Citronella is the most widely recognized organic insect repellent. It is used in sprays, soaps, candles and other mosquito repellent products. What, exactly is Citronella? Citronella is a tall, blue-green, lemon-scented perennial grass which grows to 3 to 5 feet tall. The leaves are used to make citronella oil. When the grass is 2.5 – 3 months old it [...]