November gardening tips: Mulch flower beds, protect trees, clean gardening tools

By Charlie Nardozzi, Horticulturist and Leonard Perry, University of Vermont Extension Horticulturist

Mulching, protecting young trees, and wrapping evergreens are some of the gardening tips for November.

 

The dormant days of winter are about to set in and mulching vegetable and flower garden beds are key in helping them survive the ravages of winter weather intact. In November, there’s a short window of opportunity for mulching: If you wait until the ground freezes, rodents won’t use the mulched bed as a hiding place, but if you don’t mulch before the snow accumulates, it won’t get done. If we could rely on constant snow cover , winter mulching would be less necessary, but in the absence of that insulation, we need to provide a winter blanket, primarily for young and un-established, weak, or less hardy perennials.

crocosmia november gardening tips

Crocosmia

If a plant is rated for a zone warmer than the one shown for your site, consider mulching.  An example is crocosmia—a tender summer bulb producing spikes of red (usually) flowers in early summer.  Although usually listed as hardy to zone 6, these can be grown even in a cold zone 3 with plenty of mulch or snow cover.  Find your hardiness zone from the USDA.

Some plants are better off without any mulch in winter , when it can compact and encourage rotting of the crowns. These include coral bells, delphiniums, oriental poppies, iris, violas, and sedums.

Protect trees, clean tools, stow fertilizers, care for birds

  • To prevent sunscald and frost cracking on young, thin-barked trees such as maples, wrap the trunks with tree wrap or use white plastic protectors. These materials will reflect the warming rays of the sun so the tree bark doesn’t heat up on winter days, only to be suddenly cooled when the sun sets and the temperatures plummet.
  • Protect young evergreens from winter sun and wind. Set four stakes around a plant close to the branches, then wrap burlap around the outside of the stakes and over the top, and secure it with twist ties poked through the burlap. Make sure evergreens have a good deep watering before the ground freezes because they continue to respire, albeit slowly, during the winter.
  • clean your gardening tools in november

    Clean your garden tools before stowing them for winter, so dirt doesn’t rust or dull blades.

    The most important help you can provide for your hand tools this fall is to wipe them clean after use and before storing them for winter. Any moist soil left on the blades can encourage rust, and dirt can dull pruner blades. Also wipe wooden handles with linseed oil to keep them from splitting from dryness.  Winterize other gardening equipment by draining water from hoses, storing nozzles inside (so frozen water doesn’t crack them), and adding preservative (from rental and hardware stores) to gas for lawn mowers and other power equipment.

  • Leftover bags of fertilizers and soil amendments will not only tempt mice over the winter, they also can collect moisture and turn lumpy, and paper bags can start disintegrating. Pick up some inexpensive large, sturdy plastic containers with lids to store the bags in; they can also make it easier to dispense the material next time you need it.
  • If you feed birds during winter, you should also provide water for them. The only realistic way to do that in winter is to use an electric birdbath heater that plugs into an outdoor outlet.  Or, you might buy a birdbath with a built-in heater which will keep the water just above freezing, but won’t endanger the birds (make sure these heated units are plugged into a properly grounded and approved outdoor receptacle). Check the water every few days to make sure it hasn’t evaporated, or to clean and replace it.
  • Watch for sales on bird seed this month, and stock up for winter now.

This article originally appeared on Perry’s Perennials


About Dr. Leonard Perry

Dr. Leonard Perry is an Extension Professor at the University Of Vermont. He serves as an advisor and consultant to the greenhouse and nursery industry, including the Vermont Association Of Professional Horticulturists. His research focus is on herbaceous perennial production systems.
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One Response to November gardening tips: Mulch flower beds, protect trees, clean gardening tools

  1. Ava Rose says:

    This is some great advice, especially for this time of year. I will have to remember this and use it for my garden next year!