Campanula seeds medium Canterbury Bells Mixed Seeds Ref: TM01402830 SowingSow in late spring/early summer outdoors in a well prepared seed bed. Sow the seeds very thinly in drills 6mm (¼in) deep, 15cm (6in) apart.GrowingTransplant the seedlings before they become crowded 15cm (6in) apart into a reserve border for the summer. Plant out 38cm (15in) apart where they are to flower.Aftercare For a greenhouse display in the summer pot up a few plants into 8in pots in the autumn and place in a coldframe or slightly heated greenhouse for the winter.FloweringMid-SummercroppingPlant typeHardy Biennial Price: £1.69 Quantity: