campanula flower seeds Canterbury Bells – Pinetree Garden Seeds

campanula flower seeds Canterbury Bells – Pinetree Garden SeedsThis biennial grows to a height of 2 3 feet. Blooms are 2" double bells that look like cups and saucers and come in shades of white, pink, blue, and lavender. 100 seeds PLANTING Campanula medium Biennial, zone 4 9 Germination: 7 21 days Germination Temperature: Optimum soil temperatures 70 75F Seed Planting Depth: Sow on the surface and press into soil, seeds need light to germinate. Starting Indoors: Start indoors 8 10 weeks before the last frost.

This biennial grows to a height of 2-3 feet. Blooms are 2" double bells that look like cups and saucers and come in shades of white, pink, blue, and lavender. 

100 seeds 

PLANTING

Campanula medium

Biennial, zone 4-9

Germination: 7-21 days

Germination Temperature: Optimum soil temperatures 70-75ºF

Seed Planting Depth: Sow on the surface and press into soil, seeds need light to germinate.

Starting Indoors:  Start indoors 8-10 weeks before the last frost. Provide 70-75ºF soil temperature for germination. Transplant after the last frost, 15-20” apart

Sowing Outdoors: Direct sow late spring into early summer or in the fall. Sow 3-4 seeds 15-20” apart.

Growth Habit: Upright, clumps

Height and Width: 24-36” x 12-18”  

Spacing: 15-20” apart

Light Needs: Full sun to part sun

Soil Needs: Fertile, moist well-drained 

Approximate days to flower from seed: Blooms in the second

Uses: Flower beds, cottage gardens, cut flowers, deer resistant, attracts pollinators 

Care: Water seedlings regularly until established. Amend soil with compost before transplanting. Deadhead to prolong blooming. May require staking for support. Cut back after flowering if you don’t want it to self-seed