Wait until the flowers die off.

Mine are blooming on new growth.

I can speak only for myself concerning pruning. I prune to remove faded blooms as they finish blooming. I will also remove all the dead stems and leaves and cut off some of those long stems to encourage new growth. Trimming too late in season and those tender new leaves and stems will not be 'hardened' enough to endure the cold weather coming up in December and January.

Good luck on your pruning and enjoy your Lavender.

{{gwi:68416}}

Thanks for the advise. I guess I should give them a little more attention.

Kay