Not the plant you're looking for? Search over 300,000 plants
Herbaceous Perennial

Platycodon grandiflorus 'Mariesii'
  • RHS AGM

balloon flower 'Mariesii'

'Mariesii' is an herbaceous perennial to 45cm tall, with blue-green lance-shaped leaves and violet-blue flowers 5cm wide, opening from balloon-like buds in late summer

Unlimited days out

Individual RHS membership from £47.25

Complete now
Buy this plant
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Blue Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Campanulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Platycodon are herbaceous perennials with neat, ovate leaves and terminal clusters of open bell-shaped flowers which open from large, balloon-shaped buds in late summer

Name status

Accepted

How to grow

Cultivation

Grow in deep, light, fertile, loamy, reliably moist but well-drained soil in full sun or partial shade. May need support; resents disturbance

Propagation

Propagate by seed in pots or in situ in spring; cultivars may not come true from seed

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Rock garden
  • City and courtyard gardens
  • Gravel garden
  • Flower borders and beds
Pruning

Cut back to the base in autumn

Pests

May be attacked by slugs and snails

Diseases

Generally disease free

My Garden

Your free RHS gardening coach

Keep track of your plants with reminders & care tips – all to help you grow successfully

My plants
My calendar

My plants

My calendar

My ideas
Manage membership

My ideas

My advice

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.