Platycodon Grandiflorus Hakone Blue

Description

Platycodon grandiflorus 'Hakone Blue', commonly known as Hakone Blue Balloon Flower, is a compact perennial celebrated for its striking, balloon-shaped buds that burst open into starry, violet-blue blooms. This variety is known for its uniform growth habit and rich flower color, making it ideal for garden borders, rock gardens, or container planting. Its dark green, lance-shaped foliage provides a beautiful backdrop to the vibrant flowers, creating an eye-catching display throughout the growing season. Thriving in full sun to partial shade and well-drained soils, Hakone Blue is a low-maintenance plant that tolerates heat and moderate drought once established. It attracts pollinators such as bees and butterflies, adding ecological value to your garden. The compact size and long bloom period make it a versatile addition to both traditional and modern landscapes.

Sowing Advice

Sow seeds in early spring or autumn. Use a well-draining seed-starting mix and lightly cover the seeds with soil, as they require minimal light to germinate. Keep the soil evenly moist but not waterlogged and maintain a temperature of 15–20°C (59–68°F). Germination typically occurs within 2–3 weeks. Once seedlings have developed true leaves, transplant them into individual pots and grow them on until they are robust enough for outdoor planting. Space plants 20–30 cm apart in a sunny or partially shaded location.

Key Facts