Tickseed Coreopsis grandiflora 'Sunray' 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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Coreopsis grandiflora 'Sunray' Can be planted now
Careful and fast delivery throughout the United Kingdom

Benefits according to our specialist

Plantable year-round
Low maintenance
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Coreopsis (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
June, July, August, September

Leaf colour
Yellow

Possibilities
Border, Group planting

Soil type
All soil types, well-drained

Positioning
Sun

Winter hardiness
-15,0°C / -9,4°C, USDA zone 7b/8a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
No

Leaf colour
Green

Fragrant plants
Yes

Growth habit
Upright to bushy growth habit

Height at time of delivery excluding pot/clod
5-10

Mature height (cm)
50

Art. no.
1000269

Description

Coreopsis grandiflora 'Sunray' | Tickseed

Coreopsis grandiflora 'Sunray', commonly known as tickseed, is a perennial plant that captures the essence of summer with its vibrant yellow blooms. This delightful species is a beacon of brightness in any garden, attracting pollinators and bringing joy to gardeners and onlookers alike.

The 'Sunray' tickseed is a testament to the beauty and resilience of native North American wildflowers, offering a long flowering season and a fragrance that adds an extra layer of enjoyment to its presence.

Key Features

The Coreopsis grandiflora 'Sunray' boasts several traits that make it an excellent choice for gardeners seeking to create a lively and colorful border or group planting:

The species thrives in full sun and is suitable for all well-drained soil types, providing flexibility in garden design.
Its upright to bushy growth habit and ultimate height of 50 cm (20 inches) make it an ideal choice for middle-border placements.
The plant is known for its fragrant yellow flowers that bloom from June through September.
While not evergreen, the 'Sunray' exhibits lush green foliage throughout the spring and summer months.

Tips

To ensure the health and vigor of Coreopsis grandiflora 'Sunray', regular deadheading of spent flowers is recommended. This will encourage additional blooming and maintain the neat appearance of the plant.
Although the tickseed has average water needs, be mindful during prolonged dry periods and provide additional watering to keep the soil moist.
For propagation, collect seeds from the plant after flowering and sow them in a well-prepared seedbed. This is an economical way to expand your collection or share with fellow gardening enthusiasts.

Ideal placement of a Coreopsis grandiflora 'Sunray'

Coreopsis grandiflora 'Sunray' flourishes best in locations that receive full sun exposure. The vibrant yellow blooms and lush green foliage achieve their optimal beauty when basked in ample sunlight throughout the day. While this species is adaptable to various soil conditions, it is imperative to ensure that the soil is well-drained to support its growth and health. Inadequate drainage can be detrimental to the plant, so selecting a site with natural or enhanced drainage capabilities is essential for this sun-loving cultivar to thrive.

How do I plant a Coreopsis grandiflora 'Sunray'?

Plant Coreopsis grandiflora 'Sunray' in a location that receives full sunlight to promote optimal flowering. This species thrives in various soil types, provided the ground is well-drained. A pot-grown specimen can be transplanted into the garden, ensuring the root ball is level with the soil surface. Space the plants approximately 30 to 40 cm apart to accommodate their bushy growth habit and eventual spread. After planting, water the plants evenly to establish roots. Regular watering is necessary, especially during dry spells, to maintain its vibrant blooms and lush green foliage throughout its flowering months.

Pruning a Coreopsis grandiflora 'Sunray'

For Coreopsis grandiflora 'Sunray', regular deadheading is key to maintaining its visual appeal and encouraging a longer blooming period. As the vibrant yellow flowers begin to fade, promptly remove them. This not only enhances the plant's neatness but also stimulates further growth and blooming into the late summer months. To perform this task, simply snip off the spent blooms at their stem base. Moreover, in the late autumn, after the flowering season has concluded, cut back the foliage to prepare the plant for its dormant phase.

Watering a Coreopsis grandiflora 'Sunray'

Coreopsis grandiflora 'Sunray' thrives with consistent moisture, particularly when temperatures climb during the summer months. To maintain its vibrant display and support its upright to bushy growth, it is advisable to water the plant deeply and infrequently, which encourages a robust root system. When watering, aim for the base of the plant to avoid wetting the foliage, as this practice helps to keep the leaves dry and healthy. Regular watering is particularly crucial as the plant establishes itself, but once settled, it can tolerate short periods of dryness. However, avoid letting the soil dry out completely.

Fertilising a Coreopsis grandiflora 'Sunray'

To ensure the vibrant yellow blooms of Coreopsis grandiflora 'Sunray' appear in abundance, a well-timed fertilization regime is key. Apply a balanced, slow-release fertilizer in early spring as new growth emerges, providing a consistent supply of nutrients throughout the peak growing season. A second application, halfway through the flowering period, can invigorate the plant further, encouraging an extended display of its fragrant blossoms. As this species thrives in well-drained soil and full sun, ensure the fertilizer is worked into the soil around the base of the plant to prevent runoff and maximize absorption. Regular feeding, paired with its sunny placement, will aid in sustaining the upright, bushy habit and the lush greenery that serves as a backdrop to the summer-long floral show.

The characteristics of a Coreopsis grandiflora 'Sunray'

To cultivate the Coreopsis grandiflora 'Sunray' to its full potential, consider its affinity for well-drained soil—this ensures optimal growth and bloom health. This vibrant species thrives in full sun, revealing a more vivid display of its golden-yellow petals. Its clumping growth habit makes it a superb choice for borders or as a cheerful ground cover. Moreover, deadheading spent flowers can encourage a more prolific and extended flowering period, enhancing your garden with continuous summer color.

Separating/dividing a Coreopsis grandiflora 'Sunray'

Dividing Coreopsis grandiflora 'Sunray' is an effective way to rejuvenate and propagate the plant, ensuring its continued health and vibrant display. Ideally, this should be undertaken in the spring or autumn months. The process begins by carefully lifting the plant from the soil, then gently separating it into smaller clumps. Each clump should have a good portion of roots and shoots. Replant these divisions promptly, spacing them adequately to accommodate the upright to bushy growth habit. This division allows gardeners to spread the joy of tickseed's fragrant, sunny blooms across the garden or share with fellow enthusiasts.

What will be the height of Coreopsis grandiflora 'Sunray'?

Coreopsis grandiflora 'Sunray' typically grows to a height ranging from 10 to 50 centimeters.

What will be the width of Coreopsis grandiflora 'Sunray'?

Coreopsis grandiflora 'Sunray' will reach a final spread ranging from 10 centimeters to 50 centimeters.

Which soil type is most suitable for the Coreopsis grandiflora 'Sunray'?

Coreopsis grandiflora 'Sunray' is adaptable to various soil types but thrives best in well-drained soil. Ensuring proper drainage allows the plant to establish healthy root systems and overall robust growth.

What is the ideal positioning for the Coreopsis grandiflora 'Sunray'?

The ideal location for Coreopsis grandiflora 'Sunray' is in an area that receives ample sunlight. This plant thrives best when placed in a sunny spot, allowing it to flourish and showcase its vibrant blooms.

What is the flowering colour of the Coreopsis grandiflora 'Sunray'?

The blossoms of Coreopsis grandiflora 'Sunray' are a radiant yellow, adding a vibrant touch to the plant's appearance.

Is the Coreopsis grandiflora 'Sunray' hardy?

Yes, Coreopsis grandiflora 'Sunray' is considered winter hardy. It can endure temperatures as low as -15.0°C to -9.4°C, falling within the USDA hardiness zones 7b to 8a. Therefore, this plant is well-suited to withstand the winter conditions in regions corresponding to these hardiness zones.

Is the Coreopsis grandiflora 'Sunray' evergreen?

Coreopsis grandiflora 'Sunray' is not an evergreen plant. It is a deciduous plant, which means it sheds its leaves seasonally, usually in the autumn, and then regrows new foliage in the spring.

What is the growth strength of the Coreopsis grandiflora 'Sunray'?

The growth rate of Coreopsis grandiflora 'Sunray' is relatively fast, with the plant reaching its ultimate height within one to two years. This speedy growth makes it an efficient choice for those seeking a rapidly-developing and vibrant addition to their garden.

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