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How to prune for better branching on lilacs
Cut lilacs down to 6 to 12 inches and clear grass around them so new shoots form near the base, extension experts said.
Don Kinzler, NDSU Extension-Cass County, advises gardeners to prune young Lilacs down to 6 to 12 inches above the ground to encourage base-level branching and fuller growth.
Grass acts as a heavy consumer of soil fertility, often leaving Lilacs with only leftovers; Kinzler suggests using weed barrier fabric and shredded wood mulch to eliminate competition.
While spring is the preferred season for rejuvenation pruning, Lilacs are tough enough to handle the procedure now, though doing so involves higher-risk cutting with greater chance of stress.
Addressing common tomato concerns, Kinzler notes that physiological leaf roll—rolled leaves caused by temperature and moisture stress—does not affect fruit quality or yield despite causing alarm.
Regarding rabbit proliferation reported this year, members of Facebook gardening groups suggest Fencing remains the most reliable deterrent, though scent-based repellents like Plantskydd, Liquid Fence, and Repellex offer successful alternatives.