How to prune french lavender

After main flowering flush; deadhead continuously through the blooming season. Snip off spent flower spikes as they fade. After the main flush, trim the entire plant lightly — cutting back soft growth by up to one-quarter to one-third to maintain a compact shape.

Continuous deadheading; one moderate shaping trim annually. French lavender (Lavandula dentata) is a tender, long-flowering shrub that benefits from regular light pruning to stay bushy. Deadhead spent flower spikes throughout the season and give the whole plant a moderate trim after the main flush. Avoid hard pruning into old wood — it rarely regenerates from leafless stems.

Snip off spent flower spikes as they fade. After the main flush, trim the entire plant lightly — cutting back soft growth by up to one-quarter to one-third to maintain a compact shape.