Start indoors
Try to aim for a seed spacing of at least 9.75 inches (25.0 cm) and sow at a depth of around 0.39 inches (1.0 cm). Soil temperature should be kept higher than 18°C / 64°F to ensure good germination.By our calculations, you should look at sowing China Choy about 14 days before your last frost date.
This variety produces 14-18 inch stalks.