Mock Orange Plant Care

Mock Orange (Philadelphus coronarius) belongs to the Hydrangeaceae family within the Philadelphus genus. Mock Orange is native to the Caucasus and northeastern Turkey. Mock Orange is also known as Sweet Mock Orange, False Syringa, Syringa.

Mock Orange displays an upright, arching shrub growth habit, reaching up to 8 inches tall with a spread of approximately 6 inches. Mock Orange produces fragrant white or cream flowers in clusters.

Leaf size: approximately 4 inches.

Philadelphus coronarius requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Mock Orange thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Mock Orange in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Philadelphus coronarius grows best at temperatures between 50°F and 80°F. Mock Orange prefers humidity levels of 40–70%.

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Mock Orange to prevent waterlogging, which leads to root rot and fungal issues.

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Mock Orange can be propagated through softwood cuttings, hardwood cuttings.

Mock Orange is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Mock Orange grows outdoors in USDA Zone 12a. Native to the Caucasus and northeastern Turkey, Mock Orange is adapted to warm climates. In cooler regions, grow Mock Orange as a houseplant or bring it indoors before the first frost.