Try to aim for a seed spacing of at least
11.7 inches (30.0 cm) and sow at a depth of around
0.0 inches (0.0 cm). Soil temperature should be kept higher than
13°C / 55°F to ensure good germination.
By our calculations, you should look at sowing Limerock Ruby about 45 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Limerock Ruby is a tender plant.
From Blooms of Bressingham. USPP#15455, CPBR#1597