Pick the flowers regularly and don’t allow the seeds to set as this will bring on more flower buds
Position in a partial sun location and remember to water moderately. Keep in mind when planting that Empress of India is thought of as hardy, so Empress of India will tend to go dormant or grow slowly over the winter months. Empress of India needs a loamy, sandy and clay soil with a ph of 6.1 to 7.8 (weakly acidic soil to weakly alkaline soil).If you soak the seeds in a glass of water overnight, before sowing them, they germinate a lot better!
The seeds are large enough to plant individually at the correct distance
By our calculations, you should look at sowing Empress of India about 14 days before your last frost date.
Sunny, well drained, poor soil conditions give more flowers an less leaves
As the seedlings develop, thin to achieve a final spacing of 25cm.