Sweet Mockorange (Philadelphus coronarius)
Sweet Mockorange (Philadelphus coronarius), Deciduous, early summer-flowering shrub Description: Arching branches bear racemes of richly scented cup-shaped, pure white flowers in profusion; finely toothed, bright green foliage Habit: Grows to 10 feet high and 8 feet wide Culture: Prefers moderately fertile, well-drained soil and full sun to light shade; suitable for dry soils Hardiness: USDA Zones 5 through 8 Origin: Europe Attributes: Fragrant flowers, drought tolerant Jefferson-documented This strong-growing, medium-sized shrub has long been in cultivation, since at least the sixteenth century, and is the most commonly known species. Its origins are obscure but it is believed to be native to Northern Italy, Austria, and Central Romania. Thomas Jefferson's Garden Book entry on April 19, 1807 notes: "planted 9 Philadelphus coronarius, Mock orange in the 4 circular beds of shrubs at the 4 corners of the house".