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A mature Balloon Flower (Platycodon grandiflorus) growing in a residential garden bedFoliage

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Balloon Flower

Platycodon grandiflorus

Balloon Flower is a perennial, hardy in USDA zones 3-8, that matures to about 1-2.5 ft × 1-1.5 ft. It does best in full sun and part shade with medium water needs in well-drained soil. Expect blue and white blooms in summer. It grows happily in containers.

USDA zones
3-8
Sun
Full sun, Part shade
Water
Medium
Mature size
1-2.5 ft × 1-1.5 ft
Maintenance
Low
Soil
Well-drained
Bloom color
Blue, White
Bloom season
Summer
Native to
China, Korea, Japan, Russia

Freeze survival

Will it survive your winters?

We score Balloon Flower’s freeze-trouble range against the real coldest nights your area has recorded.

Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.

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