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Dahlia October Sky

Dahlia October Sky
Dahlia

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Flowers up to 13cm (5in) wide, double, in shades of yellow, orange and salmon. This decorative dahlia forms a large bushy clump that can reach a height of 1.40m (5ft), blooming from July to October. A flower with autumnal and sunset colours, flamboyant in borders, sumptuous in a vase.
Flower size
13 cm
Height at maturity
1.40 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 April
Recommended planting time March to May
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Flowering time July to November
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Description

The 'October Sky' Decorative Dahlia has undoubtedly been named so for its fabulous sunset colours that harmonize so well with the autumn glow. Its flowers are double and globular, elegantly formed, and have a golden heart that blends into the outer petals of salmon orange. Over time, the orange and salmon tones take over the flower, while the heart remains dark yellow. The plant, of beautiful stature, forms a large bushy clump and blooms late in the season, with abundant light green foliage.

Dahlias belong to the large family of Asteraceae and are originally from the high plateaus of Mexico. At present, the approximately 75,000 horticultural varieties obtained by humans have invaded, to our great pleasure, gardens all over the world. Dahlias are classified according to the shape of their flowers. 'October Sky', introduced in 2011, is classified in the category of Decorative Dahlias. In this group, the coloured ligules of the head are regularly arranged in a spiral, they can be curved towards the stem or fringed, for example. In this variety, the heads are approximately 13cm (5in) in diameter, and the ligules are wide, flat, and slightly concave. The orange tones intensify over time, dominating the yellow. Flowering occurs from mid-July to October. The plant will reach approximately 1.40m (5ft) in height, and 60-70cm (24 -  30in) in width, with a bushy and upright habit. The highly branched stems are hollow, and the opposite leaves are divided into 3 or 5 leaflets, which are finely toothed. The foliage is a beautiful intense green.

To promote repeat flowering and extend the flowering period, be sure to remove faded flowers. Even better, regularly create attractive colourful bouquets by combining different varieties. The tall stature of this 'October Sky' variety makes it suitable for the back of perennial borders, as well as among bushes that will support its tall stems. Its flamboyant flowering pairs well with red, yellow, orange, brown, and purple. The flowering of sunflowers, Cosmos, and Echinaceas is perfect alongside dahlias, as they occur simultaneously, as well as asters, for example. Also, consider grasses, which have a very beautiful effect in autumn.

Stars of ornamental gardens, dahlias are undoubtedly beautiful flowers, perfect in flowerbeds, and can also enhance vegetable gardens. In Mexico, this tuberous plant was initially cultivated as a root vegetable for consumption. Its poor taste quickly relegated it to the rank of ornamental plant. Since then, the interest in their beautiful exuberance has never waned.

Plant habit

Height at maturity 1.40 m
Spread at maturity 70 cm
Growth rate fast

Flowering

Flower colour orange
Flowering time July to November
Inflorescence Flower head
Flower size 13 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Botanical data

Genus

Dahlia

Cultivar

October Sky

Family

Asteraceae

Other common names

Dahlia

Origin

Cultivar or hybrid

Product reference172281

Planting and care

The decorative Dahlia 'October Sky' 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, 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 without air pockets. Your dahlia should be covered with about 6cm (2in) of soil. At the end of planting, water heavily once 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 frosts cause the foliage to turn black, 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 to 10cm (4in). Spread your bulbs in a crate on newspaper. Store them frost-free 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 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 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's not very aesthetically pleasing. On the other hand, by pinching the stems early or removing the axial flower buds, you will spread out the plant's habit, which will offer more resistance to bad weather. At the same time, you redirect the flow of sap to a single flower, which will become larger and stronger.

Planting period

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

Intended location

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

Care

Pruning instructions Remove the wilted 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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