Medium-tall Flower Seeds

Canterbury Bells Double Mix – Seeds

(Campanula medium)

Canterbury Bells ‘Double Mix’ is a traditional cottage garden favorite, producing tall spires filled with large, fully double bell-shaped blooms. This colorful mix features shades of blue, pink, white, and lavender, bringing old-fashioned charm and elegance to borders, beds, and cutting gardens.

Why Grow Canterbury Bells Double Mix?

• Stunning double blooms in soft pastel shades

• Classic cottage garden plant with tall spires

• Long-lasting cut flowers for arrangements

• Reliable biennial, flowering the following year

Key Features

• Type: Biennial

• Height: 60–90 cm

• Flowers: Early to mid-summer (second year)

• Position: Full sun to partial shade

• Soil: Well-drained, fertile soil

Ideal For

• Cottage and traditional gardens

• Flower borders and background planting

• Cut flower arrangements

• Pollinator-friendly spaces

Sowing & Growing

• Sow indoors: May–July in trays of fine compost (do not cover seeds – light aids germination)

• Germination: 14–21 days at 18–22°C

• Transplant: Prick out seedlings and grow on before planting out in autumn

• Care: Water regularly, deadhead faded blooms, and stake taller plants if needed

Canterbury Bells Mix Seeds (Campanula medium)

Canterbury Bells are classic biennial flowers cherished for their bell-shaped blooms in a range of vibrant colors. This mix produces tall, elegant stems covered in large, showy flowers that brighten borders, cottage gardens, and cut flower arrangements. With their long-lasting blooms and architectural form, they are perfect for adding vertical interest and charm to any garden.

What Makes It Special

• Produces bell-shaped flowers in multiple colors

• Tall, upright growth adds vertical structure to borders

• Excellent for cut flowers with a long vase life

• Biennial: flowers in the second year for a reliable display

Key Features

• Botanical name: Campanula medium

• Common name: Canterbury Bells

• Seed count: Approx. seeds per pack

• Height/Spread: 60–90 cm tall, 25–30 cm spread

• Position: Full sun to partial shade, well-drained soil

• Flowering period: Second year; early to mid-summer

• Lifespan: Biennial

Ideal For

• Borders and cottage-style gardens

• Cut flower arrangements

• Mixed flower beds

• Pollinator-friendly gardens

Sowing Instructions

1. When to sow:

   • Indoors: February–March for transplanting

   • Outdoors: April–May in well-prepared soil

2. How to sow:

   • Sow seeds thinly on surface and lightly press into soil

   • Keep soil moist until germination (10–20 days)

3. Transplant/Thin: Space seedlings 25–30 cm apart

4. Care: Protect young plants from frost; stake taller varieties if needed