Hydrangea macrophylla Black Steel Zebra
Hydrangea macrophylla Black Steel Zebra
Hydrangea macrophylla Black Steel Zebra
Hydrangea macrophylla Black Steel Zebra
Bigleaf Hydrangea, French Hydrangea, Mophead Hydrangea
beautiful hydrangea
Patricia M., 28/03/2017
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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
The Hortensia or Hydrangea macrophylla Black Steel 'Zebra' is a unique discovery. It is a seductive plant in its contrast and elegance. It forms a compact bush with ebony-black stems and lush fir-green foliage, upon which rounded white and billowy flowers appear throughout the summer. This small, hardy shrub, with its innovative style, will also make an impression in winter. It fits perfectly in small, well-kept gardens as well as on a contemporary terrace, to brighten up a shaded area, in fresh, non-calcareous soil.
Hydrangea macrophylla Black Steel 'Zebra' is a curious hydrangea with black and shiny wood. It is the result of cross-breeding between the species Hydrangea macrophylla and H. aspera, among others. All these hardy plants belong to the Hydrangeaceae family, originating from China and Japan. 'Zebra' is part of a series of cultivars selected for their dark stems. This bush has a compact and rounded, regular and elegant habit. It reaches a mature size of about 1 m (3.3 ft) in all directions, with fairly rapid growth. From July to September-October, its small fertile and sterile flowers form medium-sized, rounded and dense hemispherical inflorescences, 10 cm to 20 cm (3.9 in to 7.9 in) long. They are composed of turbinate sterile and fertile florets, initially lime green at flowering, becoming white over time. In acidic soil, the flowers can take on a pale blue hue when mature. The flowering period extends over abundant, shiny dark green, deciduous, dentate foliage. The leaves are opposite, reaching a minimum length of about 10 cm (3.9 in). They are simple, ovate to elliptical, ending in a tapered point, coarsely toothed like a saw. Hydrangeas can live for at least 50 years.
'Zebra' is a striking plant that can resemble a fragrance-free gardenia. Hydrangeas are well known for brightening up the north side of houses. This one will thrive in a non-burning east or west exposure, in full sun or partial shade, in flower beds as well as in isolation. This variety is particularly well-suited for container gardening, which can be placed on a terrace in a beautiful pot, or near an entrance. Although these plants dislike limestone, they are not strictly speaking acid-loving plants. Mix them with Magellan fuchsias, annual impatiens, or plant spring-flowering bulbs in front of their round silhouette. Enjoy their sumptuous flowering in the garden or in the house for a long time.
Hydrangea macrophylla Black Steel Zebra in pictures
Plant habit
Flowering
Foliage
Planting and care
Plant in spring or early autumn, preferably in a slightly shaded position, for example against an east-facing wall, or even north-facing. In very cold regions, it may be prudent to overwinter it in a cold greenhouse or conservatory, even though it can withstand -15° C (5° F) without suffering. Protect it from cold and drying winds. It does not require ericaceous soil, but appreciates deep, moist but well-drained, fairly fertile soil, possibly enriched with a good base fertiliser before planting. If the ground is dry at the base of the wall, plant the root ball at least 30 cm to 40 cm (11.8 in to 15.7 in) away from it and incorporate a quantity of well-rotted compost to better retain moisture in the soil. Very hardy, it can be planted in cold regions without fear. Regarding pruning, remove faded flowers on the first bud or on the pair of buds directly below. Cut back to the base by a quarter or a third the oldest stems, when the plant is mature, to promote the formation of new shoots. Carry out this pruning every year during March and April.
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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