Container Dahlias | Why Sarah Loves These
Sarah discusses her current favourite dahlias for pots, and how to grow and care for them for the most floriferous container displays.
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Dahlia 'Roxy'
An incredible magenta colour with beautiful crimson leaves, flowering without cease for four months at a stretch. More
| 5 young plants 190469-5 | £12.95 |
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| 10 young plants 190469-10 | £23.50 |
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| 1 x 9cm plant 190469-9C01 | £4.95 |
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| 1 x 9cm pot 190469-1 | £4.95 |
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| 3 x 9cm plants 190469-9C03 | £14.50 |
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More Details
An incredible magenta colour with beautiful crimson leaves. This is one of the very best dahlias for pots, flowering without cease for four months at a stretch.
Unfortunately Dahlia 'Roxy' tubers are not available this year due to a crop failure. You may like Dahlias 'Bishop of Auckland' or 'Bishop of Canterbury' instead.
| Genus | Dahlia |
| Group/Species |
Single-flowered Group Flower has a central disc with a single ring of petals encircling it. Petals may be round or pointed. Click here for more information about dahlia groups. |
| Variety | Roxy |
| Type | Tender Perennial Tuber |
| Common Name | Dahlia |
| Border Position | Middle |
| Bulb Size | I |
| Soil Type | Acid, Chalky, Fertile, Neutral |
| Scent | Unscented |
| Site | Full Sun |
| Moisture | Moist but Well-drained |
| Height | 70cm (28in) |
| Spacing | Plant just under the soil surface, 75cm (30in) apart. |
| Sowing, Seeds, Planting | Pot them up undercover March or early April in a generous pot (at least 2 litre) filled with multi-purpose potting compost. Place them in a light, frost-free place and keep the compost moist. Pinch out their growing tips when they have reached about 8" tall. They will have formed bushy plants by the time the frosts have ended and will be in flower by the beginning of July. If you don’t have anywhere to grow the potted tubers, you can put them straight into the ground when the frosts are nearly over, mulching them or protecting with a cloche or protective horticultural fleece if the foliage appears before the frosts are over, but this will delay flowering. |
| Care Tips | Support with a stout stick, tie in every couple of weeks. In the south you can mulch deeply and overwinter them in the ground, alternatively, lift and overwinter your dahlias frost free undercover. |
| Flowering | July - November |
| Vase Life | Only pick dahlias in full flower. Recut the hollow stem ends under water to avoid airlocks. |
| Cooking Notes | All dahlia flowers are edible. I use the petals scattered over salad and to decorate a range of puddings. |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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- Sow Under Cover/Plant Indoors
- Direct Sow/Plant Outdoors
- Flowers/Harvest
Advice & Videos
History of the dahlia
First discovered by Aztec Indians and used for food and medicine, this tuber has an interesting history of cultivation.
Understanding dahlia groups
A list of the different dahlia groups, along with some classification info and an example of a variety in each group.
How to plant and grow dahlia tubers
Discover how to grow strong, healthy dahlias – how to plant, look after and overwinter them, and what to do with your bulbs when they arrive.
How to overwinter dahlia tubers
Sarah discusses the best options for overwintering dahlias – lifting or mulching.
Sublime dark dahlia flower arrangement
Sarah shows you how to make a gorgeous large arrangement of dahlias.
Planting narcissi bulbs with dahlias
Have a beautiful display of flowers in your garden from March to the first frosts with this simple planting technique.
New favourite dahlia arrangement
Sarah shows you how to make a quick arrangement of colourful dahlias.
Growing dahlias in pots
Sarah shows you her favourite dahlia varieties for pots, and gives you some tips on how to grow them successfully.
How to take dahlia cuttings
Watch and learn how to take dahlia cuttings – turn 1 tuber into 10.
How to plant up your dahlia tubers
In this video Sarah shows you how to plant up your dahlia tubers.
Delivery
Plant Delivery - When in stock, please allow 2 weeks for despatch. Please click here for more information regarding delivery times due to the Covid-19 situation.
Click here to find out more information about our delivery rates and times.
Dahlia 'Roxy' reviews
Average based on 29 reviews
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Reviewed 26th April 2020 by Janet plants were well packed and arrived safely and healthy. Being informed when the plants were despatched was really helpful, not all companies do this |
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Reviewed 25th April 2020 by Caroline I received the seedlings on 2nd April and potted them up that day in 10cm square pots. (One damaged on arrival but four healthy ones). Seedlings grew well and I found that they were pot bound on 24 April so potted them on. They should be good sized plants by the time the weather is warm enough to plant them out. |
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Reviewed 21st April 2020 by Sue Only part of order -not heard of rest of order |
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Reviewed 21st April 2020 by James order arrived on time. Goods as described. Very pleased |
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Reviewed 21st April 2020 by Nicola The plants arrived in good condition. |
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Reviewed 21st April 2020 by Dorothy 5 excellent plants received thankyou |
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Reviewed 21st April 2020 by Michael Strong little cuttings. Packaged well. Growing on nicely. |
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Reviewed 21st April 2020 by Barbara Very pleased with service and plants arrived prompt and in good health.loved the choice of plants to would recommend to a friend. |
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Reviewed 20th April 2020 by Karen Perfect plug plants. Couldn't fault the service |
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Reviewed 20th April 2020 by Margaret Good looking plants but quite small. |
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Reviewed 20th April 2020 by Anne Early days but good growth so far! |
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Reviewed 20th April 2020 by Ian I was somewhat concerned that the coronavirus pandemic might have affected the supply and delivery of plants. I was pleased that they were delivered on time and in good condition. |
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Reviewed 1st August 2019 by Ian These flower early and keep going if you dead head and feed them well. The dark leaves are prone to mildew if their position is not quite right but in full sun they are happy. Unfortunately slugs and snails love them as much as I do! |
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Reviewed 31st July 2019 by Daughne Wow just beautiful my first try at growing dahlias and now I’m hooked very very good plants |
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Reviewed 31st July 2019 by Janet
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Reviewed 31st July 2019 by Ruth Lovely, grew quickly and are flowering profusely |
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Reviewed 31st July 2019 by Gillian Good to receive a text advising that the plants were en route. |
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Reviewed 31st July 2019 by Charles Plants arrived in excellent condition and are now growing well in garden. Lots of lovely bright flowers. |
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Reviewed 24th November 2018 by Sharon Excellent service and very pleased with plants, beautiful flowers all summer. |
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Reviewed 21st November 2018 by Julie Lovely colours and lasted quite a while. Very thirsty. |
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Reviewed 10th November 2018 by Margaret
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Reviewed 8th November 2018 by Susan The summer heat took their toll on the dahlias this year but the SR service was excellent and plants good quality on arrival. |
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Reviewed 19th September 2018 by Susan They were slow to get started even though I followed instructions to the letter, but are now flowering well and are very pretty. |
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Reviewed 12th September 2018 by Sue unfortunately two of these plants succumbed to a mildew like deposit on their leaves, but nevertheless are still blooming |
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Reviewed 8th September 2018 by Ann Average not as good as I expected |
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Reviewed 8th September 2018 by Joanne
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Reviewed 6th September 2018 by DIANE They started off very well in pots, but I do not think they liked the very hot weather. Maybe I allowed them to dry out. |
A really good doer
Reviewed 31st July 2018 by Cynthia Edwards I agree with the comments made in the earlier review. Roxy starts early and just keeps on going. There is never a time when there are no flowers open. I grow mine in front of a group of raspberry and white lilies and it is a wonderful combination |
Dahlia 'Roxy' just keeps flowering!
Reviewed 28th January 2017 by Bonar Last year I bought 3 rooted cuttings of Dahlia 'Roxy' and grew them on before planting them outside in late May. From mid July onwards they just kept flowering until the first frosts. They have intense magenta flowers and the bees seemed to love them too. I grew them in big glazed pots where they seem to flourish and I fed them well. So now I'm looking forward to starting them off again this March... (along with all the others I've started to collect) ;) Recommended! |
