Morning shade, afternoon sun, and evening shade seem to suit it... Let's keep our fingers crossed until next year.
Philippe, 16/04/2026
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This plant carries a 24 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Hydrangea serrata 'Impératrice Eugénie' (Collection 1900) is an old variety of hydrangea still appreciated for its hardiness, its long summer flowering, and its beautiful autumn colours. Its almost globular inflorescences gradually change from white to pastel pink and then to burgundy over time, creating a charming gradient on the scale of the plant. The flowers that have turned red form a beautiful association with the foliage which is tinged with bronze to red at the end of the season.
Hydrangea serrata 'Impératrice Eugénie' belongs to the Hydrangeaceae family, native to the mountains of the Kuril Islands to Taiwan and from southern China to eastern Japan. It is a hardy plant that thrives in mountainous climates. The plant forms a beautiful bushy shrub, which will reach about 1.25 to 1.35m (4 to 5ft) in height with a spread of 1.35m (5ft) by the age of 10 years. Its stems bear large dark green dentate leaves which take on beautiful hues in autumn. The colour is variable depending on exposure and soil nature. The abundant flowering begins in June and renews until September. The heavily domed inflorescences are composed of many sterile flowers with 4 petals. Initially almost cream-white, they become pure white and then gradually blush light pink, before turning dark red. The colour of the flowers is barely influenced by the acidity of the soil or its richness in aluminium sulphate.
Hardy up to -15°C (14°F), it will flourish in moist but well-drained, acidic or neutral, humus-rich soil. Give it a location in partial shade or in the morning sun, for example against a wall facing north or northeast. This bush works well in beds, in a low hedge, as a standalone, or in a pot. Combine it with other ericaceous plants such as rhododendrons, azaleas, pieris, and kalmia. Paulownia is very beneficial to hydrangeas, as its turgid roots feed those of the bushes installed in the understorey.
Hydrangea serrata Impératrice Eugénie - Mountain Hydrangea in pictures
Plant habit
Flowering
Foliage
Planting and care
Choose a shady to semi-shady exposure. When planting, use neutral to acidic soil. Every three or four years, place well-decomposed manure mixed with dead leaves at its base. Preferably water with non-limestone water. Be careful with slugs from February, as they attack young buds. Avoid planting your hydrangea under a birch, hazel, or ash due to the competition of roots that could hinder its growth.
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.
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