Temperature and Humidity The different species of Solomon’s seal thrive in USDA hardiness zones 3 to 9, though with some variation concerning species. Whilst they like awesome and shady environments with a few humidity, Solomon's seal can properly grow in sizzling and dry climates with some help. The Polygonatum genus, https://music.youtube.com/channel/UC9cvqllo2NXn5XScvX924nQ?si=ybst0P5QXNu5XY5M