Pruning lavender in spring: The care guide for maximum flower yield. As of: February 27, 2024, 8:00 a.m By: Ines Alms CommentsSplit Cutting lavender promotes bushy growth and prevents the plant from becoming bald.

But cutting too early risks frost damage to the shrub. The best time to plant new lavender is after the Ice Saints in mid-May. Compost and fertilizer are not necessary and can actually weaken the frugal plant and reduce flowering.