Keep in mind when planting that Purple de Jesi is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Ensure your soil is loamy and sandy and has a ph of between 5.6 and 6.6 as Globe artichoke is a weakly acidic soil loving plant.
Try to ensure a gap of at least
1.95 feet (60.0 cm) when sowing to prevent overcrowding your seedlings. Soil temperature should be kept higher than
18°C / 64°F to ensure good germination.
By our calculations, you should look at sowing Purple de Jesi about 48 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Purple de Jesi is a half hardy plant.