Matthiola incana Tudor Tapestry Seeds Ref: TM01406796 SowingGerminate from February to April at 15C (60F) on the surface of a good free draining, damp seed compost, but do not exclude light, which is beneficial to germination. Apply a layer of vermiculite, 6mm (¼in) deep. Place in a propagator or seal container inside a polythene bag until after germination which usually takes 10-21 days.<p>PLEASE NOTE: Plants can be selected for doubleness. After germination, reduce the temperature and the seedlings will change colour. Only the yellow-green/palest seedlings will produce double flowers, simply discard others and you will result in 100% double seedlings.GrowingTransplant seedlings, when large enough to handle into trays or 7.5cm (3in) pots. Grow on in cooler conditions for at least 14 days before planting out. Plant outside after all risk of frost, 30cm (12in) apart, or grow in 7.5cm (3in) pots indoors.Aftercare FloweringEarly to late SummercroppingPlant typeHalf-hardy Annual Price: £2.09 Quantity: