Lilac is a perennial deciduous shrub of Syringa in the Oleaceae family. It is native to the rocky hills of the Balkan Peninsula. In spring, it produces a lovely, romantic cluster of flowers. Lilac flowers are delicate and come in various colors, from pink and white to blue and purple. Besides being the perfect spring garden shrub, it also provides fresh-cut flowers. Most importantly, the lilac’s floral fragrance is one of the most unforgettable scents in the plant world.