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Dahlia Onesta

Dahlia Onesta
Dahlia

4,4/5
8 reviews
3 reviews
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Dahlia bought on sale in July and promptly planted in very good soil. The bulb was healthy and quickly grew, giving me beautiful flowers in no time.

Sonia, 15/10/2022

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This plant carries a 6 months recovery warranty

More information

This decorative Dahlia forms a large camellia-like flower, dark lavender pink, very bright. The flowers are composed of numerous rows of flat petals (ligules), so numerous that it is impossible to distinguish the centre of the flower. This modest-sized variety will not exceed 70 cm (28in) in height to enhance the flowerbeds by adding a very colourful touch.
Flower size
20 cm
Height at maturity
70 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 'Onesta' Decorative Dahlia forms a large camellia-like flower with good durability, whose intense dark lavender pink colour is warm and bright. The flowers are composed of numerous rows of relatively flat petals (ligules), so numerous that the centre of the flower cannot be distinguished. This modest-sized variety offers less wind resistance and will enhance flower beds with a very colourful touch.

Dahlias belong to the large Asteraceae family and are initially from the high plateaus of Mexico. Currently, the approximately 25,000 horticultural varieties obtained by humans have invaded, much to our delight, gardens worldwide. Dahlias are classified according to the shape of their heads. The 'Onesta' Dahlia is a decorative Dahlia with camellia-like flowers, also in the botanical classification of 'Arabian Nights'. The plant will reach a height of 70 cm (28in) and a width of 50 cm (20in). It has a bushy and erect habit, but its sturdy stems do not require staking. Its leaves are opposite and divided into very denticulate lobes. The leaves and stems are dark green. The flowering of this variety, if faded flowers are removed, begins in July and ends in October. The flower heads of decorative Dahlias with camellia-like flowers have wide and flattened outer ligules. The heads of the 'Onesta' variety are perfectly constructed and can reach up to 20 cm (8in) in diameter. They have a beautiful, intense medium pink colour, slightly deeper pink in the centre. The golden heart only appears late, just before fading.

'Onesta' pairs particularly well with pink and white flowers, especially the full-bodied corollas of old roses. In the background of flower beds, this Dahlia will create colourful spots with Echinaceas, Cosmos, or even Sedums and Japanese anemones. Some Pennisetum villosum add softness and delicacy to the decor. This variety is also well-suited for growing in large containers, easily embellishing the terrace or balcony.

Today, essential in gardens, Dahlias were initially cultivated in Mexico as a root vegetable. Their poor taste qualities quickly relegated them to ornamental plants. However, they are still welcome in vegetable gardens to bring some colour amidst the vegetables and increase the supply of flowers for bouquets.

Dahlia Onesta in pictures

Dahlia Onesta (Flowering) Flowering
Dahlia Onesta (Foliage) Foliage

Plant habit

Height at maturity 70 cm
Spread at maturity 50 cm
Growth rate fast

Flowering

Flower colour pink
Flowering time July to November
Inflorescence Flower head
Flower size 20 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Dahlia

Cultivar

Onesta

Family

Asteraceae

Other common names

Dahlia

Origin

Cultivar or hybrid

Product reference67491

Planting and care

The Dahlia 'Onesta' 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 frost has passed. Rich, moist, 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 blood, fish and bone. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6 cm (2in) of soil. At the end of planting, water once abundantly, then regularly renew this watering during the first six weeks to help with rooting. Dahlias are sensitive to cold, so they need to be overwintered. In November, the first frosts blacken the foliage, which is the time to dig them up. Carefully unearth the tubers and 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 away from frost in a dry, cool, dark place like a frost-free garage or attic. In milder regions, where there are only a few days of frost per year, it is possible to leave them in place. In this case, cover the ground with a layer of leaves or straw for protection.

1
7,50 € Bag

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, Edge of border, Container, 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 to encourage flowering.
Pruning Pruning recommended once a year
Pruning time July to September
Soil moisture Moist soil
Disease resistance Very good
Overwinter Needs to be stored
4,4/5

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