Sow
0.25 inches (0.64 cm) deep with a guideline distance of
3.96 feet (1.22 metres).
By our calculations, you should look at sowing Château de Clos-Vougeot about 35 days before your last frost date.
Château de Clos-Vougeot is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.