Tagetes tenuifolia Lemon Gem Ref: TM01401588 SowingSow in spring at 21-24C (70-75F) in a good seed compost. Just cover the seed with compost and keep the soil damp but not wet. Germination usually takes 5-14 days.<p>They can also be sown out of doors 6mm (¼in) deep in well raked soil in late spring.GrowingWhen seedlings are large enough to handle, transplant and grow in cooler conditions. Gradually acclimatise to outdoor conditions for 10-15 days before planting out after all risk of frost 23-30cm (9-12in) apart in a sunny spot.Aftercare FloweringcroppingPlant typeHalf-hardy Annual Price: £1.69 Quantity: