Coreopsis 'Double the Sun' is a radiant perennial that illuminates garden landscapes with its cheerful, double-layered blooms and vigorous growth habit. This cultivar of Coreopsis boasts abundant golden-yellow flowers with double the number of petals, creating a stunning display reminiscent of miniature suns. The blossoms appear in profusion from late spring to autumn, providing a long-lasting burst of colour and charm. 

Coreopsis grandiflora Double the Sun (3L)

Estimated delivery between 27 -30 May

Free Standard Delivery over £150
Eco Friendly Packaging Materials.
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Product Information

  • Double-layered blooms: The golden-yellow flowers of Coreopsis 'Double the Sun' are a standout feature, with each blossom boasting double the number of petals, creating a fuller and more vibrant display. The abundant blooms provide continuous color and visual interest from late spring through the summer months.
  • Vigorous growth: 'Double the Sun' exhibits a vigorous growth habit, forming dense mounds of foliage adorned with a profusion of blossoms. Its compact form and sturdy stems make it an excellent choice for filling in gaps in garden beds or adding height and structure to container plantings.
  • Versatile use: Whether planted en masse in garden beds, used as a border plant, or featured in containers on patios and balconies, Coreopsis 'Double the Sun' adds a touch of sunshine and warmth to any outdoor setting.
  • Low maintenance: This perennial plant is relatively low maintenance and requires minimal care once established. It thrives in full sun and well-drained soil, tolerating drought and heat with ease.
  • Attracts pollinators: The nectar-rich flowers of 'Double the Sun' attract pollinators such as bees and butterflies, contributing to the ecological diversity of the garden and promoting a healthy ecosystem.
  • Long-lasting blooms: 'Double the Sun' continues to bloom prolifically from late spring through the summer months, providing colour and visual interest for an extended period. Deadheading spent flowers can encourage additional blooming.

Delivery Options

Delivery information for UK Mainland Deliveries: 

Our cost for Standard Delivery is £5.99. This price is the same regardless of how many items you purchase! If you spend £150.00 or above, Standard Delivery is free. Standard Delivery takes 2-6 Working Days.  

Next Working Delivery is £9.99. Please place your order by 2pm Monday – Thursday. Please note deliveries are carried out by a third party couriertherefore, we cannot guarantee our Next Day Delivery Service. During very busy periods, Next Working Day delivery may be temporarily unavailable. 

Postcode and delivery exclusions apply.  


This plant is a herbaceous perennial. Herbaceous perennials die back below ground level each autumn, then fresh new growth will appear in the spring. Cut this plant back after flowering. To help protect the roots from frost it is advised to add a thick layer of mulch. Cut back faded flowers in autumn

Images are used for illustrative purposes only. Due to the maturity of the plant and the time of the year, plants may not arrive looking like our images. 

50cm x 50cm
Full Sun
Well drained, fertile

Frequently Asked Questions

If you order by 2:00pm Monday - Thursday (Excluding Bank Holidays) and select 'Next Working Day Delivery' we aim to deliver your order on the Next Working Day.

If you select Standard Delivery you will receive your order in 2-5 Working Days from the day your order was placed.

95% of the plants we have in stock on our website can be planted 365 days a year providing the ground is not frozen or waterlogged at time of planting.

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We take the upmost care in selecting and packaging our plants to dispatch.

If you are not 100% happy with your order, please let us know. Ensure that you please return your order back to us within 28 days and we can either issue a refund or send out replacements!

Of course, please contact us on 01706 881 422 to talk to a member of our friendly team.

We do now allow collections under any circumstances, however with our Next Working Day Delivery you can receive your order the very next day* !