Dahlia 'Black Wizard' (Dahlia 'Black Wizard')
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Beginner skill rating |
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0.8m max. spread |
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1.2m max. height |
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1-2 years to maturity |
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1 hour care per year |
Botanical name: Dahlia 'Black Wizard'
Other names: Dahlia 'Black Wizard', Cactus dahlia 'Black Wizard', Dinnerplate dahlia 'Black Wizard', Dinner plate dahlia 'Black Wizard'
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Genus: Dahlia
Variety or cultivar: 'Black Wizard' _ 'Black Wizard' is a clump-forming, tuberous perennial with toothed, dark green leaves, purple stems and large, double, deep maroon flowers with purple-black centres blooming from midsummer until autumn.
Dahlia 'Black Wizard' is: Deciduous
Flower: Maroon, Flushed black, Purple in Summer; Purple, Maroon, Flushed black in Autumn
Foliage: Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
Habit: Clump-forming, Compact, Erect
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Watch out for
Specific pests: Aphids , Capsid bug , Caterpillars , Earwigs , Glasshouse red spider mite , Leaf-mining sawflies , Slugs
Diseases: May also be susceptible to viruses and fungal rots.
Specific diseases: Grey mould , Powdery mildew
General care
Pruning: Deadhead to prolong flowering. Cut to near ground level in autumn.. REGISTER to read more...
Propagation methods: Division, Softwood cuttings. REGISTER to read more...
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Dahlia 'Black Wizard' (Dahlia 'Black Wizard') will reach a height of 1.2m and a spread of 0.8m after 1-2 years.
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Suggested uses: Beds and borders, City, Containers, Cottage/Informal, Flower Arranging
Cultivation: Grow in a fertile, humus-rich well-drained soil in full sun. Pinch out growing tips to encourage bushy plants. Stake if required. Water freely in dry periods. Lift and store tubers in autumn.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy, Sandy |  |
| Soil drainage: | Moist but well-drained, Well-drained | |
| Soil pH: | Acid, Alkaline, Neutral | |
| Light: | Full Sun | |
| Aspect: | South, West | |
| Exposure: | Sheltered | |
| Hardiness: | Tender in frost (H3) | |
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