Dahlia (any variety)
Dahlia (any variety)
Dahlia Dahlia
Dahlia (any variety) _ If you don't know the variety name of your Dahlia, you can add this plant to your lists to get care advice.
Dahlia (any variety) are upright, bushy, clump-forming, tuberous perennials with toothed, pinnate, dark green leaves, sometimes flushed dark purple or bronze, and, from summer into autumn, strong, upright stems bearing single to double flowers in a variety of colours and forms.
Dahlia (any variety) is: Deciduous
Clump-forming, Bushy, Upright
Red, Yellow, White, Orange, Pink, Purple in Summer; Red, White, Yellow, Orange, Pink, Purple in Autumn
Dark-green, Dark-purple, Bronze in Spring
Glasshouse red spider mite , Earwigs , Caterpillars , Capsid bug , Aphids , Leaf-mining sawflies , Slugs Glasshouse red spider mite , Earwigs , Caterpillars , Capsid bug , Aphids , Leaf-mining sawflies , Slugs
May also be susceptible to viruses and fungal rots.
Grey mould , Powdery mildew Grey mould , Powdery mildew
Deadhead to prolong flowering. Cut to near ground level in autumn before lifting and storing tubers for winter.
Softwood cuttings, Division
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Dahlia (any variety) (Dahlia (any variety)) will reach a height of 1.3m and a spread of 0.6m after 1-2 years.
Flower Arranging, Cottage/Informal, Containers, City, Beds and borders
Grow in a fertile, humus-rich well-drained soil in full sun. Stake if required. Water freely in dry periods. Lift and store tubers in autumn.
Clay, Loamy, Sandy
Well-drained, Moist but well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Sheltered
Tender in frost (H3)
We do not currently have companion plants added for this plant.
Dahlia (any variety)
Dahlia (any variety)
Dahlia Dahlia
Dahlia (any variety) _ If you don't know the variety name of your Dahlia, you can add this plant to your lists to get care advice.
Dahlia (any variety) are upright, bushy, clump-forming, tuberous perennials with toothed, pinnate, dark green leaves, sometimes flushed dark purple or bronze, and, from summer into autumn, strong, upright stems bearing single to double flowers in a variety of colours and forms.
Deciduous
Clump-forming, Bushy, Upright
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Red, Yellow, White, Orange, Pink, Purple in Summer; Red, White, Yellow, Orange, Pink, Purple in Autumn
Dark-green, Dark-purple, Bronze in Spring
Glasshouse red spider mite , Earwigs , Caterpillars , Capsid bug , Aphids , Leaf-mining sawflies , Slugs
May also be susceptible to viruses and fungal rots.
Deadhead to prolong flowering. Cut to near ground level in autumn before lifting and storing tubers for winter.
Softwood cuttings, Division
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Dahlia (any variety) (Dahlia (any variety)) will reach a height of 1.3m and a spread of 0.6m after 1-2 years.
Flower Arranging, Cottage/Informal, Containers, City, Beds and borders
Grow in a fertile, humus-rich well-drained soil in full sun. Stake if required. Water freely in dry periods. Lift and store tubers in autumn.
Clay, Loamy, Sandy
Well-drained, Moist but well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Sheltered
Tender in frost (H3)
Zone 11, Zone 10, Zone 9
Dahlia (any variety) (Dahlia (any variety))
Corn borer; Corn moth; European corn borer; European maize borer; European stalk borer; Maize pyralid
Ostrinia nubilalis
Insect
Present (Limited)
3
3
Polyphagous boring pest present in the UK since the 1930’s. A maize-affecting race was detected for the first time in 2010. Industry may wish to monitor for its presence and mitigate against impacts.
Dahlia (any variety) (Dahlia (any variety))
Necrotic spot
Impatiens necrotic spot virus
Virus or Viroid
Present (Widespread)
2
3
Pest of mainly ornamentals and vegetables; present in the UK; and covered by the EU listing of Tomato Spotted Wilt Virus. To be kept under consideration in light of a review of the EU listing.
Dahlia (any variety) (Dahlia (any variety))
American serpentine leaf miner; chrysanthemum leaf miner
Liriomyza trifolii
Insect
Absent
2
3
Regulated pest already subject to review at the EU level (2013). Regularly intercepted in the trade.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Clay, Loamy, Sandy | Tell us... |
Soil drainage: | Well-drained, Moist but well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Tender in frost (H3) | Tell us... |
Inspired by the new, exciting Witan Investment Trust PLC Global Growth Garden project at RHS Hyde Hall (opening Spring 2017), this garden seeks to demonstrate the fabulous selection of edible plants… read more
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DISCUSS THIS PLANT
Hi I havew 2 Dahlias which have had plenty of Flowers , I am about to lift them for overwinter storage next year I intend to plant the Tubers into pots when is the best time to plant them thanks Roy
Ive again got huge dahlias and failed at correctly storing them last year,,any hints as to how to split them? Last year was my first try.
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