How to grow Sweet william 'Leuchtkugel'
Keep in mind when planting that Leuchtkugel is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Leuchtkugel from seed
Transplanting Leuchtkugel
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Leuchtkugel is a hardy plant.
Harvesting Leuchtkugel