Days to Germination:10-14 days
Campanula medium calycanthema. Canterbury Bells should be started indoors at least 6 to 8 weeks before transplanting outside after all danger of frost has passed. Sow seeds on top of the soil mix, leaving the seeds uncovered but pressed onto the soil surface, as light is needed for germination. Provide even moisture and strong light during germination. Prepare a garden bed that is in full to partial sunlight with rich, well-draining soil. Harden the plants off by gradually acclimating them to outside conditions over 1 to 2 weeks. Carefully transplant the seedlings, planting them 8" to 12" apart. To encourage branching and flower production, pinch back the young plants. This cottage garden favorite is also a wonderful cutting flower. Summer flowering. Height: 24" to 36".