Dahlia All That Jazz
Dahlia All That Jazz
Dahlia All That Jazz
Dahlia
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This plant carries a 6 months recovery warranty
More information
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 'All That Jazz' Decorative Dahlia is a must-have. Its colour is rare, with a gradient ranging from a plum centre to a coppery pink and creamy tips. In summer, it is more red, while in autumn it leans towards peach. Its large double globular flowers are elegantly formed. The plant forms a large bushy clump and blooms late into the season, with abundant dark green foliage.
Dahlias are part of the large Asteraceae family, originally from the high plateaus of Mexico. Currently, the thousands of horticultural varieties created by man have invaded gardens worldwide, much to our delight. Dahlias are classified based on the shape of their flowers. All That Jazz is classified in the category of Ornamental Dahlias. In this group, the coloured ligules of the head are arranged regularly in a spiral, and can be curved towards the stem or slightly curled, for example. In this variety, the heads are approximately 14cm (6in) in diameter and the ligules are wide, slightly flattened, and concave. Flowering occurs from mid-July to October. The plant reaches approximately 1.20m (4ft) in height and 70cm (28in) in width, with a bushy and upright habit. The highly branched stems are hollow, and the opposite leaves are divided into 3 or 5 leaflets, which are finely denticulate. The foliage is dark green.
To promote continuous flowering and extend the blooming period, make sure to remove faded flowers. Even better, regularly create attractive colourful bouquets by combining various varieties. Plant this 'All That Jazz' Dahlia in the middle or back of a flowerbed alongside red, purple, orange, and cream-coloured blooms. For example, try mauve asters, Verbena bonariensis, daylilies like 'George Cunningham' or 'Margaret Perry'. The blooming of sunflowers, Cosmos, and Echinaceas beautifully complement the blooming of Dahlias in summer and early autumn. Also, consider the vibrant spikes of ornamental grasses during this time of year.
As stars of cultivated gardens, Dahlias are undoubtedly beautiful flowers, perfect in flowerbeds, and can also enhance vegetable gardens. In Mexico, this tuberous plant was initially cultivated as a root vegetable for consumption. Its poor taste quickly relegated it to the status of an ornamental plant. Since then, the interest in their beautiful exuberance has never waned.
Dahlia All That Jazz in pictures
Plant habit
Flowering
Foliage
Botanical data
Dahlia
All That Jazz
Asteraceae
Dahlia
Cultivar or hybrid
Planting and care
The 'All That Jazz' decorative Dahlia 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 has passed, rich, fresh, and well-drained soil is perfect. However, stagnant moisture would promote the rotting of the tubers. Do not hesitate to amend the soil with compost and sand if necessary. Work the soil deeply and enrich it, for example, with crushed horn or dehydrated blood. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6cm (2in) of soil. At the end of planting, water once abundantly, then repeat this watering regularly during the first 6 weeks to help with rooting.
Dahlias are sensitive to cold, they need to be overwintered. In November, the first frost blackens the foliage, it is time to dig them up. Carefully remove the tubers. Remove as much soil as possible. Let the foliage dry so that the tubers can replenish their reserves. Then cut the stems to 10cm (4in). Spread your bulbs in a box on a newspaper. Store them away from frost in a dry, cool, and dark place, such as a frost-free garage or attic. In southern regions, close to the coast, where there are few days of frost 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.
This large Dahlia, with its hollow stems, is not resistant to wind or heavy rain. To overcome this inconvenience, you can stake it, but let's agree, it is not very aesthetic. On the other hand, by pinching the stems early or removing the axial flower buds, you will spread out the habit of the plant, which will offer more resistance to bad weather. At the same time, you channel the flow of sap to a single flower that will become larger and sturdier.
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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