Utah State University Extension
Many homeowners have the dream of growing fresh vegetables year-round. Unfortunately, in colder climates, this is only possible using a complete greenhouse with supplemental heating/cooling and lights. Greenhouses can be excessively expensive to maintain and heat, making them impractical for most homeowners. This is not only due to cold winter temperatures but shorter day lengths and lower available light that must be offset artificially. There are practical, less expensive ways to obtain self-grown produce earlier and later in the growing season, though, by using season-extending techniques. These include using equipment such as cold frames, high tunnels, low tunnels, floating row covers, and cloches (such as hot caps) that protect garden plants from cold temperatures. Before spending time and money, define your crop production goals, budget, and local climate challenges.
Beddes, T., Caron, M., Hansen, S., & Gunnell, J. (2022). Extending the garden season [Fact sheet]. Utah State University Extension.