Answer: Yes, the lilac hedge you've read about is the same as the lilac bush or tree. Hedge just means they are planting these close together. You can transplant your own lilac suckers from the existing plant this spring and create your own hedge. Just keep it annually trimmed (after flowering) to the desired height and they should fill in well. You can also try the 'Miss Kim' lilac, which has slightly different flowers and leaves form the common lilac, but grows naturally much shorter.
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