10/15/2026
The ultimate winter blanket for your blueberries? Raw wool!
If you’re prepping your blueberry bushes for fall and winter, skip the mulch and reach for “junk” fleece instead.
Blueberries have incredibly shallow roots, making them extra vulnerable to freezing winter temperatures.
Tucking them in with a layer of raw wool at the base is a total game-changer:
• Insulates shallow roots: It shields vulnerable roots from severe frost and temperature swings.
• Traps autumn moisture: Wool holds onto seasonal rain, keeping the soil perfectly hydrated without getting waterlogged.
• Feeds the acid-lovers: As the wool slowly decomposes over winter, it releases nitrogen and sulfur—which blueberries absolutely thrive on.
• Blocks spring weeds early: By the time spring rolls around, your wool barrier will already be stopping early weeds from competing with your berries.
Are your berries ready for winter?
