Lighting: Place the jasmine in an area of the home where it will receive at least four hours of bright, indirect sunlight. If this isn’t possible, place it 12 inches beneath grow lights for 14 to 16 hours a day. This amount of light is especially important in the winter.
Temperature: Regulate the temperature in the area in which you grow the indoor jasmine so that it remains between 68 and 72 degrees Fahrenheit in the daytime and between 50 to 55 degrees at night. Decrease the evening temperature to between 33 and 55 degrees in fall and winter. The jasmine requires these cool temperatures to set buds for the following season.
Watering: Water the jasmine plant when the soil appears dry on the surface. In fall and winter, only water when the soil is dry.
Fertilizer: Fertilize the jasmine once a month during spring and summer with a 5-10-5 or 7-9-5 fertilizer, diluted to half the strength recommended on the label.
Pruning: Prune the jasmine plant immediately after it flowers, cutting it back to the size you desire. Jasmine plants tolerate heavy pruning.
Potting: Re-pot the jasmine only after it flowers to avoid disrupting next season’s blooming period. Re-pot into the next size larger container and use a standard commercial potting mix that is well-drained.