Sow at a depth of approx.
0.47 inches (1.2 cm) and aim for a distance of at least
3.12 inches (8.0 cm) between Cabbage plants. Soil temperature should be kept higher than
4°C / 39°F to ensure good germination.
By our calculations, you should look at sowing Ruby Ball F1 about 45 days before your last frost date.
As Ruby Ball F1 is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Ruby Ball, Ruby Ball F1 Hybrid, Ruby Ball Hybrid