By our calculations, you should look at sowing Jaune du Doubs about 14 days before your last frost date.
Named after the French town of Doubs.
A native rustic vareity, originally only just foraged from the wild, but now prized for it’s culinary quality.
Jan du Doubs, Jaune de Doubs, Jaune des Doubs, Jaune do Doubs, Jane du Doubs, Juan du Doubs, Jaune Doubs
Yellow Intermediate, Gele Stompe van Doubs