Balloon Flower (Platycodon grandiflorus) Seeds

Scientific name: Platycodon grandiflorus

Native to: East Asia

Distinctive Balloon Buds, Blue-Purple Summer Blooms

Balloon Flower is named for its inflated, balloon-like buds that pop open into stunning star-shaped purple flowers. A long-lived perennial, it blooms reliably each summer and attracts bees and pollinators throughout the season.

Plants grow to about 2 feet tall and adapt well to garden beds, borders, and containers in a wide range of climates.

Growing Conditions

• Light: Full sun to part sun
• Hardiness Zones: 3–9
• Height: About 2 feet
• Bloom: Summer

Germination Notes

Cold-moist stratification for about 30 days is recommended before sowing. After stratification, germination typically takes up to 4 weeks. Plant out once air temperatures consistently stay above 50°F.

Seeds will not germinate without stratification.

What You'll Receive

50 Balloon Flower seeds.

Arrival Support

If there is a problem with your order on arrival, contact us within 24 hours and include clear photos so we can help.

Explore related products: Ornamental Seeds · Native selections