Keep in mind when planting that Uetersen is thought of as hardy, so this plant will survive close to or on freezing temperatures. Uetersen requires a loamy soil with a ph of 5.5 - 7.0 - it grows best in weakly acidic soil to neutral soil.
Growing Uetersen from seed
As a hybrid variety, this plant will not reliably grow true to type from seed.
Transplanting Uetersen
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Uetersen is a hardy plant.