Aubretia Seeds - Purple Cascade F1 Seeds Ref: TM01407167 SowingSow from late winter to early summer in a good free draining seed compost just covering the seed. Make sure the compost is moist and not wet and seal in a polythene bag until after germination which usually takes 14-21 days at 18C (65F).GrowingTransplant when large enough to handle into boxes and then 7.5cm (3in) pots. Later plant out 30cm (12in) apart into a well drained garden soil preferably containing lime, in a sunny site.Aftercare FloweringSpring to SummercroppingPlant typeHardy Herbaceous Perennial Price: £1.99 Quantity: