Dianthus Seeds nanus giganteus Magic Charms F1 Hybrid Seeds Ref: TM01407379 SowingSow February to May or September to October. Sow outdoors where they are to flower. Prepare the ground well and rake to a fine tilth before sowing. Sow 6mm (¼in) deep, in rows 30cm (12in) apart.<p>Alternatively, sow in late summer in 7.5cm (3in) pots in a cool greenhouse and then overwinter plants in cool, well lit conditions. Plant out the following spring after all risk of frost, 30cm (12in) apart in full sun.GrowingWhen large enough to handle, thin out seedlings to 15cm (6in) apart.Aftercare Prefers any well drained soil in full sun.FloweringSummercroppingPlant typeHardy Annual Price: £2.49 Quantity: