Answer: Yes, you can take a sucker from a lilac and replant it; it will grow into a full size specimen. Just be sure to provide it with rich soil, and keep it well-watered until it gets established. In rare cases, in nursery-grown plants, the lilac branches may have been grafted onto another plant, privet. In this case, if the sucker came from the rootstock and not the lilac, you would get privet growing. But this is unlikely. The best time to do this transplanting is spring and fall, so go ahead and start your new bush!
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