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Dahlia 'Alauna Clair Obscur' (Dahlia 'Alauna Clair Obscur')

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 'Alauna Clair Obscur'

Other names: Dahlia 'Alauna Clair Obscur', Cactus dahlia 'Alauna Clair Obscur', Decorative dahlia 'Alauna Clair Obscur', Dahlia 'Clair Obscur', Dahlia 'Clair Obscure'

Genus: Dahlia

Variety or Cultivar: 'Alauna Clair Obscur' _ 'Alauna Clair Obscur' is an upright, spreading, tuberous perennial with toothed, dark green, pinnate leaves and large, double, maroon flowers with white-tipped petals blooming from late summer to mid-autumn

Dahlia 'Alauna Clair Obscur' is: Deciduous

Flower: White, Maroon in Summer; White, Maroon in Autumn

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

Habit: Erect, Spreading, Upright

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

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Dahlia 'Alauna Clair Obscur' (Dahlia 'Alauna Clair Obscur') will reach a height of 1m 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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