How to grow Sweet william 'Annette'
Annette 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 Annette from seed
Transplanting Annette
Annette is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.
Harvesting Annette