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Astra

Platycodon grandiflorus Astra White

Balloon Flower

Single, star-shaped, white blooms open over a compact mound of green foliage.

  • »  Balloon-like buds form on compact foliage
  • »  Buds open to single white upward-facing bell-shaped flowers
  • »  Ovate dark green leaves
  • »  Plant is late to emerge in the spring
  • »  Bloom Time: Early July to August
  • »  Flower Size: 4 cm across

1gal
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  • Category:Perennials
  • Hardiness Zone:3
  • Height:20-25 cm
  • Spread:35-40 cm
  • Bloom Color: White
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Moist to Average
• Average to Dry Soils
• Well-drained
Growth Rate
• Medium
• Slow
Critter
• Deer Resistant
Attributes
• Cut Flower/Foliage
• Long Blooming
• Low Maintenance
Flowering Time
• Lt. Spr-Sum
• Summer
Habit
• Compact
• Dwarf
• Upright
Foliage Color
• Green (dark)
Landscape uses
• Border/edging
• Rock garden
Planting instructions
• Container Plants
Additional Information about Platycodon grandiflorus 'Astra White'

The common name "balloon flower" refers to the buds, which swell like balloons before opening. 

Growing & Maintenance Tips for Platycodon grandiflorus 'Astra White'

Grows best in an average to moist, well-drained soil, in full sun to partial shade. Not easily transplanted once established. It is late to emerge in spring, so it is important to mark the crown areas to avoid damage during early cultivation. Remove spent flowers to prolong bloom time or prune back after flowering to maintain shape.