Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Dart's Papillon Blue is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea).
Growing Dart's Papillon Blue from seed
By our calculations, you should look at sowing Dart's Papillon Blue about 56 days before your last frost date.
Transplanting Dart's Papillon Blue
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Dart's Papillon Blue is a hardy plant.