Sunflower Pro-Cut Orange Excel seeds - Helianthus annuus
Sunflower Pro-Cut Orange Excel seeds - Helianthus annuus
Helianthus annuus 'Pro-Cut Orange Excel'
Sunflower
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Description
Le Tournesol Pro-Cut® F1 ‘Orange Excel’ (Helianthus annuus) offre des fleurs orange à cœur brun, bien orientées vers le haut, portées par de longues tiges non ramifiées. C'est une variété sans pollen, idéale pour les bouquets. Capable de fleurir rapidement, après seulement 7 semaines de culture, ce cultivar réussit aussi bien planté en rangs dans le potager qu’en larges taches au jardin ou dans de grands bacs exposés en plein soleil.
L'Helianthus annuus ‘Orange Excel’ est un hybride F1 de la série Pro-Cut®, créée pour la fleur coupée par le sélectionneur américain Tom Heaton. Le semis donne des plantes à tige unique, sans pollen, à floraison hâtive et calibrée ; comparé aux variétés proches comme ‘Pro-Cut Orange’, ce cultivar fleurit quelques jours plus tôt et sa fleur reste bien offerte au regard.
La plante développe une tige droite non ramifiée si l’on évite le pincement ; en sol profond et au soleil, elle atteint 1,50 à 1,80 m de haut, mais plutôt 1,20 m à 1,50 m cultivée en grand bac. La tige porte un capitule terminal de 10 à 15 cm de diamètre. Ce capitule montre des pétales orange foncé superposés et un cœur presque noir. La floraison intervient 50 à 55 jours après semis, de juillet à septembre selon la date de mise en culture ; les tiges sont longues, cylindriques et fermes. La fructification reste limitée en l’absence de source de pollen ; à proximité d’autres tournesols fertiles, on peut récolter des akènes comestibles en fin d’été.
Le feuillage est composé de grandes feuilles ovales à cordiformes, vert moyen et rudes au toucher. Le système racinaire développe un pivot puissant, épaulé par un réseau latéral efficace qui explique la bonne tenue de la plante face à la chaleur et à une sécheresse modérée.
Installez ‘Orange Excel’ à l'arrière des massifs ou en rangs dédiés à la coupe, puis plantez devant lui d'autres fleurs, en étages. Les teintes abricot, cuivre et vieux rose mettent bien en valeur ses capitules orange : essayez le Zinnia ‘Queen Pure Orange’, le Cosmos sulphureus ‘Mandarin’, l'amarante ‘Hot Biscuits’ et le Pennisetum glaucum ‘Purple Majesty’. En sol drainé et en plein soleil, semez ou plantez serré (25–30 cm) pour un effet de masse. Respectez un espacement de 40–50 cm entre les tournesols pour obtenir de belles têtes à couper.
En pots : mettez une seule plante par bac de 40 cm, entourez-la de zinnias nains et de Gomphrena globosa ‘Salmon Pastel’.
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.
Helianthus annuus est une plante annuelle de la famille des Astéracées. Le nom Helianthus associe hélios (soleil) et anthos (fleur), tandis qu'annuus rappelle son cycle annuel. Originaire des grandes plaines d’Amérique du Nord, naturalisé ensuite en Europe dès le XVIᵉ siècle, le tournesol a été domestiqué par les peuples autochtones pour l’alimentation et l’huile.
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Flowering
Foliage
Plant habit
Botanical data
Helianthus
annuus
'Pro-Cut Orange Excel'
Asteraceae
Sunflower
Helianthus annuus Pro-Cut® F1 'Orange Excel'
Cultivar or hybrid
Planting and care
Pro-Cut F1 Orange Excel Sunflower 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 to June, 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 strong 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 these young plants.
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).
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 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.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.