Temperature and Humidity The varied species of Solomon’s seal thrive in USDA hardiness zones 3 to nine, although with a few variation involving species. When they like amazing and shady environments with some humidity, Solomon's seal can efficiently develop in sizzling and dry climates with a few help. Try out https://music.youtube.com/channel/UC9cvqllo2NXn5XScvX924nQ?si=ybst0P5QXNu5XY5M