Abstract
Although a Lilac, this member of the species is quite different in appearance than those with which gardeners are more familiar. Its upright habit varies from symmetrical to irregular but is more consistent than the species. Cultivars including `Ivory Silk' and `Summer Snow' could be used instead of the species due to the more consistent habit and more flowers. `Ivory Silk' grows well only in USDA hardiness zones 3 through six (perhaps into 7) and has an oval or pyramidal form when young but spreads to a rounded shape as it grows older. Original publication date November 1993.

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