Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that White Ball is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing White Ball from seed
By our calculations, you should look at sowing White Ball about 56 days before your last frost date.
Transplanting White Ball
As White Ball is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.