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Dahlia Hollyhill Calico

Dahlia Hollyhill Calico
Dahlia

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I have received the dahlias and I am very pleased with the follow-up that Promesse Fleurs provides to its customers.

Jean Luc, 12/04/2021

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This plant carries a 6 months recovery warranty

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Value-for-money
Original, the gently multicoloured flowers of this Dahlia are without a doubt. They are all different, each redistributing the game of colors according to its own inspiration. Pink, peach, gold, and cream come together and jostle on these round ball-shaped flowers, from July to October. This unusual variety allows for another dimension to be added to homemade bouquets, as well as to beds of perennials or light annuals.
Flower size
8 cm
Height at maturity
80 cm
Spread at maturity
50 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 Hollyhill Calico offers truly unique flowers, which are both charming and refined. They are truly one of a kind, as they are more than tricoloured, resembling large round balls, and each one is different, but always in a pastel range. Light pink or raspberry, peach, golden, and cream blend together on these flowers, creating a delightful living bouquet. This unusual variety will make a statement in a bed of perennials or annuals with delicate flowers and add another dimension to homemade bouquets, even late in the season.

 

Dahlias belong to the large family of Asteraceae, originally from the high plateaus of Mexico, and have inflorescences organized in heads that we commonly refer to as "flowers". Currently, the approximately 25,000 horticultural varieties created by humans have invaded gardens worldwide, much to our delight. Dahlia varieties are classified based on the shape of their heads. 'Hollyhill Calico' is a Dahlia from the decorative group with Ball-type flowers. In this category, the heads have no visible center and are composed of numerous petals (ligules) regularly arranged and completely rolled up, tubular, and never spreading. It includes varieties that form true balls, such as pompoms (diameter less than 6 cm (2in)) and balls (diameter greater than 6 cm (2in)). 'Hollyhill Calico' will reach a height of approximately 80 cm (32in) when in bloom and 50 to 60 cm (20 to 24in) wide, depending on the growing conditions. It has an upright habit, and its stems sometimes require staking. Its green leaves are divided into denticulate lobes. The flowering of this variety begins in July and ends in October-November, if faded flowers are removed or frequently made into bouquets.

 

Today, Dahlias are essential in gardens, whether in an ornamental garden or even a vegetable garden. Initially cultivated in Mexico as a root vegetable, their poor taste quickly relegated them to the status of ornamental plants, but they are still welcome in the vegetable garden to add some color among the vegetables. 'Hollyhill Calico' is an exceptional flower that can be used as a focal plant in tall beds, alongside pink or white cosmos, or white asters, for example, so as not to overshadow its refined colour. It can also be paired with foliage plants like fennel or purple-leaved varieties (Cotinus Royal Purple, Physocarpus 'Red Baron', Sambucus nigra 'Black Lace'). Its cut flowers, trimmed very short and placed in a shallow bowl surrounded by tendrils and clusters of black grapes, will be wonderful on a festive table in autumn.

Dahlia Hollyhill Calico in pictures

Dahlia Hollyhill Calico (Flowering) Flowering

Plant habit

Height at maturity 80 cm
Spread at maturity 50 cm
Growth rate fast

Flowering

Flower colour multicoloured
Flowering time July to November
Inflorescence Flower head
Flower size 8 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Dahlia

Cultivar

Hollyhill Calico

Family

Asteraceae

Other common names

Dahlia

Origin

Cultivar or hybrid

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Planting and care

The Hollyhill Calico Dahlia 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 frost, rich, fresh, and well-drained soil is 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 without any air pockets. Your dahlia should be covered with about 6 cm (2in) of soil. 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, so they need to be overwintered. In November, the first frosts darken the foliage, which is the 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 10 cm (4in). Spread your bulbs in a crate on newspaper. Store them in a frost-free, dry, cool, and dark place, such as a garage or attic. In regions in the South, close to the coast, experiencing 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 for protection.

This large Dahlia, with its hollow stems and heavy flowers, sometimes struggles with wind or heavy rain. To overcome this inconvenience, you can stake it, but let's admit it, it's 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.

Planting period

Best planting time March to April
Recommended planting time March to May

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 faded flowers regularly.
Pruning Pruning recommended once a year
Pruning time July to September
Soil moisture Moist soil
Disease resistance Very good
Overwinter Needs to be stored
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