Plant in a location that enjoys full sun and remember to water moderately. Lady in Red tends to grow best in a soil ph of between 6.1 and 7.8 meaning it does best in weakly acidic soil - weakly alkaline soil.
Growing Lady in Red from seed
Cover the seeds very lightly. Self-sows freely. To control unwanted seedlings deadhead.
By our calculations, you should look at sowing Lady in Red about 84 days before your last frost date.