Biology Department History – Greenhouse

*NOTE: Please visit our Greenhouse Page again soon…we are working on updating it!

Some wildflowers of Minnesota – this is a PDF of a booklet of wildflower drawings created in 1954 under the direction of Harold Hansen. “The purpose of this booklet is to aid students in the identification of some of the native flowering plants which at one time were very common in this region but which have been forced out by civilization into remote, uncultivated places.” Harold Hansen

Staking out first St. Olaf greenhouse west of Holland Hall.
staking out grhs
Start of work on first St. Olaf greenhouse, adjacent to Holland Hall. John Berntsen, hands on hips. Donor: Dr. Howard W. Hansen, Biology Dept. ca 1950


green thumb day  women and flower

Left most photo – Green Thumb Day, making terraria