How to plant and grow cosmos
Even if you only have a tiny garden – or just some pots – you have to grow at least one cosmos. They are the lowest maintenance,...
10 seedlings 190579-10 | £12.50 |
Delivery mid April
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When in stock, please allow up to 4-6 weeks for despatch.
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20 seedlings 190579-20 | £20.95 |
Delivery mid April
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When in stock, please allow up to 4-6 weeks for despatch.
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10 jumbo seedlings 190579-SP10 | £15.95 |
Delivery mid May
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When in stock, please allow up to 4-6 weeks for despatch.
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A pretty, soft mix of primrose yellow and pure white cosmos. Both are compact growers so ideal for flowery, long-performing containers and cut flower bunches from a small space.
This collection includes 5 or 10 seedlings, or 5 jumbo seedlings each of:Common Name | Cosmos |
Border Position | Cutting Garden |
Soil Type | Broad Tolerance |
Scent | Unscented |
Site | Full Sun |
Moisture | Moist but Well-drained |
Height | 60cm (24in) |
Spacing | 45cm (18in) |
Sowing, Seeds, Planting | Grow seedlings on in individual pots or modules until large enough to plant out. Gradually acclimatise to outdoor conditions for 7-10 days before transplanting into the garden after all risk of frost has passed. |
Care Tips | Pinch out tips at 15-20cm to encourage bushier plants. Stake and tie Cosmos plants if necessary during the growing season, water regularly and dead-head to prolong the flowering season. |
Flowering | July - October |
Vase Life | Last 7-10 days, no conditioning needed. Pick fresh straight into water, just as the buds are about to bloom, and do not pick in the heat of the day. Deadhead the main blooms that are drooping and going over after about a week. Place out of direct sunlight. |
Harvesting | Flower production 4-5 months |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Even if you only have a tiny garden – or just some pots – you have to grow at least one cosmos. They are the lowest maintenance,...
In this video, Sarah shows you how to put together a lovely roadside-inspired Cosmos 'Purity' flower arrangement.
Plant Delivery - When in stock, please allow up to 4-6 weeks for despatch.
Click here to find out more information about our delivery rates and times.
Antique Ivory Cosmos Collection reviews
Reviewed 28th April 2020 by Camilla Good seedlings which seem to be thriving |
Reviewed 1st August 2019 by Chris
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Reviewed 31st July 2019 by Shirley Only just begun to look good |
Reviewed 31st July 2019 by Tricia I am thrilled with the quality of the plants and was so impressed with the packaging they came in. |
Reviewed 31st July 2019 by Jane The Ivory cosmos was good. I also purchased your container selection x2. This was not so good, the petunias are lovely but the saliva and cosmos never really came through. |
Reviewed 7th November 2018 by Patricia Quality products and prompt service, with regular advice newsletters |
Reviewed 7th November 2018 by Elizabeth Wonderful plants and they grew beautifully! |
Reviewed 7th November 2018 by Janet All came out well in June and flowers throughout the summmer. |
Reviewed 14th September 2018 by Sue
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Reviewed 12th September 2018 by Sally Flowers rather sparse, and leggy, this year, not a patch on the year before. could be to do with the drought But they were watered very frequently. And didn’t pick well. |
Reviewed 12th September 2018 by Annie Have flowered all summer great colour |
Beautiful white flowers all summer
Reviewed 6th September 2018 by Vera clancy Easy to grow looked amazing so pleased |
Reviewed 4th September 2018 by Anne Loads of flowers and lasted well |
Disappointing
Reviewed 29th June 2018 by Louise Bage I had great hopes for this collection but they are spindly and slow growing despite fantastic conditions. Reply from the Sarah Raven Team:"Thank you for taking time to review our site. We are sorry to hear of your disappointment with your collection and hope that they have now improved and are growing normally for you. If we can help you in any way please do contact our customer service team at info@sarahraven.com or by calling 0345 092 0283 and our team will assist you further. Posted 6th July 2018 |