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Coreopsis verticilla Sassy Saffron

Coreopsis verticillata SIZZLE & SPICE® 'Sassy Saffron' PP31393
Threadleaf Coreopsis, Whorled Coreopsis, Thread-leaved Tickseed, Needle Tickseed

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This Coreopsis has very bright, contrasting, large, bright yellow flowers with a mahogany centre. They flower constantly from early summer to autumn, on a well-rounded tuft of very fine leaves. Remarkably self-sufficient, this deciduous perennial thrives in the sun on slopes, borders and in pots. It makes pretty, sunny bouquets.  
Flower size
4 cm
Height at maturity
40 cm
Spread at maturity
60 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Best planting time March, September
Recommended planting time February to April, September to November
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Flowering time July to September
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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

Coreopsis verticilla Sassy Saffron (Foliage) Foliage

Flowering

Flower colour two-tone
Flowering time July to September
Inflorescence Flower head
Flower size 4 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 40 cm
Spread at maturity 60 cm
Growth rate normal

Botanical data

Genus

Coreopsis

Species

verticillata

Cultivar

SIZZLE & SPICE® 'Sassy Saffron' PP31393

Family

Asteraceae

Other common names

Threadleaf Coreopsis, Whorled Coreopsis, Thread-leaved Tickseed, Needle Tickseed

Origin

Cultivar or hybrid

Product reference18558

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.

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€14.50 Each
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€19.50

Planting period

Best planting time March, September
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Rockery, Woodland edge
Type of use Edge of border, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Any
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, draining, lightweight

Care

Pruning instructions To help your plants bloom longer and save energy, remove faded flowers during the summer. This will encourage more blooms in autumn and prevent the plant from producing seeds.
Pruning Pruning recommended once a year
Pruning time August to September
Disease resistance Very good
Overwinter Can be left in the ground

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