OK
In progress indicator

Astrantia maxima (Largest masterwort)

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

Plant details

Botanical name

Astrantia maxima

Other names

Largest masterwort

Genus

Astrantia Astrantia

Species

A. maxima - A. maxima is a clump-forming perennial with deeply-divided, palmate, mid-green leaves and branching stems bearing umbels of pale pinks flowers surrounded by pink bracts in summer.


Astrantia maxima is: Deciduous

Habit

Bushy, Clump-forming, Erect, Open stems

Awards

RHS AGM (Award of Garden Merit)

Flower

Pale-pink in Summer

Foliage

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

How to care

Watch out for

Powdery mildew Powdery mildew

General care

Pruning

Cut back flower stems when they turn brown to encourage a second flush of flowers. Deadhead before seed is ripe to prevent self-seeding. Lift and divide in early spring. May take time to establish after division as the roots do not like to be disturbed.

Propagation methods

Division


Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions

Where to grow

Astrantia maxima (Largest masterwort) will reach a height of 2ft and a spread of 2ft after 2-5 years.

Suggested uses

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

Cultivation

Plant in moist, fertile, humus-rich soil in sun for best foliage colour. Water newly-established plants well in dry conditions. Performs best in heavy, clay soil.

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

South, East, West

Exposure

Sheltered

UK hardiness

Hardy (H4)

Companion plants

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

Botanical name

Astrantia maxima

Other names

Largest masterwort

Genus

Astrantia Astrantia

Species

A. maxima - A. maxima is a clump-forming perennial with deeply-divided, palmate, mid-green leaves and branching stems bearing umbels of pale pinks flowers surrounded by pink bracts in summer.

Foliage

Deciduous

Habit

Bushy, Clump-forming, Erect, Open stems

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Pale-pink in Summer

Foliage

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


How to care

Watch out for

Specific diseases

Powdery mildew

General care

Pruning

Cut back flower stems when they turn brown to encourage a second flush of flowers. Deadhead before seed is ripe to prevent self-seeding. Lift and divide in early spring. May take time to establish after division as the roots do not like to be disturbed.

Propagation methods

Division


Monthly care advice


Where to grow

Astrantia maxima (Largest masterwort) will reach a height of 2ft and a spread of 2ft after 2-5 years.

Suggested uses

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

Cultivation

Plant in moist, fertile, humus-rich soil in sun for best foliage colour. Water newly-established plants well in dry conditions. Performs best in heavy, clay soil.

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

South, East, West

Exposure

Sheltered

UK hardiness

Hardy (H4)

USDA zones

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

In order to add a note on this plant, please add this plant to your plant lists.

In progress indicator
Full size image
In progress indicator
Caption

Caption

Cancel and close this form
In progress indicator
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: South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

Paul Jackson
Paul Jackson
Paul Jackson
Kierfiold Garden
Kierfiold Garden
fiona smith
My Garden
My Garden
Nargis Underhill
My Garden
My Garden
Darren M Thompson

ARTICLES WITH THIS PLANT

Brewin Dolphin – Forever Freefolk

The river Test and History of the Huguenots inspire the Brewin Dolphin ‘Forever Freefolk’ Show Garden at RHS Chelsea Flower Show 2016 read more


Report content or feedback to Shoot

To add ? to your lists,
login to your account or subscribe.

Find out more about plant lists here

or Login


To check if this plant is suitable for your garden first login to your account or subscribe.

or Login

In progress indicator
Note

Note

You are adding a note to: ?

Cancel