Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that Purple Knight is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Purple Knight from seed
By our calculations, you should look at sowing Purple Knight about 63 days before your last frost date.
Transplanting Purple Knight
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Purple Knight is a hardy plant.