Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that King George V is thought of as hardy, so this plant will survive close to or on freezing temperatures. King George V tends to grow best in a soil ph of between 5.5 and 7.0 meaning it does best in weakly acidic soil - neutral soil.
Growing King George V from seed
By our calculations, you should look at sowing King George V about 63 days before your last frost date.
Transplanting King George V
Ensure that temperatures are mild and all chance of frost has passed before planting out, as King George V is a hardy plant.