How to Prune Mount Olympus St John's wort?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

Mount Olympus St John's wort · Hypericum olympicum
Grows well in moist but well-drained soil in sun or partial shade
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.