Shoot Logo
Take a photoPlans & pricingBook a demoGet started

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

ShootChecker™

STOP: Make sure you get the “Right Plant, Right Place.”

90% of plants die because they were the wrong plant choice. Shoot helps you to save valuable time and money to get the right plant choices for any garden.

How ShootChecker™ works

Get the Right Plant, Right Place

1

Provide details about your garden or your client's garden conditions

2

ShootChecker™ will help you assess if it is the right plant

3

Save money with Right Plant, Right Place.

Get started Book a demo

Other Shoot features

Laptop, tablet and mobile devices

One-stop planning
Streamlined garden design and record-keeping all in one place

Monthly care advice
Receive tailored monthly care advice for plants in your garden

Present and collaborate
Share designs and care tasks with anyone

Join Shoot today to enjoy…

  • ShootChecker™
  • One-stop garden design
  • Monthly care advice for every plant in your garden
  • Saving money with Right Plant, Right Place

All you need to do is join.

Get started
Book a demo

Already a member? Sign in

Add to plant list
Variety or Cultivar
'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.
Add to plant list
ShootChecker™
Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
0.75 m 0.5 m 2-5 years
2 ft 1 ft 2-5 years

Where to grow

Soil type
  • Chalky
  • Clay
  • Loamy
  • Sandy
Soil drainage
  • Moist but well-drained
  • Well-drained
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Partial Shade
  • Full Sun
Aspect
  • East
  • West
  • South
  • North
Exposure
  • Sheltered

Check to see if this is the Right Plant, Right Place with ShootChecker™

Open ShootChecker™

Additional plant details

Cultivation

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

Suggested uses

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

UK hardiness

H7

USDA zones

Zone 6, Zone 7, Zone 8, Zone 9

Sunset zone

4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 1, 2, 3

WUCOLS

North-Central Coastal = Moderate/Medium
Central Valley = Moderate/Medium
South Coastal = Unknown
South Inland = Inappropriate
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Erect, Clump-forming, Open stems

Native to

Garden origin

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Deadhead before seed is ripe to prevent self-seeding

Propagation methods

Seed, Division

Pests

Generally pest free.

Diseases

Powdery mildew

Deadhead to encourage more flowers (optional)

Divide and replant in spring

Sow spores or seeds as soon as ripe on moist compost

Remove faded flower stems in early summer

Plant in fertile, moisture retentive soil

Remove faded or dead foliage (optional)

Plant in full sun or partial shade (autumn or spring)

Other plants

Plants in this Genus (0)

Astrantia

Companion plants (0)

Related content

Discuss Astrantia major 'Star of Billion' with other Shoot members
Read more
TOP