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Product Description
Add a whimsical touch to your garden with Balloon Flower (Platycodon grandiflorus), an heirloom perennial known for its balloon-shaped buds that open into star-like blossoms. This easy-to-grow flower thrives in garden beds, borders, and containers, providing long-lasting blooms with minimal care. Its vibrant colors and unique bud formation make it a favorite among gardeners.
Plant Type: Balloon Flower (Heirloom Perennial)
Seed Type: Non-GMO, high germination
Growth Habit: Upright, clumping perennial
Height: 45–90 cm (mature plant)
Flower Color: Blue, pink, or white
Blooming Season: Summer (July to September)
Sunlight: Full sun to partial shade
Soil Type: Well-draining, fertile soil
Water Requirements: Moderate; avoid waterlogging
Maintenance: Low; minimal pruning required
Unique Feature: Balloon-shaped buds that open into star-shaped flowers
Seed Preparation: Soak seeds in lukewarm water for 4–6 hours before sowing to improve germination.
Sowing Depth: Sow seeds 0.3–0.5 cm deep in seed-starting mix or garden soil.
Temperature: Maintain 18–22°C for optimal germination.
Watering: Keep soil lightly moist until seedlings establish.
Germination Time: 10–20 days under ideal conditions.
Transplanting: Space seedlings 30–40 cm apart in garden beds, borders, or containers.
Care: Deadhead spent blooms to encourage continuous flowering.

Life Cycle
Perennial flower
Planting Season
Cool season
Growth Habit
Upright clumping
Flavor Profile
Not edible
Plant Characteristics
Balloon-like buds
Use
Balloon-like buds
Growing Conditions
Cool temperate climates
Harvest Advantages
Long blooming
Plant Resistance
Cold hardy
Scientific Name: Platycodon grandiflorus
Seed Names
Balloon Flower
Seed Type
Heirloom non-GMO
Balloon Flower is a charming perennial named for its inflated buds that open into star-shaped blooms. Easy to grow and long-lived, this heirloom plant is ideal for home garden borders and beds, offering reliable flowering and minimal maintenance in cooler climates.
Light Requirement
Full sun
Planting Depth
¼ inch
Sowing Method
Direct sowing
Plant Spacing
12–18 inches
Days to Maturity
90–120 days
Soil Preparation
Cold stratification
Hardiness Zones
USDA 3–8
Water Needs
Moderate watering
Planting Season
Spring sowing
Seed Count
Recommended Coverage
100
Up to 25 sq ft
500
Up to 125 sq ft
1000
Up to 250 sq ft