Try to plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that Clown is thought of as very hardy, so this plant will tend to survive through freezing conditions.
Growing Clown from seed
By our calculations, you should look at sowing Clown about 49 days before your last frost date.
Transplanting Clown
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Clown is a very hardy plant.