Blue Balloon Flower Seeds - Platycodon Grandiflorus, 60 seeds

Blue Balloon Flower (Platycodon grandiflorus) is a hardy perennial admired for its unique balloon-shaped buds that burst open into star-like blue blossoms. Compact and reliable, it is perfect for borders, rock gardens, and containers. Easy to grow and long-lived, Balloon Flowers bloom in summer, attract pollinators, and return year after year with minimal care.

Seed Information

• Type: Flower Seeds
• Common Name: Blue Balloon Flower, Chinese Bellflower
• Genus: Platycodon
• Species: Platycodon grandiflorus
• Life Cycle: Perennial
• Features: Unique balloon-shaped buds, star-shaped blue blooms, pollinator friendly, long-lived perennial, ornamental
• Season of Interest: Summer blooming
• Indoor/Outdoor: Both (outdoor borders, containers, rock gardens)
• Sunlight: Full sun to partial shade
• Cultivating Difficulty: Easy to moderate
• Watering: Moderate, prefers well-draining soil
• Climate: Temperate, Humid Subtropical, Mediterranean
• Growth Habit: Upright clumping, 12–24 in tall
• Soil Type: Well-draining loamy or sandy soil
• Soil pH: 5.8–7.5
• Planting Time: Spring after frost or late summer

Growing Instructions

• When to Plant: Sow indoors 6–8 weeks before last frost or directly outdoors after frost danger has passed
• Soil: Well-draining sandy or loamy soil with neutral to slightly acidic pH
• Sunlight: Full sun to partial shade
• Watering: Keep evenly moist but avoid waterlogging
• Spacing: 12–15 inches apart
• Germination: 14–20 days at 65–70°F (18–21°C)
• Bloom Season: Mid to late summer
• Tips: Balloon flowers are slow to emerge in spring—be patient; avoid disturbing roots once established