Chinese Lilac 'Lilac Sunday' (Syringa × chinensis 'Lilac Sunday') is a fragrant hybrid (S. persica × S. vulgaris) producing slightly nodding light-purple flower clusters to 6 inches long in midseason. Forms a spreading shrub 12 feet tall and wide with good disease resistance.
Reasonably fertile, well-drained soil in full sun; prefers neutral to slightly alkaline soil. Deadhead promptly. Prune lightly in late winter or early spring. Good air circulation. Fire retardant. Requires chilling dormancy. Propagate by softwood cuttings or layer in early summer, graft in winter, bud in summer. Watch for powdery mildew, dieback, leafroll virus, MLO, root knot nematode, Verticillium wilt, witches' broom, bacterial leaf spot, anthracnose, borers, scale, caterpillars.
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