(Syringa reticulata) Perennial. Zones 4—9. Oleaceae (Olive) Family. Native range—Eastern Asia. Creamy white flowers with a classic lilac fragrance bloom in early Summer. Its flowers and bark are used in...

(Syringa villosa) Perennial. Zones 3 - 7. Oleaceae (Olive) Family. Native range—Eastern Asia. Flowers are less fragrant than other lilac varieties,  but its white to pink/purple blooms are still quite...