Balloon Flower
Botanical Name:
Platycodon grandiflorus 'Astra Blue'Series:
Astra- Balloon-like buds form on compact foliage
- Buds open to upward-facing blue 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
Hardiness Zone
3
Flower Colour
- Blue
Height
20 cm-25 cm
Spread
35 cm-40 cm
Quantity:
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Balloon Flower
Exposure
- Full Sun
- Partial Sun/Shade
Soil Moisture
- Average to Dry Soils
- Moist to Average
- Well-drained
Growth Rate
- Medium
- Slow
Foliage Colour
- Green (dark)
Critter
- Deer Resistant
Attributes
- Cut Flower/Foliage
- Long Blooming
- Low Maintenance
Flowering Time
- Lt. Spr-Sum
- Summer
Shape
- Compact
- Dwarf
- Upright
Garden Uses
- Border/edging
- Rock garden
Additional Details
Growing Tips & Maintenace
- 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.
Additional Notes
- The common name "balloon flower" refers to the buds, which swell like balloons before opening.
Size: 9pt
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