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The lilac is a very popular ornamental plant in gardens and parks because of its attractive, sweet-smelling flowers, which appear in early summer just before many of the roses and other summer flowers come into bloom. [18] In late summer, lilacs can be attacked by powdery mildew, specifically Erysiphe syringae, one of the Erysiphaceae. [19]
Lilacs grow most successfully in well-drained soils, particularly those based on chalk. [20] They flower on old wood, and produce more flowers if unpruned. If pruned, the plant responds by producing fast-growing young vegetative growth with no flowers, in an attempt to restore the removed branches. Lilac bushes can be prone to powdery mildew ...
Different pruning techniques may be used on herbaceous plants than those used on perennial woody plants. Reasons to prune plants include deadwood removal, shaping (by controlling or redirecting growth), improving or sustaining health, reducing risk from falling branches, preparing nursery specimens for transplanting, and both harvesting and ...
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The name refers to the multiple shaped leaves on this lilac, one big leaf alongside two or three smaller leaves. [3] Panicles are fragrant, and are white to pale pink. S. × diversifolia flowers relatively early in comparison to other lilacs, often flowering mid-April at Kew, while most other lilacs flower in May. [4]
Powdery mildew of lilac leaves an opaque-white discoloration on the leaves of S. vulgaris. This process is predominant at the end of the season but can begin to take place during new growth. [ 7 ] Eventually the fungal pathogen contributes to the damaging and early senescing of the infected leaves.
Syringa × laciniata, the cut-leaf lilac or cutleaf lilac, is a hybrid lilac of unknown, though old origin. It is thought to be a hybrid between Syringa vulgaris from southeastern Europe and Syringa protolaciniata from western China . [ 1 ]
Growing to 6 m (20 ft) tall and broad, it is a substantial deciduous shrub with green leaves felted white beneath, and panicles of heavily scented, white-throated lilac flowers in early summer. [2] [3] [4] The Latin specific epithet pubescens means "downy", referring to the texture of the leaves. [5]