Papaver paeoniflorum Black Paeony Seeds Ref: TM01402182 SowingSow from March to May outdoors where they are to flower. Prepare the ground well and rake to a fine tilth before sowing. Sow 1.5mm (1/16in) deep in rows 30cm (12in) apart. Germination usually takes approximately 21 days.<p>A sowing can also be made in late August/September for overwintering and flowering earlier the next season.GrowingWhen large enough to handle, thin out to 30cm (12in) apart. They prefer a hot, sunny, open site and free drained soil, but will grow in most sites and soils.Aftercare Remove seed pods before the seed is shed if you do not wish them to self seed.FloweringSummercroppingPlant typeHardy Annual Price: £1.99 Quantity: