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Dahlia Davos

Dahlia Davos

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The flowers of this Dahlia are entirely compound, 20 cm wide, made up of petals of a fiery red with a very contrasting white tip. They bring a lot of dynamism and modernity to the garden or bouquets. The young plant forms a spreading clump about 90 cm in height and it flowers from July until the first frosts.
Flower size
18 cm
Height at maturity
90 cm
Spread at maturity
60 cm
Exposure
Sun
Hardiness
Hardy down to -4°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to May
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Flowering time July to November
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Description

The Dahlia 'Davos' is characterized by large, very double flowers with a remarkable contrast of red dotted with white. Its not very tall, sturdy stems do not bend under the weight of the flowers and are perfect for making bouquets. A prolonged flowering period, from July until the frosts, allows you to refresh the style of your floral arrangements.

The Decorative Dahlias are tuberous plants from the large family of asteraceae, they bear inflorescences in heads that we call "flowers" in common language. Dahlias are classified according to the shape of their flower. The Dahlia 'Davos' is classified in the category of Decorative Dahlias. In this group, the coloured ligules of the head are arranged regularly in spirals, they can be curved towards the stem or fringed for example. In this variety, the heads measure 15 to 20 cm in diameter and the slightly undulate ligules have a pointed tip. Each "petal" is distinctly bicoloured. The flowering period is from July to October. The plant reaches approximately 90 cm in height, and 50 to 60 cm in width, with a bushy and upright habit. The very branching stems are hollow and the leaves are opposite, divided into 3 or 5 leaflets, which form very denticulate lobes. The leaves are quite dark green and the stems more or less tinted with purple-brown.

By deadheading the faded flowers, you will enjoy a long-lasting flowering. Even more enjoyable, create beautiful bouquets with the generous dahlias by combining various varieties. Lighten the large flowers of decorative dahlias by associating them with more airy flowers like gauras, small-leaved salvias or Linarias. Fine-leaved plants like grasses play the same role, in addition to adding beautiful golden spikes. Plant 'Davos' in the middle of a bed of lower perennials. Shrubs with purple foliage like Loropetalum create a beautiful setting for this red and white variety.

Essential in cottage gardens, Dahlias are remarkable in flower beds, but they can also enhance the vegetable garden. In Mexico, this tuber was initially cultivated as a vegetable root for human consumption. Its fairly average taste qualities quickly relegated it to the status of an ornamental plant.

Dahlia Davos in pictures

Dahlia Davos (Flowering) Flowering

Plant habit

Height at maturity 90 cm
Spread at maturity 60 cm
Growth rate fast

Flowering

Flower colour two-tone
Flowering time July to November
Inflorescence Flower head
Flower size 18 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Dahlia

Cultivar

Davos

Family

Asteraceae

Origin

Cultivar or hybrid

Product reference23340

Planting and care

The Dahlia Davos is easy to grow in all regions. For a generous flowering, it is good to follow a few simple rules, plant the tubers in a sunny location after the last frosts, 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 with crushed horn or dehydrated blood, for example. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6 cm of soil. At the end of planting, water abundantly once 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 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 rebuild their reserves. Then cut the stems to 10 cm. Spread your bulbs in a box on newspaper. Store them away from frost in a dry, cool, dark place, such as a frost-free garage or attic, for example. In southern regions, close to the coast, experiencing few frost days per year, it is possible to leave them in place. In this case, simply cover the ground with a layer of leaves or straw for protection.

This tall Dahlia, with its hollow stems, is still sensitive to strong winds or heavy rains. To overcome this inconvenience, you can stake it, but let's agree, it's not very aesthetic. However, 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 stronger.

Planting period

Best planting time March to April
Recommended planting time March to May
Planting depth 10 cm

Intended location

Suitable for Meadow
Type of use Border, Vegetable garden
Hardiness Hardy down to -4°C (USDA zone 9b) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Fertile, well-drained

Care

Pruning instructions Remove regularly the faded flowers to encourage the flowering.
Pruning Pruning recommended once a year
Pruning time July to September
Soil moisture Moist soil
Disease resistance Good
Overwinter Needs to be stored

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