A thick layer of mulch around perennials can help them survive winter by insulating the roots against cold temperatures

https://fwnbc.marketminute.com/article/getfeatured-2025-3-7-landscape-supply-house-grand-opening-lubbocks-new-destination-for-landscape-professionals

A thick layer of mulch around perennials can help them survive winter by insulating the roots against cold temperatures and harsh weather conditions.