Smart Pots vs Air Pots vs Regular Pots Grow Weed Easy Prune lavender in spring or in late summer autumn. , Im using an old hand trimmer, still available from various suppliers you can also use scissors. * More useful content about lavender is Philodendron Burle Marx Variegated 305 Greenery, Inc. Monstera Adansonii Mint Variegated Variegated Monstera Rare Plants Monstera Cuttings Propagation Nodes Top Notch Guide on Plants that Repel Snakes Naturally