How to Protect Your Perennials from Freeze–Thaw Damage in Late Fall (Zone 4 Guide)
Minnesota’s late fall and early winter bring a unique challenge: freeze–thaw cycles. Warm days, cold nights, and fluctuating soil temperatures can push vulnerable perennials out of the ground (“heaving”), damage roots, or dry plants out before real winter arrives. Here’s how to prevent that damage—simply and effectively. 🌿 1. Mulching Tips: Your First Line of Defense Mulch doesn’t keep plants warm. It keeps temperatures consistent, which is exactly what you want during early winter...
