Hydrangea serrata Grayswood - Mountain Hydrangea
Hydrangea serrata Grayswood - Mountain Hydrangea
Hydrangea serrata Grayswood - Mountain Hydrangea
Hydrangea serrata Grayswood - Mountain Hydrangea
Hydrangea serrata Grayswood
Mountain Hydrangea, Tea of Heaven
order received in good condition thank you
jean-françois, 06/05/2021
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Description
Hydrangea serrata 'Grayswood' is a bush with dark green dentate leaves and pure white flowers that turn carmine pink then burgundy at the end of the season.
Hydrangea serrata 'Grayswood' forms a small bush, 1.5m (5ft) high and 1.2m (4ft) wide, with dark green and dentate leaves. The sterile flowers emerge white before turning pale-pink, contrasting with the fertile buds at the centre of the flat inflorescence, 15cm (6in) in diameter. At the end of summer, the whole flower turns crimson. It blooms on the current year's wood. The colour of the flowers varies depending on the nature of the soil and the presence or absence of aluminium sulphate.
Hydrangea serrata is native to the mountains from the Kuril Islands to Taiwan and from southern China to eastern Japan. It thrives in mountainous climates. Hardy up to -15°C (5°F), 'Grayswood' thrives in well-drained, acidic or neutral soil, neither heavy nor wet. Plant in in partial shade or in the sun but without the hot midday hours that could burn the flowering.
It is perfect for a shrub border, as a standalone, or in a large container. Consider hydrangeas for composing spectacular flowering hedges. Combine them with other plants from non-limestone humiferous soil: pieris, azaleas, camellias, rhododendrons, and hardy fuchsias. Paulownia tomentosa is an ideal companion as its turgid roots feed those of other bushes planted in the understorey.
Hydrangea serrata Grayswood - Mountain Hydrangea in pictures
Plant habit
Flowering
Foliage
Botanical data
Hydrangea
serrata
Grayswood
Hydrangeaceae
Mountain Hydrangea, Tea of Heaven
Cultivar or hybrid
Planting and care
Choose neutral to acidic compost. Use a liquid fertiliser. Every three to four years, add a layer of well-decomposed manure mixed with leaves so as not to attract moles or promote armillaria (a fungus that destroys the stump). For good growth, mulch the base. Water little, but often, with non-limestone water. Beware of slugs from February, as they attack young buds. Avoid planting your hydrangea under a birch, hazel or ash tree due to root competition that could hinder growth. Prune at the end of winter by removing completely dry stems. Prune the oldest stems at mid-height above the young shoots.
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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