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Heliopsis helianthoides var. scabra Venus

Heliopsis helianthoides var. scabra Venus®
Oxeye sunflower, False sunflower, Smooth oxeye, Rough oxeye

4,5/5
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I was waiting for spring to be well advanced to give my opinion. She arrived with a tiny shoot that seemed quite bare, unfortunately it hasn't grown since despite my careful care ...

Nathalie, 26/05/2022

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This plant carries a 12 months recovery warranty

More information

A large-flowered Heliopsis, initially selected for its cut flower: its sturdy stems, 90cm (35in) tall, bear daisy-like flowers in summer, 10cm (4in) in diameter, bright and golden around a yellow centre. This perennial is closely related to Helianthus, the famous sunflower, to which it bears a strong resemblance. Not demanding, it can be easily grown in any well-drained, dry soil, in full sun. Its vigour and simplicity make it suitable for wildflower compositions, in the garden, in flower pots, but also in a vase.
Flower size
10 cm
Height at maturity
90 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, September
Recommended planting time March to May, September to November
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Flowering time July to September
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Description

Heliopsis helianthoides 'Venus', initially selected for cut flowers, is a variety of false sunflower that stands out for the large size of its semi-double flowers and its long, sturdy stems that usually don't require staking. This cousin of the sunflower is adorned with a radiant summer flowering made up of daisy-like flowers in a warm, bright yellow colour with a darker yellow centre. Plant Heliopsis, they are excellent perennial plants for meadows, wild fields, both unpretentious and full of good cheer, and their cultivation is within the reach of all gardeners, even beginners!

 

Heliopsis belongs to the Asteraceae family. H. helianthoides var. scabra, from which this superb variety 'Venus' comes from, is native to North America, where it is generally found in open woodlands and tall grass prairies.

'Venus', selected in Germany, is a rhizomatous perennial plant with a non-spreading woody stump. It forms a bushy clump with many solid, branched leafy stems, reaching a height of up to 90cm (35in) and spreading 50-60cm (20-24in) wide. Its growth rate is medium to fast. Flowering occurs from July to September if faded flowers are regularly removed. The inflorescence appears at the end of each stem and is composed of several heads (capitules), 10cm (4in) wide. The capitules bear two rows of bright yellow ray florets arranged in a collar around a beautiful rounded ochre-yellow central disk that turns brown in autumnThe flowers, highly visited by insects, are followed by seeds that birds love.  The foliage extends up to the top of the stems, it is bright green and rough, with lanceolate and dentate leaves that are a bit triangular and strongly toothed at the edges. Their colour is greyish-green. The vegetation disappears in winter and regrows every spring from the stump.

 

Trends can be quite closed-minded because the upright habit of Heliopsis, its long flowering period, and its low requirements are all keys that should open the door to every garden.... but no! Yet, all specialists agree that they are excellent plants. 25 years ago, Alan Bloom, a famous perennial plant breeder in England, said: "These are certainly the last plants I would part with if I decided to eliminate the yellow colour from the borders in my garden." Combine Heliopsis Venus in meadows and sunny borders with other easy and vigorous perennials or annuals such as mulleins, Scabiosa, tall daisies, Buenos Aires Verbena, Nigella, and Cosmos, for example. Beneficial for pollinating insects, it is a very good plant for homemade bouquets.

Heliopsis helianthoides var. scabra Venus in pictures

Heliopsis helianthoides var. scabra Venus (Flowering) Flowering
Heliopsis helianthoides var. scabra Venus (Foliage) Foliage

Flowering

Flower colour yellow
Flowering time July to September
Inflorescence Flower head
Flower size 10 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Flowering description Semi-double bright golden daisies.

Foliage

Foliage persistence Deciduous
Foliage colour green
Foliage description Deciduous

Plant habit

Height at maturity 90 cm
Spread at maturity 60 cm
Growth rate normal

Botanical data

Genus

Heliopsis

Species

helianthoides var. scabra

Cultivar

Venus®

Family

Asteraceae

Other common names

Oxeye sunflower, False sunflower, Smooth oxeye, Rough oxeye

Origin

Cultivar or hybrid

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  7. 65
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Planting and care

The false sunflower (Heliopsis) is an easy-to-grow plant. It adapts to any well-drained soil and only fears excessive winter humidity and slightly dry soil in summer. However, it tolerates clayey, poor, and occasionally dry soils. Heliopsis helianthoides 'Venus' prefers a sunny exposure, but it tolerates partial shade, which may result in a looser habit, sometimes requiring staking. This variety is wind-resistant. It is advisable to deadhead the flowers to promote reblooming. The plant can be divided every 2 to 3 years to maintain its vigour. You can also cut back the plant by half in early June to promote a sturdy clump.

Note that some varieties of Heliopsis are susceptible to powdery mildew and rust when growing conditions are not optimal. A preventive treatment against fungal diseases should be applied towards the end of winter. Subsequently, treatment should only be carried out if necessary, in case of confirmed presence of parasites on the plant, using targeted treatments whenever possible. In any case, it is important to avoid any treatment during flowering to not harm pollinating insects.

Planting period

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

Intended location

Suitable for Meadow
Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 4 per m2
Exposure Sun
Soil pH Any
Soil type Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Fertile and well-drained

Care

Pruning instructions Cut back the dried vegetation at the end of winter. Regularly remove faded flowers, as this extends the flowering period.
Pruning Pruning recommended once a year
Pruning time March, July to August
Disease resistance Good
Overwinter Can be left in the ground
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