Untreated 2" x 1" Wood (North Abingdon, OX14)

I'm looking for some spare lengths of UNTREATED wood to make some tomato cages. Needs to be approx. 2" x 1" (5cm x 2.5cm) or 2" x 2" (5cm x 5cm).
Do you have some taking up valuable space in your garage?
Much appreciated.