This winter of 2024-2025 was markedly different than the last in terms of air and soil temperature and risk of potato volunteer survival. As per the University of Wisconsin Climatology Office, the winter saw minimal snowpack and sustained subfreezing conditions through early to mid-February, and frost extended deep into the ground until the mid-February snowstorms added insulation. These conditions further slowed frost progression despite subzero temperatures in some areas.
volunteer potato
High risk of potato volunteers due to warm overwinter soil temperatures
Due to a combination of a warm 2023-2024 winter season, and a heavy snowpack during the few weeks when air temperatures did drop into the single digits, soil temperatures in central Wisconsin may not have …
Update 5 – May 9, 2020
In this issue: YouTube channel. Potato production updates. Moderate risk for potato volunteer survival in WI. New plant disease diagnostics listserv.