If growing them from seeds the seedlings should be cut back half their height when transplanting. Old leggy shrubs can be renewed by cutting them back to the ground.1
These estimates for how long Sweet gale takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Sweetgale, Saw Myrtle
Myrica gale L.
1 Book Herbs and Spices for Florida Gardens