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