Matthiola bicornis Night Scented Stock Seeds Ref: TM01401910 SowingSow early spring to early summer outdoors where they are to flower. Prepare the ground well and rake to a fine tilth before sowing, but do not exclude light, which is beneficial to germination. Sow 6mm (¼in) deep in rows 30cm (12in) apart.GrowingWhen large enough to handle thin out to 8cm (3in) apart. They prefer a sunny open site but will grow in most sites and soils.Aftercare FloweringSummercroppingPlant typeHardy Annual Price: £1.49 Quantity: