By mid-November, the lawn is done for the year in most of the country and the first snow is either here or on the way. That makes this the week to do the seasonal shed swap: put the summer equipment away properly, move the winter gear where you can reach it, and pull out the things that shouldn’t spend January in an unheated building.
This guide covers what goes inside the shed for winter. If you want to protect the building itself from snow load, moisture, and cold, see our companion guide on how to winterize your shed.
Step 1: Put the Lawn Mower Away the Right Way
A mower that’s stored carelessly in November is the one that won’t start in April. Before it goes to the back corner:
- Deal with the fuel. Gasoline breaks down over the winter and can gum up the carburetor. Either add fuel stabilizer and run the engine for a few minutes so treated fuel reaches the carburetor, or run the tank dry. Check your owner’s manual, since some manufacturers recommend one method over the other.
- Clean the deck. Scrape off packed grass clippings. Wet clippings hold moisture against the steel all winter and cause rust.
- Pull the battery from riding mowers. A battery left in a cold shed can slowly discharge and be damaged. Store it somewhere that stays above freezing, ideally on a maintainer or trickle charger.
- Sharpen the blade now. It’s easier to do it in fall than to remember during the first warm week of spring.
- Cover it loosely. A breathable cover keeps dust and mice off without trapping moisture.
Step 2: Bring the Snow Blower Front and Center
When the first storm hits, you don’t want to be moving a mower, three bikes, and a wheelbarrow to reach the snow blower. Reorganize so it sits right inside the door, facing out if possible.
- Test-start it before the first snow. Use fresh, stabilized fuel. Old gas left over from last winter is the most common reason snow blowers won’t start.
- Check the shear pins and keep spares. Shear pins are designed to break when the auger hits something solid. Keep a few spares (and the wrench to install them) in a labeled container near the machine.
- Check the oil, belts, and tire pressure per your manual.
- Add a ramp if there’s a lip at the door. A short ramp makes rolling a heavy two-stage machine in and out much easier and keeps you from chipping the door threshold.
Keep shovels, roof rakes, and ice melt right next to the door too, so the whole snow kit is grab-and-go.
Step 3: Store Fuel Safely
A detached shed is often a better place for gasoline than an attached garage, but it still needs care:
- Use approved, sealed fuel containers only.
- Keep fuel away from any heater, pilot light, or spark source, and never store it in a shed you heat with an open-flame heater.
- Store containers on a low shelf or the floor, out of direct sun, and away from where kids can reach.
- Keep only what you need. Many local fire codes limit how much fuel you can store at a home, so check yours.
- Label stabilized fuel with the date you mixed it.
Step 4: Bring In Anything That Can Freeze
An unheated shed gets as cold as the outdoors, and plenty of common shed items are ruined by freezing. Move these to a basement, utility room, or heated garage for the winter:
- Latex paint and stain. Water-based paint that freezes and thaws repeatedly can turn lumpy and unusable.
- Caulk, construction adhesive, and wood glue. Many are water-based and have storage temperature limits printed on the tube.
- Liquid fertilizers, pesticides, and herbicides. Freezing can damage some formulas, and cracked containers create a hazardous mess. Check the label for storage temperatures.
- Cordless tool batteries. Most lithium-ion tool batteries shouldn’t be charged below freezing, and cold storage shortens their life. Bring them inside and store them partially charged.
- Pressure washers and sprayers. Water left in a pressure washer pump can freeze and crack it. Drain it and use a pump-protection antifreeze product made for pressure washers, or store it indoors. Empty and rinse pump sprayers too.
- Garden hoses. Drain them completely before coiling and storing, or water trapped inside can split them.
Step 5: Protect Against Moisture and Mice
Winter is when mice move into sheds, and anything edible or nestable becomes a target.
- Store grass seed, birdseed, and pet food in sealed metal or heavy plastic bins, never in their bags.
- Keep ice melt in a sealed container. It pulls moisture from the air, clumps, and can corrode metal tools stored nearby.
- Get cushions, tarps, and fabric off the floor and into sealed totes.
- Keep stored items a few inches off the floor on shelves or pallets to avoid moisture wicking up from the slab or floor.
For a full rundown of keeping critters out, see how to pest-proof your shed.
A Winter Shed Layout That Works
| Zone | What goes there |
|---|---|
| Right inside the door | Snow blower, shovels, roof rake, ice melt in a sealed bin |
| Side walls (wall-mounted) | Rakes, long-handled tools, hoses, extension cords |
| Low shelf, away from heat sources | Fuel cans, oil, shear pins and spare parts |
| Back of the shed | Lawn mower, trimmer, spreader, summer furniture |
| Overhead or loft | Seasonal items you won’t need until spring |
| Moved indoors | Paint, glue, batteries, liquid chemicals, pressure washer |
Running Out of Room?
If the winter swap turns into a game of Tetris every year, your shed may simply be too small for what you own. A snow blower takes about 10 to 15 square feet of floor space, and a riding mower takes 25 to 35. Our shed space calculator adds up your equipment and tells you what size shed you actually need, and the free Shed Calculator estimates what it would cost to build a bigger one next spring.
A half hour of organizing now means the snow blower starts on the first try, the mower is ready in April, and nothing in the shed freezes, cracks, or gets eaten over the winter.