Campanula seeds Rockery Mixed Seeds Ref: TM01402828 SowingSow late winter to mid spring or autumn at 16-18C (60-65F) on the surface of a good seed compost and gently firm down compost. Keep soil damp but not wet. Do not exclude light, sealing in a polythene bag after sowing is helpful. Germination usually takes 14-28 days.GrowingWhen seedlings are large enough to handle, transplant and grow on in cooler conditions, such as a coldframe. Later plant out 30-38cm (12-15in) apart.Aftercare Prefers in a sunny and ordinary well drained soil.FloweringSummercroppingPlant typeHardy Herbaceous Perennial Price: £2.99