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Dahlia balle Polventum Supreme
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Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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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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Dahlia 'Polventum Supreme' is a variety of dahlia known as a "ball" dahlia that will charm with its pale yellow flowers in campanulate pompom heads, of a good size for a ball dahlia, very bright and produced profusely on a sturdy plant. They blend in with flower beds and work wonders in a vase with white or blue flowers.
Dahlias belong to the aster family and are originally from the high plateaus of Mexico. Currently, the approximately 75,000 horticultural varieties obtained by humans have invaded gardens around the world, much to our delight.
The recently launched 'Polventum Supreme' variety in the horticultural market will reach approximately 90cm (35in) in height and 60cm (24in) in diameter. It is a decorative dahlia classified as a ball dahlia; it is a horticultural category defined by the shape of the flower. In this group, the heads are modest in size (7 to 9cm (3 to 4in)), but produced abundantly, and the ligulate florets form a perfectly spherical inflorescence with a honeycomb-like structure. The flowers of 'Polventum Supreme' are globular and have a diameter of about 12cm (5in). The ligulate florets are white, washed with pale yellow, gradually lightening on the periphery over time. The golden heart of the flower only appears late, just before wilting. The abundant flowering takes place from July to October. The habit is bushy and upright. The highly branched stems are hollow, and the leaves are opposite, pinnatisect, meaning they divide into 3 or 5 highly dentate lobes. The stems and leaves are of a medium green colour.
To promote repeat flowering, take care to remove faded flowers, or better yet, regularly make large colorful bouquets by combining it with other varieties. 'Polventum Supreme' fits well in flower beds with white, blue, or orange flowers. It pairs perfectly with grasses and bellflowers. Also associate it with coneflowers that bloom at the same time, as well as asters and large daisies... This variety allows you to enhance bouquets until late in the season.
As a star plant in borders and cottage gardens, dahlias confidently accompany the most beautiful flowers but are also appreciated alongside vegetable plants. In Mexico, this tuberous plant was first cultivated as a root vegetable for consumption. However, its poor taste qualities relegated it to the status of an ornamental plant. Since then, the interest in their beautiful exuberance has never waned.
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Dahlia Polventum Supreme in pictures
Plant habit
Flowering
Foliage
Botanical data
Dahlia 'Polventum Supreme' is easy to grow in all regions. For abundant flowering, it is good to follow a few simple rules, plant the tubers in a sunny location as soon as the last frosts have passed, rich, fresh and well-drained soils are 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 and then renew 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 frosts cause the foliage to blacken, it is time to dig them up. Carefully unearth 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 newspaper. Store them protected from frost in a dry, cool and dark place, such as a frost-free garage or attic, for example. In regions in the South, 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 soil with a carpet of leaves or straw for protection.
Planting period
Intended location
Care
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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).
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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 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:
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.