Keep in mind when planting that Milk and Honey is thought of as very hardy, so this plant will tend to go dormant over the long winter months.
Try to ensure a gap of at least
11.89 inches (30.48 cm) when sowing to prevent overcrowding your seedlings.
By our calculations, you should look at sowing Milk and Honey about 56 days before your last frost date.
As Milk and Honey is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.