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Achillea 'Cassis' - Seeds



Catalogue Code: 30210968

Sale price

In stock

Regular price £3.79
Achillea ‘Cassis’ produces plentiful stems bearing flattened flowerheads of intense cerise-red above feathery green leaves. Very popular with pollinators and makes an excellent cut flower.

Key Features

  • Good for cutting
  • Hardy perennial

Pack Contents: 60 seeds


  • Many stems with cerise-red flowerheads
  • Dark green feathery foliage
  • Very popular with pollinators
  • Excellent cut flower

Achillea ‘Cassis’ produces plentiful stems bearing flattened flowerheads of intense cerise-red above feathery green leaves. It flowers from its first year of sowing, and has a long flowering period all through summer. Very popular with pollinators and an excellent cut flower.

Sow indoors

February-July: Sow 0.5cm (1⁄4in) deep in seed trays in a greenhouse or cold frame. Keep soil moist at all times.

Sow outdoors

September-October: Sow 0.5cm (1⁄4in) deep in a seed bed Keep soil moist until established.

Plant out

June: Plant out into the permanent position 30cm (12in) apart.


Cut back faded flowerstems to encourage a second flush of flowers in late summer. Lift and divide every 2-3 years.

Growing Calendar

J Jan F Feb M Mar A Apr M May J June J Jul A Aug S Sep O Oct N Nov D Dec
Sow Indoors
Sow Outdoors


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 TypeDelivery ChargeDelivery Charge
Seed only order£2.49If you purchase any other items you'll be charged the standard delivery rate of £5.99
Plants, bulbs & gardening accessories£5.99If we need to split your order into separate deliveries we'll only charge one delivery fee
Extra large or long plants & heavy items£9.99These 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:

  • 1 - 2 bags £5.99
  • 3 - 4 bags £11.98
  • 5 - 6 bags £17.97
  • 7 - 8 bags £23.96
  • 9 - 10 bags £29.95

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. 

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