Position in a full sun location and remember to water moderately. Keep in mind when planting that Osaka Purple is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Osaka Purple from seed
Sow 0.39 inches (1.0 cm) deep with a guideline distance of 7.02 inches (18.0 cm).
Transplanting Osaka Purple
Fall crop. Sow after midsummer. Does poorly when sown in spring.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Osaka Purple is a hardy plant.