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| Sowing depth: | 1/8in |
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Sow 3mm (1/8in) deep in spring at 21-24C (70-74F) in a good seed compost. Keep soil damp but not wet, sealing in a polythene bag after sowing is helpful. Germination usually takes 5-10 days.
When seedlings are large enough to handle, transplant and grow on in cooler conditions. Gradually acclimatise to outdoor conditions for 10-15 days before planting out after all risk of frost 45cm (18in) apart in a sunny spot on light well drained soil. For pot plants, transplant seedlings into 7.5cm (3in) pots, grow cool, well ventilated and give plenty of light, but shade from direct sun.