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What's Blooming: Winterizing Tips for Zone 6b

25 Nov 2025 12:08 AM | JoEllen Edson (Administrator)

As the growing season winds down and temperatures in Zone 6B begin to dip, it’s time to tuck your garden in for a restful winter. Thoughtful fall cleanup and preparation now will reward you with healthier soil, fewer pests, and a stronger start when spring returns. Here’s a simple, practical guide to winterizing your garden in our New England climate.

Clean Up… Strategically

Not all cleanup is created equal!

  • Remove diseased or pest-ridden plants—tomato blight, mildew, or damaged foliage should be thrown away, not composted.

  • Leave healthy perennials and seed heads. Plants like coneflowers, rudbeckia, and ornamental grasses provide winter interest and feed the birds.

Cut Back Perennials (But Not All of Them!)

  • Cut back soft-stemmed perennials like hostas and daylilies after frost turns the foliage mushy.

  • Leave stems for pollinators. Hollow stems of bee-friendly plants provide overwintering habitat—cut them back in spring instead.

Protect Tender Plants

Even in Zone 6B, some perennials appreciate a little extra care:

  • Pile 2–4 inches of mulch around the base of roses, newly planted shrubs, and borderline-hardy perennials.

  • Wrap vulnerable shrubs (like boxwood) with burlap if they’re exposed to winter winds.

Mulch Your Beds for Winter Warmth

Once the soil freezes, add a protective layer of:

  • Shredded leaves

  • Straw

  • Pine needles
    Mulch helps regulate soil temperature, prevents heaving, and protects roots from freeze–thaw cycles.

Prep Your Vegetable Garden

Your veggie beds need rest, too:

  • Pull spent annual vegetables and compost what’s healthy.

  • Add compost or aged manure, allowing nutrients to break down over winter.

  • Consider planting garlic, which thrives when planted in late fall.

Care for Trees & Shrubs

  • Water deeply before the ground freezes—especially newly planted trees.

  • Add a fresh layer of wood chips around the base (but not touching the trunk).

  • Wrap young trees with trunk guards to prevent winter sunscald and critter damage.

Clean and Store Your Tools

A little tool maintenance saves headaches in spring:

  • Clean dirt from shovels, pruners, and trowels.

  • Sharpen blades and oil metal surfaces.

  • Drain hoses and store them indoors to prevent cracking.

❄️ Enjoy the Winter Rest!

Once everything is tucked in, your garden enters a peaceful winter dormancy. The work you put in now means:

  • Healthier soil
  • Fewer pests
  • Stronger perennial growth
  • An easier spring start

So make a cup of tea, admire your tidy beds, and look forward to the first green shoots of spring—your garden will thank you.

Organized October 9, 1930.  Federated 1932.  Member of The National Garden Clubs, Inc.  New England Region.  

Garden Club Federation of Massachusetts, Inc. | Middlesex District

Wakefield Garden Club, Wakefield Massachusetts

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