Jun 14, Growing Lilac from Cuttings. Propagating lilac bushes from cuttings is tricky, but definitely not impossible. Take cuttings of lilac bushes from tender new growth in late spring or early summer. Mature growth is less likely to root. Take several cuttings to increase your chance of success.
Take cuttings in the morning when the weather is cool and the plant is. Oct 23, Water it mildly and create a hole where you can plant the cutting. You can use a stick or one of your fingers to create this planting hole. When you’ve done this, get a rooting hormone to stimulate root growth and dip the bottom of the cutting into it Estimated Reading Time: 5 mins.
May 23, Propagation by division is easiest if your lilac is providing shoots from the roots. Otherwise, growing from cuttings or layering are the next best options. Growing from seed is for patient, dedicated garden geeks (and I say this fondly). ~Melissa the Empress of Dirt ♛Estimated Reading Time: 8 mins.