Teak wood can stay out year round, but any wood exposed to the weather
year round will become rough. You may find yourself sanding it every
year, at least the parts that you touch. If you use the furniture a
*lot*, use will keep it smooth.
Teak is not the only wood that can stand up to staying out. Cedar and
redwood hold up too, and cedar costs less.
Garden furniture made of durable wood like teak and cedar does not need
to be protected with paint or urethane deck stains. Once a protectant
is used, though, it generally needs to be touched up every year because
it flakes and that looks and feels really bad and can make quite a mess.
Garden furniture that has to stay out all year needs stainless steel
or brass fasteners, preferably nut and bolt fasteners not wood screws.
I have some plastic garden chairs that I found at a charity shop years
ago, bought as a temporary measure while I looked out for "good" garden
furniture. I still have the plastic chairs, and like them. I like to
move them around, something that can be a big hassle with heavy wooden
Do you need all-weather garden furniture? Are you going to be out in
the garden in winter? Or is it that you have nowhere to store the
furniture over winter? Do you even need garden furniture? Wait and