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Hibiscus syriacus 'Oiseau Bleu' (Rose mallow 'Oiseau Bleu')

Beginner
skill rating
1 hour care
per year
2.5m
Max height
2.5m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Hibiscus syriacus 'Oiseau Bleu'

Other names

Rose mallow 'Oiseau Bleu', Rose mallow 'Blue Bird', Rose of Sharon, Hibiscus syriacus 'Blue Bird', Hibiscus syracus 'Bluebird', Hibiscus 'Bluebird'

Genus

Hibiscus Hibiscus

Variety or Cultivar

'Oiseau Bleu' _ 'Oiseau Bleu' is a mid-sized, upright, deciduous shrub with lobed, dark-green leaves. It bears single, violet-blue flowers with a maroon centre in late summer and autumn


Hibiscus syriacus 'Oiseau Bleu' is: Deciduous

Habit

Bushy, Erect

Awards

RHS AGM (Award of Garden Merit)

Flower

Maroon, Violet in Summer; Violet, Maroon 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

Pruning

Pruning group 1.

Propagation methods

Semi-hardwood cuttings


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Where to grow

Hibiscus syriacus 'Oiseau Bleu' (Rose mallow 'Oiseau Bleu') will reach a height of 2.5m and a spread of 2.5m 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

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

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

Botanical name

Hibiscus syriacus 'Oiseau Bleu'

Other names

Rose mallow 'Oiseau Bleu', Rose mallow 'Blue Bird', Rose of Sharon, Hibiscus syriacus 'Blue Bird', Hibiscus syracus 'Bluebird', Hibiscus 'Bluebird'

Genus

Hibiscus Hibiscus

Variety or Cultivar

'Oiseau Bleu' _ 'Oiseau Bleu' is a mid-sized, upright, deciduous shrub with lobed, dark-green leaves. It bears single, violet-blue flowers with a maroon centre in late summer and autumn

Native to

Garden origin

Foliage

Deciduous

Habit

Bushy, Erect

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Maroon, Violet in Summer; Violet, Maroon 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

Pruning

Pruning group 1.

Propagation methods

Semi-hardwood cuttings


Monthly care advice


Where to grow

Hibiscus syriacus 'Oiseau Bleu' (Rose mallow 'Oiseau Bleu') will reach a height of 2.5m and a spread of 2.5m 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

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5

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Hibiscus moscheutos 'Carousel' - 'Jolly Heart' and 'Pink Passion'

Proper blue flower

(02/08/2011)

Blue Bird - In the pot still

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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 Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Did not flower, so dug up and discovered 3 plants so divided and repalnted in pots and garden, but still does not flower. Should I feed it or what ?

Did not flower, so dug up and discovered 3 plants so divided and repalnted in pots and garden, but still does not flower. Should I feed it or what ? read more

There are 0 active discussions about Hibiscus syriacus 'Oiseau Bleu' (Rose mallow 'Oiseau Bleu')

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