Althaea Seeds - officinalis alba Ref: TM01402849 SowingSow from late winter to mid summer on the surface of a good seed compost. Make sure the compost is moist but not wet and seal inside a polythene bag until after germination which usually takes 15-40 days at 15-18C (60-65F). Do not exclude light which is beneficial to germination.GrowingTransplant the seedlings when large enough to handle into 7.5cm (3in) pots. Acclimatise to outdoor conditions for a few days and plant out in late spring or autumn 30cm (12in) apart.Aftercare Plant into ordinary, well-drained soil in a sunny spot. They can also be sown in mid summer, overwintered in a cold frame and planted out in spring. This produces large plants.FloweringSummercroppingPlant typeHardy Herbaceous Perennial Price: £1.99 Quantity: