Do you need to mulch lilac bushes in the winter?
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https://www.gardeningknowhow.com/ornamental/shrubs/lilac/winterizing-lilac-shrubs.htm
this depends on where you live. In New England, I cover the roots with cedar chips
No. They are totally hardy
https://www.gardeningknowhow.com/ornamental/shrubs/lilac/winterizing-lilac-shrubs.htm
i never have....they are actually a bush for the colder zones. Zones 3,4,5,6,7, are thier usual hang outs. Plant breeders have been developing warmer weather lilacs. Always check the type of lilac you are purchasing, not just the name of the bush.
No you don't
Nope