How to grow Sweet william 'Admiral Crompton'
Keep in mind when planting that Admiral Crompton is thought of as hardy, so this plant will grow or become dormant during the winter.
Growing Admiral Crompton from seed
Transplanting Admiral Crompton
As Admiral Crompton is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Harvesting Admiral Crompton