Dahlia Ice Crystal
Dahlia Ice Crystal
Dahlia Ice Crystal
Dahlia Ice Crystal
Dahlia Ice Crystal
Dahlia
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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 'Ice Crystal' Dahlia is a relatively tall summer bulb, about 1 m (3ft) in height. The large 15 cm (6in) flowers are typical of cactus dahlias and have long, very slender white petals. The centre is delicately marked with pale yellow, giving it a great refinement. Dahlias are spectacular bulbs that offer an explosion of flowers throughout the summer and are also perfect for bouquets. They are not very hardy and should be planted in late spring or early summer in a rather rich and well-drained soil, and stored away for winter.
The 'Ice Crystal' Cactus Dahlia belongs to the Asteraceae family, which is rich in well-known ornamental plants such as asters, rudbeckias, sunflowers, Dahlias, named after the Swedish botanist Andreas Dahl, are fast-growing tuberous perennials. Discovered in the late 16th century in the high plateaus of Mexico, they were not introduced to Europe until 100 years later. Initially tested for their food potential due to their large fleshy tubers, they quickly became highly sought-after ornamental plants, and breeders soon created countless varieties (there are now 20 to 25,000 known varieties!) with distinct characteristics. The large 3 or 5-lobed leaves are medium to dark green, and flowering extends from July to October.
The 'Ice Crystal' variety belongs to the Cactus dahlias group, which is characterized by large, very slender "petals" that curve inwards along their length. Pure white in color, their base is lightly marked with pale yellow, adding a lot of grace to the 15 cm (6in) diameter flower. The plant forms a dense and bushy shrub that reaches an average height of 1 meter (3 feet).
Plant the 'Ice Crystal' Dahlia in the ground in mid to late spring when frost is no longer a concern. Dahlias prefer a cool and rather rich, well-drained soil. You can take advantage of planting to divide the plant by removing one or more tubers if they have at least one well-developed eye. Staking is recommended, especially if your garden is exposed to wind. Then, simply remove faded flowers as they appear. The robust and hollow stems are also suitable for making bouquets. As soon as the cold returns, it is advisable to dig up the tubers and store them in a dark and dry place such as a garage. The plant is destroyed at temperatures below -6°C (21.2°F) and can only be left in the garden all year round in the mildest regions.
Combine the 'Ice Crystal' Dahlia with other varieties such as 'Tartan' or 'Thomas Edison'. It will also liven up late summer flowerbeds, amidst other later-flowering perennials such as 'Tradescant' Divaricate Aster, Vernonia crinita, or 'Gracillimus' Miscanthus sinensis with its long, slender leaves that will contrast with the coarser foliage of the dahlia.
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Ice Crystal
Asteraceae
Dahlia
Cultivar or hybrid
Planting and care
Plant your dahlias during the warm days in deeply cultivated soil enriched, for example, with crushed horn or dehydrated blood. Place your tubercle and crumble the soil well to fill in without any air pockets. Your dahlia should be covered with 6 cm (2in) of soil. At the end of the planting, pour a litre of water. Water regularly during the first 6 weeks to help with rooting. Dahlias are sensitive to cold. They need to be overwintered. In November, the first frosts will darken the foliage, which is the time to dig them up. Carefully unearth the tubercles. Remove as much soil as possible. Let the foliage dry so that the tubercle can replenish its reserves. When the foliage is dry, cut the stems 10 cm (4in) from the tubercle. Spread your bulbs in a crate on newspaper. Store away from frost in a dry, cool, and dark place.
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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