Start seeds indoors six weeks before last frost date.
Try to aim for a seed spacing of at least 0.78 inches (2.0 cm) and sow at a depth of around 0.78 inches (2.0 cm). Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.By our calculations, you should look at sowing Black ruffles about 42 days before your last frost date.
Plant to the first set of true leaves to promote strong root growth.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black ruffles is a tender plant.William Woys Weaver, experimented for years with this fantastic tomato cross of Black Krim and Zapotec Pink Pleated. After several seasons he stabilized it and shared the seeds.
Tim’s black ruffles