Platycodon – Platycodon grandiflorus – 100 Seeds

Grow the elegant and unique Platycodon (Platycodon grandiflorus), commonly known as Balloon Flower. This perennial herbaceous plant is prized for its balloon-like buds that open into striking star-shaped blue flowers, adding a splash of color to gardens and containers. It’s easy to grow and blooms from mid to late summer.

Usage:

• Ornamental garden borders and rock gardens

• Container planting and patio decoration

• Cut flower arrangements

Sowing Time:

• Sow indoors 8–10 weeks before last frost or sow directly outdoors in late spring

Germination Time:

• 14–21 days

Sowing Depth:

• Lightly cover seeds with soil (about 0.5 cm)

Soil Requirements:

• Well-drained, fertile soil

• pH 6.0–7.5

Sunlight Requirements:

• Full sun to partial shade (4–6 hours sunlight daily)

Watering:

• Moderate watering; keep soil moist but not waterlogged

Plant Spacing:

• Thin seedlings or transplant 30 cm (12 inches) apart

Harvest Time:

• Blooms appear 70–90 days after sowing; flowers last for several weeks

Hardiness Zone:

• USDA Zones 3–8

Other Benefits:

• Low maintenance and drought tolerant once established

• Attracts pollinators like bees and butterflies

• Beautiful long-lasting flowers perfect for cut bouquets

Latin Name: Platycodon grandiflorus