How to Water square-stalked St John's wort?
Moderate regular watering, allowing brief slight drying between soakings

square-stalked St John's wort · Hypericum tetrapterum
Also known as: hard hay; spotted St John's wort; St Peter's wort
Grow in any poor to moderately fertile soil that does not dry out
Moderate regular watering, allowing brief slight drying between soakings