Description
Start the seeds indoors from March-April.
Sow the seeds thinly on the surface of moist seed compost and lightly cover.
Keep at a temperature of 18-20c during the day and 10c at night until germination occurs.
Seeds will usually germinate within 1840 days.
Once seedlings are large enough to handle, transplant them into individual pots.
Gradually acclimatise the plants to outdoor conditions before planting out.
Plant out after the risk of frost has passed into their final flowering position.
Choose a sunny, well-drained site for best growth and flowering.
Space plants about 20-25 cm apart.
Water regularly during dry spells until established, but avoid waterlogging.
Deadhead spent flowers to encourage continued blooming throughout the season.
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