Philadelphus schrenkii, commonly called mock orange, is a dense, upright, multi-stemmed deciduous shrub native to mixed forests in eastern Siberia, northeastern China, and Korea. Hardy in zones 5 through 8, it grows 4 to 6 feet tall and wide (occasionally taller) and is prized for its abundant, very fragrant creamy white 4-petaled flowers that blanket the plant in May and June. The 1.5-inch flowers appear in small clusters of 5 to 7 blooms and make exceptional cut flowers, while the shrub's low maintenance needs and remarkable tolerance for clay, shallow-rocky, and dry soils make it equally at home in formal landscapes or naturalized settings.
Partial Sun
Moderate
5-8
72in H x 72in W
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Moderate
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Dense clusters of intensely fragrant creamy white flowers emerge in late spring and create a spectacular, sweetly scented display that stops you in your tracks. This shrub laughs at tough growing conditions, thriving in clay and shallow soils where other plants struggle, and it handles drought once established without complaint. Butterflies arrive readily, deer leave it alone, and the low-maintenance habit means you'll spend your time enjoying the blooms rather than fussing with the plant.
Mock orange serves primarily as an ornamental landscape shrub, especially valued for creating fragrant hedges that provide a living screen while filling the garden with intoxicating spring perfume. The flowers are excellent as fresh cut arrangements, allowing you to bring that heady fragrance indoors and enjoy it for several days. Its dense growth habit and deer resistance make it practical for screening purposes while its moderate size and drought tolerance allow use in mixed borders, cottage gardens, and naturalized woodland edges.
No timeline data available yet for this variety.
Prune immediately after the spring bloom ends, since flowers develop on the prior year's growth and pruning too late will sacrifice next year's flowers. For general tidiness, remove dead or crossing branches and thin crowded stems to improve air circulation. If the shrub becomes scraggly or overgrown, it responds well to rejuvenation pruning: cut stems to the ground right after flowering finishes and the plant will grow back full and vigorous.
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“Mock oranges belong to a genus of about 40 species native across a vast range from Eastern Europe to the Himalayas, East Asia, and the Americas. The genus name Philadelphus comes from the Greek word meaning 'loving one's brother or sister,' though some scholars attribute it to Ptolemy Philadelphus, a king of the third century B.C. The common name 'mock orange' refers to the sweetly fragrant flowers that evoke orange blossoms, earning this shrub a cherished place in gardens for centuries. Philadelphus schrenkii specifically hails from the cool forests of the Far East, where it evolved the cold hardiness that makes it reliable even in northern gardens.”