Dear Master Gardener: Can a dwarf Korean lilac be purchased in tree form?
Fortunately for us, there are a handful of dwarf lilac varieties that are well-suited for pot growing and will only reach four or five feet in height. For example, the Korean lilac, or Syringa ...
Persian Lilac (Syringa persica): Generally smaller, with pale lilac to white flowers. Dwarf Korean Lilac (Syringa meyeri 'Palibin'): Compact, suitable for small spaces, and highly fragrant.