Try to plant in a location that enjoys full sun and remember to water moderately. Charming is generally regarded as a hardy plant, 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 Charming from seed
By our calculations, you should look at sowing Charming about 56 days before your last frost date.
Transplanting Charming
Charming is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.