Thompson & Morgan Campanula Medium (Canterbury Mixed) Seed Packet

Grow Campanula for masses of bell-shaped blooms in your garden from June to August! This pretty mi...

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This guide is for gardeners looking to cultivate beautiful Canterbury Bells (Campanula medium) in a range of colors. The Thompson & Morgan seed packet provides a simple way to grow a cottage garden classic, offering a mix of blues, whites, and pinks. Note that results may vary based on growing conditions.

All features

Model Part Number23915
BrandThompson & Morgan

Extended Product Information

FAQs

When should I sow the seeds?

Sow the seeds in late spring/early summer.

How deep should I sow the seeds?

Sow the seeds in drills 6mm (0.25in) deep.

What is the spacing for transplanting seedlings?

Transplant the seedlings approximately 15cm (6in) apart.

What is the final planting spacing?

Plant out 38cm (15in) apart where they are to flower.

What type of location is best?

Plant in sun or semi-shade.

How tall do the plants grow?

Up to 120cm.

What colors are included?

Blues, whites, and pinks.

Troubleshooting

Seedlings are not germinating.

Ensure the soil is kept consistently moist but not waterlogged. Check the seed packet for specific germination requirements.

Plants are not flowering.

Make sure plants are receiving enough sunlight and that they are not overcrowded. Ensure plants have been planted out at the correct spacing. Fertilize if needed.

Pros and Cons

Pros

  • Provides a beautiful mix of colors.
  • Easy to establish from seed.
  • Offers a traditional cottage garden look.
  • Includes clear growing instructions.
  • High quantity of seeds per packet.

Cons

  • Requires transplanting seedlings.
  • Results can vary depending on growing conditions.
  • Requires a well-prepared seed bed.

Setup, Compatibility & Care

  1. Sowing: Sow seeds thinly in drills 6mm (0.25in) deep, 15cm (6in) apart in a well-prepared seed bed.
  2. Transplanting: Transplant the seedlings before they become crowded, approximately 15cm (6in) apart, into a reserve border for the summer.
  3. Final Planting: Plant out 38cm (15in) apart where they are to flower.
  4. Position: Plant in sun or semi-shade.
  5. Watering: Water regularly, especially during dry periods.
  6. Soil: Canterbury Bells prefer well-drained soil.
  7. Deadheading: Remove faded flowers to encourage more blooms.