Campanula ‘Rapido Blue’ is a compact bellflower valued for its profusion of open, cup-shaped violet-blue blooms. This low-growing perennial forms a neat mound of small, rounded green leaves that provide a dense base for the upward-facing bell-shaped flowers. Blooming in early to mid-summer, the plant becomes covered with bright blue blossoms that attract pollinators and add a cheerful splash of color to the front of borders. Its tidy habit and heavy flowering make it an excellent choice for rock gardens, edging, containers, and small perennial beds.
- Size: Height: 15–25 cm (6–10 in). Spread: 25–35 cm (10–14 in)
- Flower size: 3–5 cm (1–2 in)
- Bloom time: Early to mid-summer
- Light: Full sun to partial shade
- Soil: Well-drained soil; prefers average garden soil
- Water: Moderate; keep evenly moist but not soggy
- Hardiness: Zones 3–8
- Maintenance: Deadhead spent blooms to encourage additional flowering
- Spacing: Plant 25–30 cm apart