Coreopsis Incredible Swirl flowers on a white background
A close-up macro view of Incredible Swirl Coreopsis.
A trio of Incredible Swirl Coreopsis blooms on dark blue background.
Incredible Swirl Coreopsis arranged on a patina background.
An Incredible Swirl Coreopsis flowers blooms with buds in the gardens at Baker Creek.
A close-up of several Incredible Swirl Coreopsis flowers.
Incredible Swirl Coreopsis growing in the gardens at Baker Creek.
Coreopsis Incredible Swirl flowers on a white background
A close-up macro view of Incredible Swirl Coreopsis.
A trio of Incredible Swirl Coreopsis blooms on dark blue background.
Incredible Swirl Coreopsis arranged on a patina background.
An Incredible Swirl Coreopsis flowers blooms with buds in the gardens at Baker Creek.
A close-up of several Incredible Swirl Coreopsis flowers.
Incredible Swirl Coreopsis growing in the gardens at Baker Creek.

Coreopsis Seeds,
Incredible Swirl

4.910 ReviewsSKU: #WF151Min. seed count: 200
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Description

(Coreopsis x hybrida). This dizzying explosion of bold little blooms will completely transform your design or landscape—it is a show stopper! The small but mighty flowers are just 1 inch across, but the maroon petals dipped in lemon cream make them pop, floating atop long, wiry stems. This half hardy annual creates clouds of color that gently sway in the breeze; plants reach 3 feet tall. This plant is constantly humming with beneficial insects, from small native bees to bumbles and butterflies. It starts flowering in late spring, and when deadheaded will remain flawless and floriferous until fall! Self sows.

Growing Tips: Incredible Swirl coreopsis is an heirloom flower that thrives in full sun and tolerates heat and drought. There is no need to fertilize these plants, as this can even reduce blooms. Coreopsis is a member of the daisy family and is beloved for its ability to attract bees, butterflies, and other beneficial pollinators.

Plant Details

Botanical Name
Coreopsis x hybrida
Life Cycle
Half-Hardy Annual
Sun Requirement
8–12 hr.
Days to Germinate
10–21
Days to Maturity
60–90
Planting Depth
Surface sow
Plant Spacing
10 in.
Ideal Temperature
55–75°F
Frost Hardy
Yes

When to Grow

Incredible Swirl coreopsis should be planted in warm weather after the last frost. Start seeds 6-8 weeks before your region's last expected frost date. Maintain a soil temperature of around 70 F for germination. Alternatively, you can direct sow seeds in late spring when the soil has warmed and the danger of frost has passed. Learn more about your region's frost dates by checking out our blog post, 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Sow the seeds directly on the surface of the soil, as they need light for germination. Lightly press them into the soil but avoid covering them. Indoors, use a seed-starting tray or small pots with a well-draining seed-starting mix. Outdoors, prepare a well-draining garden bed in a sunny spot. Keep the soil moist during germination. Be sure to harden off seedlings and ensure they are well-established before transplanting. Space seedlings about 10 inches apart.

How to Grow

Coreopsis thrives in full sun with at least 8-12 hours of sunlight per day. It grows best in well-drained, sandy or loamy soils but will tolerate poor soil conditions. Avoid waterlogged areas, as coreopsis does not tolerate standing water. Once established, coreopsis is drought-tolerant and requires minimal watering. Cutting back burned-out plants will create another flush of blooms. Avoid over-fertilizing, as this can lead to excessive foliage growth and fewer flowers.

How to Save Seeds

  • Coreopsis are insect-pollinated and there may be some crossing between varieties in the garden. You can enjoy the mixing or use caging techniques and hand pollination to avoid crossing.
  • Saving seed from coreopsis is easy: simply allow the heads to brown and dry on plants and collect seeds. Store in a cool, dry, dark place over winter.

FAQ

Is Incredible Swirl coreopsis deer-resistant?

Yes, deer generally avoid Coreopsis due to its slightly bitter foliage.

Can I grow Incredible Swirl coreopsis in containers?

Yes, coreopsis grows well in containers with proper drainage. Choose a sunny location for best results.

How long will Incredible Swirl coreopsis bloom?

Coreopsis blooms from early summer through fall, with deadheading and light pruning encouraging continuous flowering.

Browse our full range of coreopsis seeds.

Customer reviews

4.9 / 5 10 Reviews

What gardeners are saying

  • Striking two-tone: Half white, half dark burgundy; a unique look in the bed.

  • Easy from seed: Good germination from winter sowing or indoor starts.

  • Blooms a long time: Prolific once going and still blooming in September.

  • Good filler: Airy filler among sturdier plants; tall stalks may need support.

  • Slow to start: Sits small for weeks, then shoots up when weather warms.

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