Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that Red Emperor is thought of as hardy, so this plant will survive close to or on freezing temperatures. A soil ph of between 5.5 and 7.0 is ideal for Red Emperor as it does best in weakly acidic soil - neutral soil.
Growing Red Emperor from seed
By our calculations, you should look at sowing Red Emperor about 63 days before your last frost date.
Transplanting Red Emperor
As Red Emperor is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.