Sunflower Pro-Cut White Nite seeds - Helianthus annuus
Sunflower Pro-Cut White Nite seeds - Helianthus annuus
Helianthus annuus 'Pro-Cut White Nite'
Sunflower
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Description
Le Tournesol (Helianthus annuus) F1 ProCut® ‘White Nite’ offre de grandes fleurs crème à blanches rehaussées par un grand cœur brun chocolat. Elles sont très appréciées dans les bouquets contemporains et les compositions florales destinées aux mariages. Hybride F1 à tige unique, sans pollen et à floraison précoce, il produit des hampes homogènes. Une variété de qualité professionnelle, facile à semer et à cultiver au jardin.
Espèce annuelle de la famille Asteracées, l'Helianthus annuus est originaire d’Amérique du Nord. Spontanée dans les Grandes Plaines et répandue jusqu’au nord du Mexique, elle a été domestiquée par les peuples amérindiens.
Le cultivar ‘White Nite’ appartient à la série ProCut® F1 créée pour la fleur coupée : les plants sont mono tige, bien droits, les capitules sont dépourvus de pollen, de calibre régulier et leur floraison est synchrone. Il a été sélectionné et diffusé par l’obtenteur hollandais Evanthia.
La plante présente un port dressé et une croissance rapide : 8 à 11 semaines séparent le semis de la floraison. En pleine terre, elle atteint 1,50 à 1,80 m de haut ; en pot, on observe le plus souvent 1,20 à 1,50 m selon le volume du contenant. Les fleurs sont des capitules de 10 à 15 cm de diamètre, composés d'un rang de ligules assez courtes de couleur crème à blanche, entourant un disque large, brun très foncé ; elles tiennent 7 à 10 jours en vase. La floraison s'étale de juillet à septembre selon les dates du semis. Les feuilles sont larges, ovales à cordiformes, 10–25 cm, vert moyen, rêches au toucher. Les tiges sont robustes, striées, légèrement pubescentes. Le système racinaire pivotant descend en profondeur. Il confère à la plante une bonne tolérance aux périodes sèches une fois qu'elle est bien enracinée.
Utilisez ‘ProCut® White Nite’ en rideau à l'arrière des massifs ou en rangs dans le carré dédié aux fleurs à couper. Plantez dans une terre profonde, drainée et nourrie de compost. Dans une scène crème-tilleul-rose pâle, associez-le à des tabacs d'ornement Nicotiana langsdorffii 'Lemon Tree', des Reine-Marguerite 'King Size Appleblossom' et des Cosmos sulphureus 'Kiiro'.
Dans un bouquet, mariez-le aux Dahlias ‘Café au Lait’, glissez quelques Rudbeckias hirta 'Caramel Mixed' pour la profondeur. Les graminées apportent le mouvement : le Pennisetum ‘Fairy Tails’ souligne bien ses capitules crème.
Nos conseils bouquets :
Échelonnez les semis toutes les deux semaines de mai à début juillet. Coupez les tiges le matin juste après l’ouverture des fleurs. Supprimez les feuilles en partant du bas pour ne conserver que 2 ou 3 feuilles sous la fleur. Chaque jour, changez l’eau du vase.
Le tournesol, cultivé depuis plus de 4 000 ans, a été introduit en Europe au XVIᵉ siècle. Il symbolise le soleil et la fidélité ; ses jeunes capitules orientent leur croissance vers la lumière (héliotropisme), avant de se stabiliser à maturité.
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Flowering
Foliage
Plant habit
Botanical data
Helianthus
annuus
'Pro-Cut White Nite'
Asteraceae
Sunflower
Helianthus annuus Pro-Cut® F1 'White Nite'
Cultivar or hybrid
Planting and care
The sunflower 'Pro-Cut F1 White Lite' can be sown:
Either in March-April, in pots under cover, to prepare young plants that can be planted out in your borders after the last frosts.
Or from April-May to July, after the frosts, directly in position. In a sunny spot in your garden. To enjoy beautiful fresh flowers throughout the season, we recommend staggering your sowings as much as possible.
Sow your seeds in groups of 2 at a depth of 1 cm and spaced 50 cm apart. After 20 days, remove the weakest shoot to keep only one per location. The vigorous growth of the sunflower will require regular watering. When the plant has reached about 1.20 m, you can stop watering and let it make do with rainfall, even if it is scarce. Protect your sowings from snail and slug attacks, as they are fond of the young plants. Also watch out for birds when the plants emerge and for aphid appearances.
Do not pinch 'ProCut®' (single stem). Stake if the site is windy; mulch to retain moisture and limit weeds.
In a pot, allow for 20–30 litres of well-draining substrate in a container 30–40 cm wide and provide regular watering. Crop rotation and watering at the base of the plants help to limit collar diseases.
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.