Nasturtium majus Tom Thumb Mixed Seeds Ref: TM01401757 SowingSow in spring where they are to flower 20mm (¾in) deep in well cultivated soil in a sunny open site. Sow in rows 30cm (12in) apart and thin out to 23cm (9in) between plants. For earlier flowering they can be sown in early spring at a temperature of 13-16C (55-60F) and transplanted into 7.5cm (3in) pots.GrowingGradually acclimatise to outdoor conditions before planting out after all risk of frost. They flower most freely in poor dryish soils.Aftercare FloweringSummercroppingPlant typeHardy Annual Price: £1.89 Quantity: