= Water twice per month or less, once established.
= Water about once per week, once established.
= Water about twice per week, once established.
= Water three days per week, or more.
Use the plant water needs as a guideline. Actual plant water needs will vary for several reasons, including weather conditions, soil type, sun exposure, root depth, wind and elevation. Adjust your watering schedule as needed to meet the plants' needs at your site. Water recent transplants more often than established plants.
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Syringa x persica
very low
purple
May through early June
4 to 8 ft.
5 to 10 ft.
No
one parent (S. afghanica) is native to Afghanistan; the other (S. laciniata) is native to northwestern China
sun
USDA zones 3-7
not specified
Persian lilac is an older hybrid that was extensively planted because of its ability to tolerate adverse growing conditions. Being able to withstand heat and drought, it was a favorite of many landscapers before some of the newer lilac cultivars were developed.
It grows into a large, upright shrub with dark green leaves. In late May, it produces pyramid-shaped clusters of divinely fragrant lavender blossoms. Many people report that Persian lilac has one of the best scents of all lilacs. It is a very good choice where resilient shrub is needed and there is ample space for its mature size.
Persian lilac has been a long-lived, drought-tolerant shrub at the Xeriscape Demonstration Garden. The flowers are beautiful when in bloom and are wonderfully fragrant.
Persian lilac is susceptible to powdery mildew in late summer. Although it creates a white coating on the leaves, the powdery mildew doesn't seem to injure the shrub.
Prune out dead or damaged branches at any time.
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