Can patio furniture be left outside all year?

This is one of the most-asked questions in the category and it has a genuinely different answer depending on what the furniture is made of. The short version: most frames can stay out, most soft goods cannot, and the mistakes that cost people money are nearly always about the soft goods.

The answer by material

What freeze-thaw actually does

Water expands about 9% when it freezes. Anywhere water has gotten into a material or a joint, that expansion is a wedge working from the inside, and it repeats every time the temperature crosses freezing — which in most of the US is dozens of times per winter, not once.

In wood, water sits in the cell structure and in any check or crack. Each freeze widens the crack slightly, which admits more water next time. That is the mechanism behind a wooden chair that looks fine in November and has visible splitting along the grain in March.

In coated steel, water sits under any coating breach. Freezing lifts the coating further, exposing more steel. In cushion foam, water sits in the cell structure and freezing ruptures cell walls, which is why a cushion that overwintered outside never feels the same afterward even once it dries.

HDPE and aluminum are unaffected because neither admits water in the first place. That is the entire reason those two materials dominate every recommendation on this site.

What must come indoors, in priority order

1. Cushions and pillows. Non-negotiable. They are the most expensive consumable on the patio and the most vulnerable to a winter outside. A garage, a shed, a deck box, or stacked in a spare room — anywhere dry.
2. Umbrella canopies. Close and remove. An umbrella left open through a winter storm is the single most common total loss in this category, and a stored canopy also gains a season of color life.
3. Glass tops. If they detach, store them flat and off the ground. If they do not, cover the table and never let ice load sit on the middle of an unsupported pane.
4. Anything with a mechanism. Folding chairs, reclining loungers, crank handles. Moving parts plus moisture plus freezing is how mechanisms seize.

If you have no storage at all

Apartment balconies, small yards, no garage — a real constraint, and there are real answers:

• Buy furniture that does not need storing. An HDPE bistro set on a balcony is a genuinely maintenance-free object. This is the strongest argument for paying more up front in a small space.
• A deck box solves cushions. It is the cheapest single purchase that removes the biggest winter problem, and it doubles as a seat.
• Stack and strap. Nesting chairs on top of a table, covered and strapped, keeps them off standing water and reduces the surface presenting to wind.
• Get it off the ground. Feet sitting in a frozen puddle for four months is worse than everything else on this list combined. Slabs, blocks, anything.

The full sequence, including when to do each step, is in our winter storage guide.