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Description
- An early bloomer with vibrant yellow daisy-like flowers
- Popular with pollinators
- Compact plants, ideal for containers
- Ideal for cutting
Coreopsis grandiflora 'Double the Sun' flowers throughout summer, showing off big, golden-yellow semi-double flowers on a compact mound of foliage. This low-maintenance perennial will bring colour to a container or the front of a border and looks super lining a path. The bright flowers are very popular with butterflies and bees, and make beautiful cut flowers.
Sow indoors
Sow in trays of pre-watered seed compost and cover lightly with a little soil or vermiculite. Keep at 20-25°C and allow 3-4 weeks for germination. Do not exclude light.
Grow on
When large enough to handle transplant into trays of potting compost 5cm apart, or individually into 8cm pots.
Plant out
Gradually accustom plants to outside conditions for 2-3 weeks before planting out when the danger of frost has passed. Allow approximately 35cm between plants. Coreopsis thrives best in full sun. In the garden, plant in any well-drained soil. Use a good quality potting compost if planting in containers. Deadhead regularly to prolong flowering.
Video
Growing Calendar
Delivery
We know how important your garden is to you. We've listened to our customers and introduced a new improved speedy delivery service, meaning Express delivery comes as standard.
*Orders to Northern Ireland have an automatic additional £3.00 delivery surcharge applied at checkout.
| Order Type | Delivery Charge | Delivery Charge |
| Seed only order | £2.49 | If you purchase any other items you'll be charged the standard delivery rate of £5.99 |
| Plants, bulbs & gardening accessories | £5.99 | If we need to split your order into separate deliveries we'll only charge one delivery fee |
| Extra large or long plants & heavy items | £9.99 | These are clearly displayed at check-out |
| Compost (and any other large or heavy items) | £5.99 | These items are subject to a delivery multiplier where orders containing 3 or 4 items will be subject to an additional £5.99 for every further 2 items added. This is automatically applied at check-out:
If you'd like more than 10 bags of compost please call our Customer Service team who can arrange for a bespoke competitive quote on 01480 774555 (standard network charges apply) |
For more detail on specific delivery queries and compost delivery please click here
Delivery to outside of Great Britain
We regret we are unable to deliver any items outside of some Great Britain delivery addresses. This includes Europe, Channel Islands, Republic of Ireland, USA and Rest of World. We will update our website if this changes.
We now deliver to Northern Ireland, additional delivery surcharges automatically apply at checkout.
For more information about our deliveries please click here.