Temperature and Humidity The various species of Solomon’s seal prosper in USDA hardiness zones 3 to nine, while with some variation amongst species. When they prefer amazing and shady environments with a few humidity, Solomon's seal can efficiently mature in very hot and dry climates with a few assist. Maine: https://music.youtube.com/channel/UC9cvqllo2NXn5XScvX924nQ?si=ybst0P5QXNu5XY5M