Aster chinensis Spider Chrysanthemum Mixed Seeds Ref: TM01407384 SowingSow February to April. Germinate at 20-30C (68-86F) on the surface of a good free draining, damp seed compost. Apply a fine sprinkling of vermiculite. Place in a propagator or seal container inside a polythene bag until after germination which usually takes 7-21 days. Do not exclude light at any stage, as this helps germination.GrowingTransplant seedlings when large enough to handle into trays or 7.5cm (3in) pots. Grow on in cooler, well lit conditions for 10-15 days before planting out after all risk of frost, 23-30cm (9-12in) apart.Aftercare Prefers a well drained soil in full sun.FloweringAll SummercroppingPlant typeHalf Hardy Annual Price: £1.99 Quantity: