For a lot of us northern gardeners, lilacs are landscape essentials we can’t live without. Until their delicious fragrance permeates our yards and homes, spring is incomplete. Reliable and low-maintenance, lilacs can flourish for decades with very little care. By planting several types of lilacs, from early bloomers to late-blooming types, you can prolong your bloom party by several weeks. All it takes is good site selection, proper water and fertilizer, and timely pruning to keep lilacs at their blooming peak.