Clarkia Seeds - pulchella Confetti Mixed Seeds Ref: TM01404084 SowingSow April to May. Sow outdoors where they are to flower. Prepare the ground well and rake to a fine tilth before sowing. Sow 6mm (¼ inch) deep, in rows 30cm (12 inches) apart.<p> For spring/summer flowering pot plants Sow in a cool greenhouse or conservatory in late summer/early autumn. Grow on cool in full light and water sparingly.</p>GrowingWhen large enough to handle, thin out seedlings to 15cm (6 inches) apart.Aftercare FloweringSummercroppingPlant typeHardy Annual Price: £1.29 Quantity: