Sprinkle spray them daily and keep the soil moist but not wet. Put some water in the stones base tray only. Feed it with special food depending on the type of tree 4 times a year. Trim gently to tempt it to grow in your desired direction , and this is the month to thin down excess leaves.
Do not sit it either in direct sunlight or in a dark place.
If the soil is very dry , but not often , totally submerg the pot to half way up in water for a few mins , taking care not to drown it . xxxxxx