

Sunflower Floristan seeds - Helianthus annuus
Sunflower Floristan seeds - Helianthus annuus
Helianthus annuus Floristan
Sunflower
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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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Flowering
Foliage
Plant habit
Botanical data
Helianthus
annuus
Floristan
Asteraceae
Sunflower
Helianthus jaegeri, Helianthus annuus var. macrocarpus, Helianthus annuus subsp. jaegeri, Helianthus annuus unranked lenticularis
Cultivar or hybrid
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.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).

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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.