How to Water Forrest’s butterfly bush?
Moderate deep watering during dry periods, free drainage preferred

Forrest’s butterfly bush · Buddleja forrestii
Grow in well-drained soil in full sun in a sheltered location out of cold winds. Best in warmer counties or city locations. Can be wall-trained on a warm sunny wall. See buddleja cultivation for more detailed advice
Moderate deep watering during dry periods, free drainage preferred