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Sunflower Floristan seeds - Helianthus annuus

Helianthus annuus Floristan
Sunflower

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The 'Floristan' is a vigorous, ramified annual sunflower reaching up to 1.25 m in height, visually similar to the 'Florenza' but slightly more slender and with more contrasting colours. It produces 13-14 cm bicolour flowers with a dark brown centre, surrounded by red-brown petals tipped with yellow. Easy to grow, melliferous and highly ornamental, it makes a striking impact in summer borders and is ideal for creating beautiful rustic cut flower arrangements. Sow indoors from March.
Flower size
13 cm
Height at maturity
1.20 m
Exposure
Sun
Germination time (days)
18 days
Sowing method
Direct sowing, Sowing under cover
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Sowing period March to May
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Flowering time July to October
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Description

The 'Floristan' sunflower is a tall, ramified variety of Helianthus annuus developed for cut flowers. Its bicolour flowers are formed of numerous petals of very dark red tipped with yellow around a chocolate-brown centre. The well-branched plant, with strong stems, produces numerous flowers per plant. It is an annual plant easy to sow and to grow in the sun, in all types of well-drained soil. Invite it into your ornamental garden and vegetable patch.

Helianthus annuus is the sunflower cultivated for its oil-rich seeds. This large annual plant from the Asteraceae family has been domesticated by humans for a very long time. It is native to the American continent.

The 'Floristan' sunflower is an ornamental cultivar developed by the German botanical house Benary. The plant has an annual life cycle, completing its development—from germination to seed production—in a single season. This variety produces inflorescences in heads of 12 to 15 cm in diameter which display dark brown-red ligules, finely edged with golden yellow turning cream, and an almost black heart. The inflorescences are borne on strong, upright, and ramified stems, reaching 1.20 m in height or even more in very rich soil. The habit is erect, well-balanced, with good wind resistance thanks to a taproot system that ensures anchorage and drought tolerance. Under optimal conditions, flowering begins 11 to 12 weeks after sowing.
The leaves are simple, alternate, sometimes opposite at the base, cordate to ovate in shape, with dentate edges and a rough texture to the touch. They measure between 10 and 20 cm long and display a medium green colour. The stems are slightly pubescent, sometimes striate, hollow, but robust. Flowering extends from July to September or even October depending on conditions. Pollination is very favourable to bees and other pollinators. The fruits in the form of ovoid achenes of 8 to 12 mm, ripen in late summer and attract birds and small mammals.

The 'Floristan' Sunflower is used in borders or in the vegetable garden, in the sun, in any rich and not too dry soil. It is an easy flower to grow, ideal for introducing children to gardening. Although annual, it has a strong presence, appreciated in cottage gardens. You can pair it with the vertical elegance of a Lupin 'The Governor', with its blue spikes, or with the casual appearance of Love-Lies-Bleeding 'Coral Fountain', with its long trailing inflorescences. Also mix it with the silver spikes of Stachys byzantina 'Silver Carpet', which will surround the display with softness and light.

Before flowering, the plant optimises its growth by following the direction of the sun. This phenomenon called heliotropism has given rise to some of its common names: Heliotrope, Tournesol, Sunflower, Garden Sun...

The sunflower in cooking: The buds, petals, and seeds are edible. Add a few petals to a green salad for colour contrast and their nutty flavour. The green buds can be blanched, then tossed in garlic butter. Their flavour is then close to that of a Jerusalem artichoke. The seed kernel can be eaten raw or roasted.

An ecological asset: All summer long, the melliferous flowers of Sunflowers will attract pollinating insects and butterflies to your garden. A great way to improve the ecosystem and promote the production of fruit and vegetables in your vegetable patch. 
The oil-rich seeds are particularly appreciated by birds (Parrots, Tits, Doves, Goldfinches, Siskins, Nuthatches, Finches…). At the end of flowering, harvest them to make some creatures happy during the winter scarcity.

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Sunflower: sowing, planting, care
Family sheet
by Virginie T. 15 min.
Sunflower: sowing, planting, care
Read article

Flowering

Flower colour two-tone
Flowering time July to October
Inflorescence Flower head
Flower size 13 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Annual
Foliage colour medium green

Plant habit

Height at maturity 1.20 m
Spread at maturity 50 cm
Growth rate very fast

Botanical data

Genus

Helianthus

Species

annuus

Cultivar

Floristan

Family

Asteraceae

Other common names

Sunflower

Botanical synonyms

Helianthus jaegeri, Helianthus annuus var. macrocarpus, Helianthus annuus subsp. jaegeri, Helianthus annuus unranked lenticularis

Origin

Cultivar or hybrid

Product reference24524

Planting and care

Sow the 'Floristan' Sunflower in a small pot from March to May. Use good quality compost which you will sieve on the surface to properly bind the seed to its substrate. Before sowing, lightly firm the compost using a small board. Place 2 seeds 10 cm apart in each pot. Cover the seeds by sprinkling compost or vermiculite on top, lightly firm and water generously with a fine spray. Place your pots in the light, without direct sunlight, at a temperature of 20°C to 25°C. Lower the temperature at night to 17°C to create a beneficial alternation for germination.

Seed germination will take approximately 21 days. Keep the compost moist, but not excessively so during growth. 15 days before their final planting out, begin to acclimatise them gradually to a temperature of 15°C.

In late May or early June, the temperature in the garden will be warm enough to plant out your young plants. Choose a location with plenty of sun. Add a good spadeful of compost to each planting hole. Space your plants 45 cm apart.

Sowings made in May can be done directly in their final position. By staggering your sowing, you will extend the flowering period until autumn.

Protect your seedlings from snails and slugs which are fond of these young plants. By sowing chives near your sunflowers, you will deter aphids that might be tempted to settle there.

 

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Sowing period

Sowing period March to May
Sowing method Direct sowing, Sowing under cover
Germination time (days) 18 days

Intended location

Suitable for Meadow
Type of use Border, Back of border, Vegetable garden
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Well-drained, fertile soil.

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