Petunia x hybrida Storm Mixed F1 Ref: TM01403244 SowingSow from February to April at 21-27C (70-80F) on the surface of a good seed compost and gently firm down. Keep soil moist but not wet. Do not exclude light, sealing in a polythene bag after sowing is helpful. Germination usually takes 10-21 days.GrowingWhen seedlings are large enough to handle, transplant into 7.5cm (3in) pots and grow on in cooler conditions and shade from strong sun. Gradually acclimatise to outdoor conditions for 10-15 days before planting out in May-June, after all risk of frost, 30cm (12in) apart in a sunny spot on light well drained soil.Aftercare In dry weather, water until well established. For window boxes, baskets and containers plant up in May and grow on in good light, to allow them to become well established before hardening off and moving outside.FloweringSummercroppingPlant typeHalf-hardy Annual Price: £2.99 Quantity: