Lilac
Lilac: Sowing, planting and harvest calendar
Common lilac, Syringa vulgaris, is a deciduous shrub in the olive family, native to the Balkan Peninsula. Other lilacs belong to the same genus, but this species is familiar for its large fragrant flower clusters in European gardens. Numerous cultivars differ in colour, density and whether the flowers are single or double. This diversity still belongs to a seasonal shrub rather than a plant with the same flowering display throughout the year.The plant develops several woody stems and an upright crown that broadens with age. Common lilac can reach several metres in both height and width. Shoots sometimes arise from the base and contribute to an expanding clump. Its volume consequently matters as much as its flowers in a garden. It can act as a specimen, a background to a border or part of an informal hedge, with enough space for its mature outline.The simple leaves stand in opposite pairs…