General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9a
Plant Height: 8 to 10 inches
Plant Spread: 12 to 16 inches
Flowers: Showy
Flower Color: Blue
Flower Time: Summer
Inflorescence Height: 8 to 10 inches
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Cut Flower
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Miscellaneous: Tolerates poor soil

Image
Common names
  • Balloon Flower
  • Chinese Bellflower
  • Japanese Bellflower

Photo Gallery
Location: Photo by Carol Bacskai; zone 5b, Yorkville, IL
Date: 2022-07-26
Location: Lowe's Garden Center, MI
Date: 2017-08-23
Location: Lowe's Garden Center, MI
Date: 2017-08-23
Location: in my garden in Oklahoma City
Date: 06-15-2020
Platycodon grandiflorus 'Astra Blue'
Location: RHS Harlow Carr alpine house, Yorkshire, UK
Date: 2021-08-14
Location: Lowe's Garden Center, MI
Date: 2017-08-23
Location: Eagle Bay, New York
Date: 2023-07-25
Balloon Flower (Platycodon grandiflorus 'Astra Blue') 'balloon' b
Location: in my garden in Oklahoma City
Date: 06-15-2020
Platycodon grandiflorus 'Astra Blue'
Location: in my garden in Oklahoma City
Date: 06-15-2020
Platycodon grandiflorus 'Astra Blue'
Location: Gorham Maine
Date: 2016-07-25
Location: Ruhlig Greenhouses, Taylor, MI
Date: 2013-06-17
Location: Ann Arbor, Michigan
Date: 2020-07-11
Balloon flowers, cottage garden style (Platycodon grandiflorus 'A
Location: RHS Harlow Carr alpine house, Yorkshire, UK
Date: 2021-08-14
Location: Lowe's Garden Center, MI
Date: 2017-08-23
Location: Elizabethan Gardens, Dare County, North Carolina | June, 2022
Date: 2022-06-12
Location: in my garden in Oklahoma City
Date: 06-15-2020
Platycodon grandiflorus 'Astra Blue'
Location: Mid Columbia Gardens
Date: 2011-08-11
  • Uploaded by psa
Location: South Carolina
Date: Summer 2017

Date: 2011-06-22
Courtesy Outsidepride
  • Uploaded by vic
Location: Lowe's Garden Center, MI
Date: 2017-08-23
Location: Cooks Nursery, Orem, utah
Date: 2012-03-26
Location: Ruhlig Greenhouses, Taylor, MI
Date: 2013-06-17
Location: Ruhlig Greenhouses, Taylor, MI
Date: 2013-06-17
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christine2 On June 1, 2014 Obtained plant
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