What Are the Moisture Requirements for butterfly bush?
Well drained

butterfly bush · Buddleja davidii
Also known as: orange eye; summer lilac
Butterfly bush is a robust and low-maintenance plant that thrives in full sun and well-drained soil. A special care point for butterfly bush is regular pruning to promote healthy growth and prevent it from becoming invasive. Watering can be moderate as butterfly bush is drought-tolerant once established, making it an easy-to-care-for addition to many gardens.
Well drained