Campanula medium Double Mixed

Campanula medium, commonly known as Canterbury Bells, is a charming biennial flower known for its bell-shaped blooms. The "Double Mixed" variety features double flowers in various colors. Here's a guide on how to grow Campanula medium Double Mixed:

**1. Planting Time:**
- Sow seeds in late summer to early fall for flowers the following year. Alternatively, you can start seeds indoors 8-10 weeks before the last expected frost date in spring.

**2. Soil Preparation:**
- Choose well-draining soil with a slightly acidic to neutral pH. Amend the soil with organic matter, such as compost, to improve fertility and drainage.

**3. Sunlight:**
- Canterbury Bells prefer full sun to partial shade. Ensure they receive at least 6 hours of sunlight daily for optimal flowering.

**4. Planting Seeds:**
- Sow seeds on the soil surface and lightly press them into the soil. Keep the seeds moist until germination occurs.

**5. Watering:**
- Keep the soil consistently moist but not waterlogged during the germination period. Once established, Canterbury Bells are moderately drought-tolerant, but regular watering is still beneficial.

**6. Thinning:**
- When the seedlings are large enough to handle, thin them to about 12-18 inches apart. This allows for better air circulation and reduces competition among plants.

**7. Fertilization:**
- Fertilize the plants with a balanced, all-purpose fertilizer when they start actively growing. Follow the package instructions for application rates.

**8. Staking:**
- Tall varieties of Canterbury Bells may benefit from staking to prevent them from bending or breaking in strong winds. Place stakes in the ground early in the growing season before the plants get too tall.

**9. Deadheading:**
- Deadhead spent flowers regularly to encourage continuous blooming. This also prevents the plant from putting energy into seed production.

**10. Support:**
- Provide support for tall plants to prevent them from bending or breaking, especially during windy conditions.

**11. Pests and Diseases:**
- Keep an eye out for common garden pests such as aphids or slugs. Treat any infestations promptly. Canterbury Bells are generally resistant to diseases, but good garden hygiene is essential.

**12. Winter Protection:**
- In colder climates, Canterbury Bells may survive mild winters, but they are often grown as biennials. Mulch around the plants in late fall to provide some protection against winter cold.

**13. Organic Certification:**
- If you wish to officially label your Canterbury Bells as organic, follow the guidelines and requirements set by your local organic certification body.

Growing Campanula medium Double Mixed can add a delightful mix of double-blooms to your garden. Following these guidelines will help you cultivate healthy and beautiful Canterbury Bells.