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Astrantia major 'Star of Billion' (Masterwort 'Star of Billion' )

Beginner
skill rating
2 hours care
per year
0.75m
Max height
0.5m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Astrantia major 'Star of Billion'

Other names

Masterwort 'Star of Billion'

Genus

Astrantia Astrantia

Variety or Cultivar

'Star of Billion' _ 'Star of Billion' is a clump-forming, herbaceous perennial with divided, mid-green leaves and branching stems bearing umbels of large white flowers with conspicuous green-tipped, white bracts in summer.


Astrantia major 'Star of Billion' is: Deciduous

Habit

Clump-forming, Erect, Open stems

Flower

White in Summer

Foliage

Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn

How to care

Watch out for

Pests

Generally pest free.

Powdery mildew Powdery mildew

General care

Pruning

Deadhead before seed is ripe to prevent self-seeding

Propagation methods

Division, Seed


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Where to grow

Astrantia major 'Star of Billion' (Masterwort 'Star of Billion' ) will reach a height of 0.75m and a spread of 0.5m after 2-5 years.

Suggested uses

Beds and borders, Coastal, Cottage/Informal, Flower Arranging, Woodland

Cultivation

Best planted in moist, fertile, humus-rich soil in sun or part shade. Will tolerate drier conditions.

Soil type

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

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, 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

Astrantia major 'Star of Billion'

Other names

Masterwort 'Star of Billion'

Genus

Astrantia Astrantia

Variety or Cultivar

'Star of Billion' _ 'Star of Billion' is a clump-forming, herbaceous perennial with divided, mid-green leaves and branching stems bearing umbels of large white flowers with conspicuous green-tipped, white bracts in summer.

Native to

Garden origin

Foliage

Deciduous

Habit

Clump-forming, Erect, Open stems


Colour

Flower

White in Summer

Foliage

Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn


How to care

Watch out for

Pests

Generally pest free.

Specific diseases

Powdery mildew

General care

Pruning

Deadhead before seed is ripe to prevent self-seeding

Propagation methods

Division, Seed


Monthly care advice


Where to grow

Astrantia major 'Star of Billion' (Masterwort 'Star of Billion' ) will reach a height of 0.75m and a spread of 0.5m after 2-5 years.

Suggested uses

Beds and borders, Coastal, Cottage/Informal, Flower Arranging, Woodland

Cultivation

Best planted in moist, fertile, humus-rich soil in sun or part shade. Will tolerate drier conditions.

Soil type

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

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, 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

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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: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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