Coreopsis verticilla Sassy Saffron
Coreopsis verticilla Sassy Saffron
Coreopsis verticillata SIZZLE & SPICE® 'Sassy Saffron' PP31393
Threadleaf Coreopsis, Whorled Coreopsis, Thread-leaved Tickseed, Needle Tickseed
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Description
The Coreopsis verticillata 'Sassy Saffron', also known as Whorled Tickseed, from the 'Sizzle & Spice' collection, blooms abundantly throughout the summer on very fine, needle-like, green-grey foliage forming a well-rounded and neat shrub. Its large, star-shaped, bicoloured flowers are a bright lemon yellow, contrasted with a dark mahogany colour, infused near the central disk. Its undemanding nature and love for the sun make it suitable for well-exposed slopes and challenging conditions. It is also a disease-resistant variety, remarkable in potted plants and bouquets.
The Coreopsis verticillata belongs to the Asteraceae family. It is native to the plains of Central America, Mexico, and the southeastern United States. 'Sassy Saffron' is a cultivar selected by Walters Gardens in the United States. This deciduous, rhizomatous herbaceous perennial, with a woody base, has a spreading habit, highly branched, compact, and particularly rounded. It reaches a height of 40 cm (16in) with a spread of 60 cm (24in) at maturity. The flowering period extends from July to September. The pale yellow, 4 cm (2in) in diameter, flowers open from rounded buds and are arranged in whorls of 3 along the slender stems. The 8 outer ligules, wide and broad, form a lemon-yellow and mahogany-brown edge surrounding a red-brown centre. The foliage, dark green and deciduous, consists of leaves 6 cm (2in) long, finely divided into linear leaflets. The plant slowly spreads through a tangle of slender, non-trailing rhizomes.
The Coreopsis verticillata 'Sassy Saffron' is a perennial with multiple uses. It thrives in a rock garden with carnations, yarrow, sneezeweed, or in a herbaceous border alongside Teucrium chamaedrys or x lucidrys, thyme, and cotton-lavender. In a pot or container, this plant blooms continuously from the first year. For a beautiful summer display, it can be paired with calamint and catmint whether in the ground or in a large pot, requiring very little water.. It is also a lovely flower for summer bouquets, bringing a little taste of sunshine indoors.
Coreopsis verticilla Sassy Saffron in pictures
Flowering
Foliage
Plant habit
Botanical data
Coreopsis
verticillata
SIZZLE & SPICE® 'Sassy Saffron' PP31393
Asteraceae
Threadleaf Coreopsis, Whorled Coreopsis, Thread-leaved Tickseed, Needle Tickseed
Cultivar or hybrid
Planting and care
Perennial coreopsis are sensitive to winter moisture and heavy soils. These plants require full sun, even intense sun, to flower well. They prefer fresh to dry, light, porous, gravelly or sandy soil, always very well-drained, slightly acidic, neutral, and slightly limey, even if it is poor. They will also adapt well to humus-rich and fresh soil, provided the drainage is perfect. When these plants grow in these conditions, they bloom for a long time. To encourage them to bloom again, it's best to remove the flowers that have faded, especially towards the end of August. This will help them grow and bloom better.
Planting period
Intended location
Care
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).
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.
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