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Dahlia Showpiece Mixed Hybrids Seeds

Dahlia x variabilis Showpiece Mixed Hybrids

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This mix brings together decorative Dahlias with often very double flowers, like large pompoms with rich, bright and varied shades. Some of the varieties that make up this mix are among the most beautiful and have won awards. These plants, grown from seeds, have dark foliage that matches the varieties traditionally grown vegetatively. They are floriferous and robust, making them perfect for the front of borders or in bouquets.
Flower size
8 cm
Height at maturity
1 m
Exposure
Sun, Partial shade
Germination time (days)
15 days
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Sowing period February to May
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Flowering time July to October
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Description

This mixture of Dahlia Showpiece Mixed Hybrids brings together decorative dahlias with often very double flowers, like large pompoms in rich, bright and varied shades. Some of the varieties that make up this mix are among the most beautiful and have been awarded. Derived from seeds, these plants with an upright habit equal the varieties traditionally cultivated vegetatively and flower in the year of sowing. Floriferous and robust, they are perfect for borders or in bouquets.

 

Dahlias belong to the asteraceae family, they are originally from the high plateaus of Mexico. At present, the some 20,000 horticultural varieties obtained by humans have invaded, to our great pleasure, gardens all over the world.
The 'Showpiece Mixed Hybrids' variety is a decorative dahlia, it will reach 1 m (3.3 ft) in height, with a width of 50 cm (19.7 in). Plants from this selection often show very double flowers. For this reason, it can also be classified as a pompom dahlia: it is a horticultural category defined by the shape of the flower. In this group, the coloured ligules of the head are countless, forming a ball-shaped inflorescence. The flowers of this selection are 8 cm (3.1 in) in diameter, they are violet, red, lavender, yellow, carmine, pink or salmon, in an infinite gradient. The golden heart of the flower only appears late, just before wilting. The flowering period is from July to October. The habit is upright, it is sometimes necessary to stake the plants at the end of the season. The very branching stems are hollow and the leaves are opposite, pinnately divided into 3 or 5 very toothed lobes. The leaves and stems are purple.


To promote flowering again, make sure to remove faded flowers, or even better, regularly make large colourful bouquets by combining it with other varieties. In the back of the border, this Dahlia will form colourful spots in the company of Echinaceas for example, which bloom at the same time, as well as  Daylilies or Asters. With Sedums and Miscanthus, it will also make a lovely original mix.


As a star plant for borders and herb 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. But its poor taste qualities have relegated it to the rank of ornamental plant. Since then, the interest in their beautiful exuberance has never waned.

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Dahlia: planting, care and growing tips
Family sheet
by Virginie T. 19 min.
Dahlia: planting, care and growing tips
Read article

Flowering

Flower colour multicoloured
Flowering time July to October
Inflorescence Flower head
Flower size 8 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Plant habit

Height at maturity 1 m
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Dahlia

Species

x variabilis

Cultivar

Showpiece Mixed Hybrids

Family

Asteraceae

Origin

Cultivar or hybrid

Product reference • 829111

Planting and care

Sow in February-March, in trays or pots in a special seed compost that you place in a mini-greenhouse or in a warm place, to maintain a temperature of 18 to 20°C. The seeds will be buried under 1.5 mm (0.1 in) of fine compost. Germination will occur within 7 to 21 days. Transplant the young plants into 8 cm (3.1 in) pots when they are large enough to be transplanted, taking care not to damage the roots.

Gradually harden off these seedlings and transplant them when all risk of frost is gone, spacing them 30 cm (11.8 in) apart.

Plant Dahlias in full sun as soon as the last frost has passed, rich, fresh, and well-drained soils are perfect. However, stagnant moisture 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 crushed horn or dehydrated blood. At the end of planting, water once abundantly and then regularly renew this watering during the first 6 weeks to help with rooting.

Dahlias are sensitive to cold, they need to be overwintered. In November, the first frost will blacken the foliage, it's 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 10 cm (3.9 in). 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 an attic, for example. In southern regions, close to the coast, which experience only a few days of frost per year, it is possible to leave them in place. In this case, simply cover the ground with a layer of leaves or straw as protection.

This tall Dahlia, with its hollow stems, does not withstand wind or heavy rain well. To overcome this drawback, you can stake it, but let's admit it, it is not very aesthetic. On the other hand, by pinching the stems early or removing the axillary 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, which will become larger and stronger.

Sowing period

Sowing period February to May
Germination time (days) 15 days

Intended location

Suitable for Meadow
Type of use Border, Back of border, Container, Vegetable garden
Ease of cultivation Experienced
Exposure Sun, Partial shade
Soil pH Any
Soil moisture Moist soil, in organic matter, the soil provides optimal conditions for plant growth. It is important to maintain proper soil moisture levels and ensure adequate drainage to prevent waterlogging. Additionally, regular fertilization with nutrient-rich compost or organ

Planting & care advice

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