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Dahlia 'Allan Sparkes' (Dahlia 'Allan Sparkes')

Skill rating
skill rating
Maintenance level
1 hour care
per year
Ultimate height
Max height
Ultimate spread
Max spread
Time to maturity
1-2 years
To maturity

Botanical name: Dahlia 'Allan Sparkes'

Other names: Dahlia 'Allan Sparkes'

Genus: Dahlia

Variety or Cultivar: 'Allan Sparkes' _ 'Allan Sparkes' is a small-flowered waterlily type dahlia with an erect habit. Its divided leaves are dark-green. In summer and autumn it bears light rose-purple flowers.

Dahlia 'Allan Sparkes' is: Deciduous

Flower: Purple, Rose-pink in Summer; Rose-pink, Purple in Autumn

Foliage: Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn

Habit: Clump-forming, Erect

Awards: RHS AGM (Award of Garden Merit)

Watch out for

Specific pests: Aphids , Capsid bug , Caterpillars , Earwigs , Glasshouse red spider mite , Leaf mining moths , Slugs

Diseases: May also be susceptible to fungal rots and and viruses.

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

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Dahlia 'Allan Sparkes' (Dahlia 'Allan Sparkes') will reach a height of 1.4m and a spread of 0.6m after 1-2 years.

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.

Soil type: 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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This plant likes... Garden match
Soil types: Clay, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained, 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...


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