Hydrangea macrophylla Mme Emile Mouillière
Hydrangea macrophylla Mme Emile Mouillière
Hydrangea macrophylla Mme Emile Mouillière
Hydrangea macrophylla Mme Emile Mouillière
Hydrangea macrophylla Mme Emile Mouillière
Hydrangea macrophylla Mme Emile Mouillière
Bigleaf Hydrangea, French Hydrangea
I am currently redoing my 1500m² garden thanks to this site. These hydrangeas were at an unbeatable price, so I ordered 5. They arrived very well packaged but with a milky film on the leaves. All 5. As gardening novices, we planted them without a second thought... but I've just realised it's probably powdery mildew! We made an urgent trip to the garden centre to find a quick solution and stop it contaminating all our other plants! I am very disappointed and I'm afraid they won't survive, and above all that it will spread to the other plants we've just planted :((
Leo, 21/09/2025
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Description
Hydrangea macrophylla 'Mme Emile Mouillère' is an old variety of hydrangea. Its abundant snowball-like flowers possess a unique charm appreciated for over a century. Blooming all year round in mild climates, it punctuates its inflorescences with a delightful pale pink or a soft almond green towards the end of the season. The generous bouquets are arranged on abundant foliage that turns purple in autumn. Classic and timeless, this variety deserves a place in every garden. It is a shade plant, vigorous in the ground and excellent in a large pot or container.
Hydrangea macrophylla 'Mme Emile Mouillère' is a cultivar dating back to 1909. It is one of the many hybrids obtained from H. macrophylla and H. aspera, among others. The hydrangea family is native to China and Japan. 'Mme Emile Mouillère' is distinguished by its vigorous growth, reliability, and exceptional floribundity. It blooms all year round thanks to numerous lateral buds. This shrub is slightly taller than wide, reaching 1.50m (4.9ft) in height and approximately 1.20m (3ft 11in) in spread at maturity, with a fairly rapid growth rate. From July to September, it is covered with beautiful dense and round inflorescences, 15 to 20cm (5.9 - 7.9in) in diameter. The lovely pure white sterile florets gradually punctuate with a soft pink, then take on an almond green hue. The tiny fertile florets are barely visible, nestled within the globular head. The flowering is accompanied by abundant, medium green, leathery, deciduous foliage. It turns a beautiful purple colour in autumn. Hydrangeas can live for at least 50 years.
Hydrangea 'Mme Emile Mouillère' is a perfectly hardy shade variety. Hydrangeas are well known for brightening the north side of houses, this one thrives in the east with morning sun, or in the north, in flower beds as well as hedges. This variety is suitable for growing in the ground as well as in large containers placed on the terrace or near the entrance. Although these plants dislike lime, they are not strictly ericaceous plants. Pair them with Magellan fuchsias, annual impatiens, or plant spring-flowering bulbs in front of their round silhouette. Enjoy their sumptuous flowering for a long time in the garden or in the house as fresh or dried bouquets.
Hydrangea macrophylla Mme Emile Mouillière in pictures
Plant habit
Flowering
Foliage
Botanical data
Hydrangea
macrophylla
Mme Emile Mouillière
Hydrangeaceae
Bigleaf Hydrangea, French Hydrangea
Cultivar or hybrid
Planting and care
Plant the 'Mme Emile Moullière' macrophylla hydrangea in spring or early autumn, preferably in a slightly shaded location, for example against an east-facing wall or even north-facing. Protect it from cold and drying winds. It does not necessarily require ericaceous soil, but it appreciates a deep, moist and well-drained soil, fairly fertile, possibly enriched with a good base fertilizer before planting. If the soil is dry at the base of the wall, install the root ball at least 30 or 40 cm (11.8 - 15.7 in) away and incorporate a quantity of well-rotted compost to better retain moisture in the soil. Very hardy, it is ok to grow in cold regions.
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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