Temperature and Humidity The assorted species of Solomon’s seal thrive in USDA hardiness zones three to nine, however with a few variation in between species. While they prefer interesting and shady environments with a few humidity, Solomon's seal can effectively improve in very hot and dry climates with some aid. https://music.youtube.com/channel/UC9cvqllo2NXn5XScvX924nQ?si=ybst0P5QXNu5XY5M