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Helenium autumnale Mariachi™ 'Siesta'

Helenium automnale Mariachi™ Siesta
Common Sneezeweed, Autumn Sneezeweed

4,9/5
5 reviews
1 reviews
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Beautiful plant, well ramified. It flowered from July to mid-August, by August 22nd all the flowers have withered. The flowers were magnificent, even when withered they are still attractive.

mcm, 22/08/2024

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This plant carries a 12 months recovery warranty

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Value-for-money
A countryside garden without Heleniums is not a true countryside garden. This recent variety, compact and bushy, offers a mass of shining daisies at the end of summer, with ligulate petals that are blueish-red, touched with orange at the edges, surrounding a prominent heart, burgundy circled with yellow, creating a superb bicolour effect. The ramified and sturdy stems of this perennial offer an abundance of flowers for bouquets. Easy to cultivate in the sun and in moist soil, this generous plant warms the heart and delights the eye, both in the garden and in pots.  
Flower size
8 cm
Height at maturity
55 cm
Spread at maturity
60 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time March to May, September to November
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Flowering time August to October
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Description

Helenium 'Siesta', also known as Hybrid Autumn Sneezeweed, is a recent Dutch creation. This compact and bushy variety offers a mass of dazzling daisies in late summer, with ligulate petals in blue-red, touched with orange on the edges, surrounding a prominent burgundy heart circled in yellow, creating a superb bicolour effect. The branched and sturdy stems of this robust perennial provide an abundance of flowers for bouquets. Easy to grow in the sun and in moist soil, this generous plant warms the heart and delights the eye, both in the garden and in pots.

 
 

Heleniums are perennials from the aster family, native to North America, where they most often grow near wetlands. The 'Siesta' cultivar comes from the autumnal Helenium species, a perennial with very richly coloured flowers and vigorous growth. 'Siesta' is a compact and very floriferous variety. It has a squat and bushy habit, with branched stems reaching a height of 40 to 55cm (16 to 22in). The coloured leaves, a bright green with smooth margins, are arranged alternately along the stems. From August to October, a large number of flower heads tirelessly bloom at the top of the stems. These inflorescences resemble large 8cm (3in) diameter daisies. In the centre, the shiny burgundy cone gradually gives way to yellow stamens arranged in a concentric circle. At the periphery, red florets, with blueish reflections and orange spots on the edges, fade while allowing themselves to be slightly invaded by yellow. This almost unreasonable flowering announces with fanfare the beginning of autumn flowers and foliage.

 

A countryside garden without a Helenium is not a real one. 'Siesta' is a robust plant, hardy and never prone to disease. It appreciates ordinary but moist soils and sunny positions. Easy to grow, it flowers equally well on slopes, in borders and in containers on the terrace. Despite all these qualities, Heleniums remain rare in gardens. Perhaps because their warm tones announce autumn a little too quickly, while the garden and gardener are still trying to hold onto the last summer blooms; however, they are the perfect complement to asters. 'Siesta', when paired with Rudbeckias, goes very well with autumnal plants such as Heucheras and sunflowers, but it can also be associated with deciduous spindle trees, whose foliage ignites at the first cold, or with the sumptuous red vine used in dyeing. In a different setting, the velvety foliage of Stachys or salvias greatly enhances the warm hue of this flowering.

Helenium autumnale Mariachi™ 'Siesta' in pictures

Helenium autumnale Mariachi™ 'Siesta' (Flowering) Flowering
Helenium autumnale Mariachi™ 'Siesta' (Foliage) Foliage

Flowering

Flower colour red
Flowering time August to October
Inflorescence Flower head
Flower size 8 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Plant habit

Height at maturity 55 cm
Spread at maturity 60 cm
Growth rate normal

Botanical data

Genus

Helenium

Species

automnale

Cultivar

Mariachi™ Siesta

Family

Asteraceae

Other common names

Common Sneezeweed, Autumn Sneezeweed

Origin

Cultivar or hybrid

Product reference808311

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Planting and care

Plant the 'Siesta' Helenium in ordinary soil provided it is well-drained by adding planting compost and/or well-decomposed compost. Choose a sunny exposure for it. Water regularly after planting, and once established, only water in case of prolonged drought. This particularly tall variety will benefit from staking. Cut back the plant once the stems have turned black. Every 2 to 3 years, you can divide the clump in spring or autumn to regenerate the plant and give it renewed vigour.

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Planting period

Best planting time March, October
Recommended planting time March to May, September to November

Intended location

Suitable for Meadow
Type of use Border, Edge of border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Rich and well-drained

Care

Pruning instructions Cut back the withered stems to ground level in late winter.
Pruning Pruning recommended once a year
Pruning time March to April
Disease resistance Very good
Overwinter Can be left in the ground
4,9/5
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