Can tolerate periods of drought, but prefers good watering during hot, dry weather. Avoid planting in an area with grass directly underneath, as the regular watering can be too much for them. Learn how to plant, grow , and prune your lilacs, one of the most carefree spring-flowering shrubs and provide a sweet, haunting fragrance, too! Common lilacs tend to sucker. Can handle frigid weather but prefers a cool, moderate temperature. Theyll also benefit from good air circulation to help prevent powdery mildew. · the growing habit of lilacs is rangy and straggly, and it is even more so in low sun conditions. Make sure they receive at least 6 hours of sunlight daily. Plant in full sun in a loamy, somewha t moist soil. Promptly remove root suckers to maintain a neat appearance and prevent unwanted colonial spread. · beautiful, fragrant lilacs are a beloved addition to gardens in most garden zones. The sweetly scented flowers attract butterflies and hummingbirds to the garden. But knowing where to plant them, how to care for them, and how to prune lilacs is critical for getting the most out of these pretty plants. Learn how to grow this timeless classic. · grow lilacs in an area with well-drained soil. For the best blooms and most robust growth, plant lilacs in full sun or a location with at least six hours of sunlight per day. Benefits from a good pruning. · fragrant, floriferous, and easily cultivated, lilacs are a favorite in the garden and for cut flowers. · here are the main care requirements for growing common lilacs: