Helianthus annuus Taiyo Seeds Ref: TM01402935 SowingSow spring to early summer outdoors where they are to flower. Prepare the ground well and rake to a fine tilth before sowing. Sow 12mm (½in) deep in rows 45cm (18in) apart.GrowingThey prefer a sunny open site but will grow in most sites and soils.Aftercare FloweringSummercroppingPlant typeHardy Annual Price: £2.09 Quantity: