Dahlia Mystery Day
Dahlia Mystery Day
Dahlia Mystery Day
Dahlia Mystery Day
Dahlia Mystery Day
Dahlia Mystery Day
Dahlia Mystery Day
Dahlia
Well-packaged product, sent with a planting guide.
Thérèse M., 04/05/2018
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This plant carries a 6 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 Decorative Dahlia Mystery Day is one of the favorite varieties for gardeners around the world, an irresistible creation from 1994 that continues to impress, including in neighbouring gardens. Its large bicoloured, fully double flowers bloom in a explosion of colours from summer to frost. They are composed of long ligulate petals ranging from deep red wine to dark purple, widely tipped with pure white, creating a striking overall effect. A flower of excellent durability, it stands tall no matter what, even in rain or strong winds.
Dahlias belong to the large family of asters and are originally from the high plateaus of Mexico. Currently, the approximately 25,000 horticultural varieties created by humans have arrived in gardens around the world, much to our delight. Dahlias are classified based on the shape of their heads. 'Mystery Day' is a decorative Dahlia with large flowers. The inflorescences are composed of several rows of almost flat, long and flexible outer ligules, slightly incurved and curved towards the stem, allowing rain to flow rather than be retained. The heads are opulent and can measure up to 20 cm (8in) in diameter. Each ligule is very dark red at the base, transitioning to a brighter red and ending in a white tip, which may vary in size depending on the flower. The juxtaposition of all these bicolored flowers turns the plant into a captivating bouquet. The plant will reach approximately 1 m (3ft) in height and 70 cm (28in) in width, with a bushy habit. Its smooth-textured leaves are deeply denticulate. The flowering of this variety begins in July and ends in October, if faded flowers are regularly removed or made into bouquets.
Today, Dahlias are essential in gardens. Initially, they were cultivated in Mexico as a root vegetable. Their poor taste quickly relegated them to the status of ornamental plants, but they are still welcome in vegetable gardens to bring some colour among the vegetables and provide a supply of cut flowers. 'Mystery Day', with its strong personality, can be used as a standalone plant, but will be enhanced by a backdrop of grasses (such as Stipa, Pennisetum, Crested Wheatgrass, Carex...) or phlox and white or red cosmos.
Dahlia Mystery Day in pictures
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Mystery Day
Asteraceae
Dahlia
Cultivar or hybrid
Planting and care
Dahlia 'Mystery Day' is easy to grow in all regions. For abundant flowering, it is good to follow a few simple rules. Plant the tubers in full sun as soon as the last frost is over. Rich, damp, and well-drained soil is perfect. However, waterlogging would promote tuber rot. Feel free to amend the soil with compost and sand if necessary. Work the soil deeply and enrich it, for example, with bonemeal. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6 cm (2in) of soil. At the end of planting, water generously once and then regularly repeat this watering during the first 6 weeks to help with rooting.
Dahlias are sensitive to cold, so they need to be overwintered. In November, the first frost blackens the foliage, which is the time to dig them up. Carefully remove the tubers, removing as much soil as possible. Let the foliage dry so that the tubers can replenish their reserves. Then cut the stems to 10 cm (4in). Spread your bulbs in a box on newspaper. Store them in a frost-free, dry, cool, and dark place, such as a frost-free garage or attic, for example. In warmer regions, or areas close to the coast, where there are few frosty days per year, it is possible to leave them in place. In this case, simply cover the ground with a carpet of leaves or straw for protection.
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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