Keep in mind when planting that Royal Lee is thought of as hardy, so Royal Lee will tend to go dormant or grow slowly over the winter months. Ensure your soil has a ph of between 6.5 and 7.8 as Royal Lee is a weakly acidic soil - weakly alkaline soil loving plant.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Royal Lee is a hardy plant.
US Plant Patent # 12472 – Zaiger