do lilac bushes grow good in clay soil?
The short answer is no, lilacs like a well drained organic soil and will not grow well in clay soils. The addition of organic matter over time can lessen the low oxygen/drainage affects but it is a slow process. Some plants will grow in clay soil however. Here is more info: http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/Factsheets/Clay%20Soils%...