Optimum soil temperature for germination 23-28 C
Try to aim for a seed spacing of at least 2.11 feet (65.0 cm) and sow at a depth of around 0.39 inches (1.0 cm). Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.Maturity 16-18 weeks following transplant
http://www.terranovaseeds.com.au/site/downloads/cultural/Eggplant%20CN.pdf Cultural notes for eggplants
http://www.terranovaseeds.com.au/site/?cat=32 (for the Market Supreme variety)