For most Pennsylvanians, gardening season ended a couple of months ago. The last hardy greens were brought in, the last tomatoes picked to ripen indoors, the last parsley chopped over pasta.

But not at Penn State Behrend, where Sustainable Food Systems interns and Student Garden Club members have been gathering eggplant, peppers, carrots, beets, lettuces and tomatoes from inside the 30-by-48-foot poly-walled high tunnel on campus. Though overnight lows outside have brought killing frosts, the high tunnel has kept temperatures inside suitable for several warm-season fruits and vegetables, while protecting the plants from snow, damaging winds and other weather extremes.

Read more: Behrend high tunnel extends growing and giving season | Penn State University (