Annual flowers – create summer colour
Create summer colour with these unbeatable annual flowers. Sarah's absolute favourites for reliability and colour.
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Cosmos 'Sonata White'
Cosmos 'Sonata White' is a slightly smaller form of white cosmos, just like our bestselling 'Purity' but bred to be ideal for pots. More
| 5 seedlings 190198-5 | £6.25 |
Delivery early April
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When in stock, please allow up to 2 weeks for delivery.
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| 10 seedlings 190198-10 | £10.95 |
Delivery early April
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When in stock, please allow up to 2 weeks for delivery.
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| 15 seedlings 190198-15 | £15.50 |
Delivery early April
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When in stock, please allow up to 2 weeks for delivery.
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| 5 jumbo seedlings 190198-SP05 | £9.50 |
Delivery early May
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When in stock, please allow up to 2 weeks for delivery.
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Or buy this as part of our White Pot Collection.
More Details
Cosmos 'Sonata White' is a slightly smaller form of white cosmos, just like our bestselling 'Purity' but bred to be ideal for pots.
| Genus | Cosmos |
| Variety | Sonata White |
| Type | Half-Hardy Annual |
| Border Position | Front |
| Soil Type | Chalky, Neutral |
| Scent | Unscented |
| Site | Full Sun |
| Height | 45cm (18in) |
| Spacing | 40cm (16in) |
| Care Tips | Pinch out tips to encourage bushier plants. May need staking. |
| 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. |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Sow Under Cover/Plant Indoors
- Direct Sow/Plant Outdoors
- Flowers/Harvest
Advice & Videos
Annual flowers for pots
If you want beautiful flowers for your pots this summer these are my top favourite annual flowers to grow.
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,...
Direct sowing seeds
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How to get summer colours in an autumn garden
For an abundant autumn, plant smart and you’ll be enjoying beautiful flowers for months.
Delivery
Plant Delivery - When in stock, please allow up to 2 weeks for delivery.
Click here to find out more information about our delivery rates and times.
Cosmos 'Sonata White' reviews
Average based on 61 reviews
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Reviewed 9th September 2019 by Bev I was not sure what to expect when I planted them in a large planter. Some had buds and some had nothing happening but they have been amazing and given me lovely flowers all summer in my little patio garden and are even flowering now as autumn approaches. I kept deadheading and the flowers kept coming. My neighbours loved them so much they bought their own. They also attracted loads of bees which is fab. |
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Reviewed 7th August 2019 by Mrs Longman No complaints. These have been quite pretty planted in pots and on border |
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Reviewed 7th August 2019 by Jane prone to mildew if not in full sun |
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Reviewed 5th August 2019 by Claude Excellent seedlings which have grown into strong plants, very compact, perfect for pots. Masses of beautiful flowers attracting lots of bees. Fun to deadhead and do not flop in the rain. |
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Reviewed 1st August 2019 by Pauline Good service and quality. |
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Reviewed 1st August 2019 by Mrs Charlwood Not what I expected. Poor plants arrived in March - expected in April. |
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Reviewed 31st July 2019 by Irene they grew quite small flowers but as shown in picture. |
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Reviewed 31st July 2019 by Vicki |
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Reviewed 31st July 2019 by Susan The very best cosmos I have ever bought,a stunning pure white Thank you |
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Reviewed 31st July 2019 by Diana I cannot remember the name but ,the plants you sent me were not sonata. However, as I was more than satisfied with all my previous purchases I did not worry. Other than the height of the mature plants which were smaller, they have been okay |
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Reviewed 31st July 2019 by Sonia It took some of the seedlings to recover from the packaging. They were bent over. |
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Reviewed 31st July 2019 by Jacqueline The seedlings of Cosmos Sonata White have done well and the plants are healthy. Three seedlings are growing in a pot filled in peat free compost and the other two are in regular potting compost. the three in peat free compost are stronger overall and do not need so much watering. I marked Sonata White as good rather than excellent because I tried to grow it from seed (which I prefer) and germination was very poor unlike that of other cosmos seeds bought at the same time and grown in the same conditions |
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Reviewed 31st July 2019 by Mary Pleased with purchase. Delivered on time. Perhaps not as good a show as last year! |
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Reviewed 31st July 2019 by Monica Delighted with Cosmos Sonata White,lovely large flower heads,such a great White. |
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Reviewed 31st July 2019 by Kath Usual excellent service .....healthy seedlings well packed and ready to go . Once they got a bit of sun these plants took off well and are just the right size for a large tub mixed with cosmos xanthos.....a lovely combination and plenty yet to come . |
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Reviewed 31st July 2019 by Mr And Mrs. Beddall |
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Reviewed 31st July 2019 by Sally Exactly as they looked on website. |
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Reviewed 31st July 2019 by Jacqueline Lovely plants but I think I got muddled with the full height ones and the dwarfs. |
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Reviewed 31st July 2019 by Paul The plants are always packed and delivered with great care and ready to plant and romp away |
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Reviewed 31st July 2019 by Margaret They are just so consistently lovely |
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Reviewed 31st July 2019 by Rita I have been purchasing Cosmos from yourselves for quite some time as it never fails to flower for ages - I plant it in my small greenhouse to give a floral display during the summer months. I deadhead it every day and it just keeps on flowering until well into September. The service I receive is first class as is the packaging for the plants in transit. |
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Reviewed 31st July 2019 by Helen reliable performer, lots of flowers |
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Reviewed 31st July 2019 by Kate Ver nice seedlings,due to the weather they have not done as well as they could have done |
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Reviewed 31st July 2019 by Penny |
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Reviewed 31st July 2019 by Margaret some plants better than others. |
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Reviewed 31st July 2019 by Tracey Great service, knowledgable & helpful. Safely packaged, quality plants that have grown into beautiful strong plants, absolutely delighted. |
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Reviewed 31st July 2019 by Gillian |
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Reviewed 22nd November 2018 by Paul |
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Reviewed 22nd November 2018 by Jan The service was excellent. The reason for the 4 stars is that the plants bolted when planted but flowered well after a little judicial pruning. |
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Reviewed 21st November 2018 by Deborah I was very happy with the plants, and all flourished in my garden. |
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Reviewed 18th November 2018 by Elmari looked fantastic all summer long and well into autumn. just kept on flowering, really nice strong plants. the white flowers looked amazing at sunset, luminous. great value for money |
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Reviewed 16th November 2018 by Jacqueline They were just what I wanted for my pots this summer & I was very pleased with the result. They flowered for many months & so I will order them again next spring. They arrived in a reasonable time as promised so I was also pleased with the delivery. Thank you. |
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Reviewed 8th November 2018 by Susan Very good quality and flowered their socks off. |
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Reviewed 7th November 2018 by Pauline Plants good but must say the amount of packaging seems over the top even though it is all cardboard and no plastic. |
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Reviewed 31st October 2018 by Barbara Did not do well very spars and few flowers |
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Reviewed 21st September 2018 by Sheila They flowered well all summer . |
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Reviewed 19th September 2018 by Rebecca Good, healthy plants that have grown well in a difficult spot in the garden (where they are in competition with some more established perennials and a tree). Would certainly buy again. |
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Reviewed 19th September 2018 by Karen They are still flowering well into September |
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Reviewed 19th September 2018 by Sue I have bought these several years running. They grow really tall and flower profusely. |
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Reviewed 18th September 2018 by Shirley They gave a very poor showing nothing like other years , very disappointing.... Reply from the Sarah Raven Team:"Thank you for leaving your review. We are very sorry to hear of your disappointment with your Cosmos and have refunded you for them." Posted 7th November 2018 |
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Reviewed 17th September 2018 by Alan Customer service excellent, as always. These Cosmos were to replace some of the original cosmos from the original white collection, which weren’t up to your usual high standard. |
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Reviewed 13th September 2018 by Mrs Trotter Helpful person taking the phone order. |
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Reviewed 12th September 2018 by ANN The seedlings were robust and are thriving well! |
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Reviewed 12th September 2018 by Mrs Jarrett |
Tons of flowers
Reviewed 12th September 2018 by Lyndsey Ritchie Healthy plants which have produced masses of flowers. They were a little slow to get going but have flowered strongly since July and are still looking fabulous now. |
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Reviewed 12th September 2018 by Jacqueline These were sent to me free of charge because I had such a poor germination rate with the seeds (unlike other cosmos seeds that I bought at the same time). |
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Reviewed 12th September 2018 by Michael All 15 cosmos seedlings have produced fine plants but having purchased them all as part of a plan for an 'all-white' border it was disappointing and rather irritating to find when they came to bloom 4 of the 15 proved to be magenta/plum colour. Presumably this was the result of an error in the despatch department. |
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Reviewed 12th September 2018 by Jane Excellent product always pleased |
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Reviewed 12th September 2018 by Jane Always very pleased with the quality of the products sold |
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Reviewed 12th September 2018 by Mrs Arbuthnot |
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Reviewed 12th September 2018 by Leila They performed ok. The usual pests affected the flowering but that is inevitable. I used slug deterrent on the soil. |
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Reviewed 3rd September 2018 by LEE liked the plants but a bit small to get going in the short scottish summer. |
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Reviewed 3rd September 2018 by Sandy Lovely bushy plants, loads of flowers however I wouldn’t grow this dwarf variety again because I think the flowers too big for the over all size of the plant. Next year I’ll try the regular plant. |
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Reviewed 3rd September 2018 by Penny Simply brilliant, my best purchase. They flower again and again and have made my courtyard have the wow factor |
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Reviewed 2nd September 2018 by John Long lasting. Good for front of border. |
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Reviewed 2nd September 2018 by JEAN Same as for pink - all very short and small flowers. |
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Reviewed 29th August 2018 by Michael Strong seedlings that have grown into perfect plants. Great colour |
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Reviewed 29th August 2018 by Tania |
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Reviewed 29th August 2018 by Mrs Charlwood They have been beautiful and still are. Will certainly order again next year. |
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Reviewed 29th August 2018 by Barbara Ok but cosmos bought on local market did better |
Low germination rate
Reviewed 11th July 2018 by Yoshiko Harrop I like cosmos sonata so I grow them from seeds along with other types of cosmos. |
