Dianthus plumaris Ipswich Pinks Mixed Seeds Ref: TM01403103 SowingSow in good free draining seed sowing compost from February to late June just covering the seed with compost. Germination takes 7-14 days at 18-20C (65-70F), after which the temperature should be dropped to 13-18C (55-60F).GrowingWhen large enough to handle transplant the seedlings to boxes or 7.5cm (3in) pots, grow well ventilated and well lit. When well rooted in their pots, gradually acclimatise to outdoor conditions and plant out 30cm (12in) apart in full sun and well-drained soil.Aftercare Ideal for beds, borders rockeries, walls, containers etc. They prefer limey or neutral soils and with an acid soil a dusting of lime should be added to the soil at planting time. After flowering has finished, remove the old flower stems, water the soil well and apply a high potash fertiliser.FloweringEarly SummercroppingPlant typeHardy Herbaceous Perennial Price: £2.99 Quantity: