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Dahlia Rock and Roll

Dahlia Rock and Roll
Dahlia

5,0/5
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Received loud and clear, but we'll have to wait for the blooming.

Elisabeth, 09/05/2019

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This plant carries a 6 months recovery warranty

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Value-for-money
'Rock and Roll' is a variety of Dahlia with anemone-like flowers in a deep red and golden yellow colour. An original flower, perfect for enhancing your perennial borders in summer and autumn, it's also a great opportunity to create beautiful bouquets.
Flower size
10 cm
Height at maturity
1 m
Spread at maturity
70 cm
Exposure
Sun
Hardiness
Hardy down to -4°C
Soil moisture
Moist soil
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Best planting time May
Recommended planting time April to May
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Flowering time July to November
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Description

The Dahlia 'Rock and Roll' is an anemone-flowered dahlia. A beautiful flowering plant that harmoniously combines the red of the flat ligules of the crown with the golden yellow of the central pin cushion.

Dahlias belong to the large asteraceae family and are originally from the high plateaus of Mexico. At present, the approximately 20,000 horticultural varieties created by humans have invaded gardens all over the world, much to our delight. Dahlias are classified according to the shape of their flowers. 'Rock and Roll' is an anemone-flowered dahlia. The inflorescences have one to two rows of revolute outer ligules (turned towards the stem) and a wide central disc composed of a collection of long, thin ligules that resemble a pin cushion. The heads of this variety are 10 cm (4in) in diameter. The crown is a magnificent red colour. The central florets are a beautiful golden yellow, some with red markings. The plant will reach a height of 100 cm (39in) and a width of 70 cm (28in), with a bushy habit. As a large variety, it is important to ensure that it is well-branched to strengthen its structure, as the stems of dahlias are hollow. Its leaves are opposite and pinnatisect, meaning they are divided into 3 or 5 leaflets, which have very denticulate lobes. The leaves and stems are dark green.

The flowering period of dahlias is exceptionally long, starting in July and ending in November or first frost. To encourage continuous blooming, make sure to remove faded flowers. Even better, regularly cut them to create attractive colourful bouquets, combining different varieties. In the middle of a flower bed, these dahlias will create colourful spots alongside large echinaceas, sedums, or perennial salvias, for example. When paired with Pennisetum villosum, the combination will have a delicate and soft effect.

The star plant of cottage gardens, dahlias are undoubtedly beautiful flowers. They look impeccable in a flower bed but can also enhance a vegetable garden. In Mexico, these tuberous plants were initially cultivated as root vegetables for consumption. Their poor taste quickly relegated them to the status of ornamental plants. Since then, the appreciation for their beautiful exuberance has never waned.

Dahlia Rock and Roll in pictures

Dahlia Rock and Roll (Flowering) Flowering

Plant habit

Height at maturity 1 m
Spread at maturity 70 cm
Growth rate normal

Flowering

Flower colour two-tone
Flowering time July to November
Inflorescence Flower head
Flower size 10 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Dahlia

Cultivar

Rock and Roll

Family

Asteraceae

Other common names

Dahlia

Origin

Cultivar or hybrid

Product reference12751

Other Dahlias

3
From €6.90 2L/3L pot

Planting and care

The 'Rock and Roll' Dahlia is easy to cultivate 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 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. Place your tuber and crumble the soil well to fill the hole without air pockets. Your dahlia should be covered with about 6 cm (2in) of soil. At the end of planting, water abundantly once and then regularly for the first 6 weeks to help with rooting.

Dahlias are sensitive to cold, they need to be overwintered under shelter. In November, the first frosts blacken the foliage, so 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 down to 10 cm (4in). Spread your bulbs in a crate on newspaper. Store them protected from frost in a dry, cool, and dark place, such as a frost-free garage or an attic. In the southern regions, close to the coast, where there are few frosty 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 not resistant to wind or heavy rain. To overcome this drawback, you can stake it but it's not very attractive. On the other hand, by pinching the stems early you can spread out the habit of the plant, which will offer more resistance to bad weather. Alternatively, you can remove the axillary flower buds to channel the flow of sap to a single flower, which will become larger and sturdier, though taller.

Planting period

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

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Back of border
Hardiness Hardy down to -4°C (USDA zone 9b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Well-drained.

Care

Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Very good
Overwinter Needs to be stored
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