In the early years of Northern Normal, a "growing room" was located in the Peter White Hall of Science for Biology Department use. However, the room was too cold and in 1941 a greenhouse was built behind Peter White Hall to provide room for Biology Department expansion.
Greenhouse - NMU Archives
![Harden hall exterior](/archives/sites/archives/files/styles/re_internal_hero_sm/public/2021-09/210728%20Campus%20Walk%20Exterior%20Building-17.jpg.webp?itok=5p0W2qId)