Try to aim for a seed spacing of at least
11.7 inches (30.0 cm) and sow at a depth of around
0.47 inches (1.2 cm). Soil temperature should be kept higher than
4°C / 39°F to ensure good germination.
By our calculations, you should look at sowing Savoy about 21 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Savoy is a hardy plant.
By our calculations, you should look at planting out Savoy about 21 days before your last frost date.