Best Sowing Time (North India): September–October
Best Sowing Time (South India): October–November
Temperature: 18–26°C for germination
Soil: Well-draining, moderately fertile loamy soil
Sunlight: Full sun (6+ hours)
Watering: Regular; water at base. Do not let soil dry completely.
Spacing: 20–30 cm apart
Germination Time: 7–14 days (seeds are tiny — press onto moist soil surface; do not cover)
Tip: Do not cover seeds — they need light to germinate. Start indoors 8–10 weeks before transplanting. Pinch tips regularly for bushy, well-branched plants. Deadhead spent blooms for continuous flowering all winter.