Campanula seeds lactiflora Seeds Ref: TM01408954 SowingSow in spring or late summer at 16-21C (60-70P) on the surface of a good seed compost and gently firm down. 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, gradually acclimatise to outdoor conditions for 10-15 days before planting out in spring or autumn, 38-45cm (15-18in) apart in good well drained soil, sun or part shade.Aftercare FloweringSummercroppingPlant typeHardy Herbaceous Perennial Price: £2.46 Quantity: