Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Ena Harkness, Cl. is thought of as hardy, so this plant will survive close to or on freezing temperatures. Ena Harkness, Cl. needs a loamy soil with a ph of 5.5 to 6.5 (weakly acidic soil).
Growing Ena Harkness, Cl. from seed
As a hybrid variety, this plant will not reliably grow true to type from seed.
Transplanting Ena Harkness, Cl.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Ena Harkness, Cl. is a hardy plant.