Mock orange Philadelphus coronarius 'Aureus' Photo/Illustration: Daryl Beyers 1 2 3 4 5 6 7 8 9 10 11 Mock orange (Philadelphus coronarius 'Aureus') fil-ah-DEL-fus kor-on-AR-ee-us Genus: Philadelphus Mock orange is an upright, deciduous shrub grown for its very fragrant, creamy white flowers that bloom in early summer. 'Aureus' has golden yellow leaves in spring that turn yellow-green in summer. Use in a shrub border or woodland garden. Noteworthy Characteristics: Golden-yellow leaves in spring. Very fragrant flowers. Care: Provide moderately fertile, well-drained soil in full sun or part shade. Prune after flowering by cutting back flowering shoots to strong buds. On older plants, one-third to one-fifth of old shoots may be cut back to the base. Propagation: Softwood cuttings in summer or hardwood cuttings in autumn or winter. Problems: Scale insects, rust, gray mold, powdery mildew, and fungal spots are common. Overview Height 6 ft. to 10 ft. Spread 6 ft. to 10 ft. Growth Habit Clumps Growth Pace Moderate Grower Light Full Sun to Part Shade Moisture Medium Moisture Maintenance Moderate Characteristics Fragrant Flowers, Showy Flowers Bloom Time Early Summer, Summer Flower Color White Uses Beds and Borders, Screening, Specimen Plant/Focal Point Style Woodland Garden Seasonal Interest Spring Interest Type Shrubs Philadelphus coronarius 'Aureus'View the discussion thread.