To encourage bushiness pinch back the stems. Water when the top couple of inches of soil are dry and keep slightly dryer in winter.
Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Aquarelle is thought of as tender, so it is really important to ensure that the outside temperature is well above freezing before planting or moving outdoors.1 gardeningknowhow.com/houseplants/persian-shield/growing-persian-shield-indoors.htm