Watering:
Water your olive weekly or every time the top two inches of soil feel dry.
Fertilizer:
Use a balanced fertilizer that has nitrogen, phosphorus, and potassium in the ratio of 16-16-16 or something close.
Re-potting:
Repot every two to three years.
Temperature:
It requires a temperature between 15 to 20 degrees Celsius. The absolute maximum temperature can reach 40 degrees Celsius without causing damage, and the minimum should not fall below -7 degrees Celsius.