lilac

PROPER TIMING FOR PRUNING FLOWERING PLANTS

Suggested Pruning Time for Common Flowering Trees, Shrubs, & Vines Spring-Flowering Plants: Plants that bloom in early spring usually produce their flower buds the year before. The buds over-winter on the previous year’s growth and open in spring. Prune after flowering: Alternate-leaf Butterfly-bush (Buddleia alternifolia) Azalea (Rhododendron species) Beautybush (Kolkwitzia amabilis) Bigleaf Hydrangea (Hydrangea macrophylla)