Citronella Geranium / Mosquito Plant

Light

Citronella plants are light-lovers, so make sure to place them in a sunny spot. Pangborn says they should receive six hours of full sunlight per day to grow healthy and strong. 

Water

This plant is very susceptible to overwatering. As a rule, only water citronella when the soil feels about 75 percent dry. If watering a pot, pour enough water so that it trickles out of the drainage hole, then stop. "If you are using a saucer under the pot, make sure you dump out any water, since citronella does not like wet feet,"