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Hibiscus syriacus 'Admiral Dewey' (Rose of Sharon 'Admiral Dewey')

Beginner
skill rating
1 hour care
per year
2m
Max height
1.5m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Hibiscus syriacus 'Admiral Dewey'

Other names

Rose of Sharon 'Admiral Dewey'

Genus

Hibiscus Hibiscus

Variety or Cultivar

'Admiral Dewey' _ 'Admiral Dewey' is a vigorous, deciduous shrub with green, lobed leaves. From late summer to autumn it bears pure white, double flowers.


Hibiscus syriacus 'Admiral Dewey' is: Deciduous

Habit

Bushy, Erect

Flower

White in Summer; White in Autumn

Foliage

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

How to care

Watch out for

Specific pests

Aphids , Mealybugs , Thrips Aphids , Mealybugs , Thrips

Powdery mildew Powdery mildew

General care

Propagation methods

Layering, Semi-hardwood cuttings


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Where to grow

Hibiscus syriacus 'Admiral Dewey' (Rose of Sharon 'Admiral Dewey') will reach a height of 2m and a spread of 1.5m after 10-20 years.

Suggested uses

City, Coastal, Cottage/Informal, Beds and borders, Hedging/Screens, Containers, Wallside and trellises

Cultivation

Plant in moist but well-drained, neutral to alkaline soil in a sheltered, sunny position. Needs long, hot summers to flower well.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun, Partial Shade

Aspect

South, East, West

Exposure

Sheltered

Hardiness

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Hibiscus syriacus 'Admiral Dewey'

Other names

Rose of Sharon 'Admiral Dewey'

Genus

Hibiscus Hibiscus

Variety or Cultivar

'Admiral Dewey' _ 'Admiral Dewey' is a vigorous, deciduous shrub with green, lobed leaves. From late summer to autumn it bears pure white, double flowers.

Foliage

Deciduous

Habit

Bushy, Erect


Colour

Flower

White in Summer; White in Autumn

Foliage

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


How to care

Watch out for

Specific pests

Aphids , Mealybugs , Thrips

Specific diseases

Powdery mildew

General care

Propagation methods

Layering, Semi-hardwood cuttings


Monthly care advice


Where to grow

Hibiscus syriacus 'Admiral Dewey' (Rose of Sharon 'Admiral Dewey') will reach a height of 2m and a spread of 1.5m after 10-20 years.

Suggested uses

City, Coastal, Cottage/Informal, Beds and borders, Hedging/Screens, Containers, Wallside and trellises

Cultivation

Plant in moist but well-drained, neutral to alkaline soil in a sheltered, sunny position. Needs long, hot summers to flower well.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun, Partial Shade

Aspect

South, East, West

Exposure

Sheltered

Hardiness

Hardy (H4)

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Alkaline, Neutral Tell us...
Light: Full Sun, Partial Shade Tell us...
Aspect: South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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