How to Prune Zahn's gromwell?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.
Zahn's gromwell · Pruning
Zahn's gromwell · Lithodora zahnii
Grow in well-drained, preferably alkaline to neutral soil in full sun
Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sunInformation to be completed