New veg beds

My veg beds are in need of replacing. I had slightly raised sections made with 8" round posts laid lengthwise but they have rotted and I want to perhaps rearrange the layout.

Given durability I was wondering about other materials for building the raised beds. Has anyone got ideas? I started looking at plastic wood boards but that's as far as research has progressed!

 

Railway sleepers are very popular for making raised beds.

You can either get untreated hardwood ones or tantalised softwood ones. Softwood is much lighter and usually much cheaper. Recycled ones are easily good enough.

there are lots of companies that do them and a Google search will bring up more than you would want to bother looking at.

Here's one, at random

http://www.uksleepers.co.uk/product/New_Green_Eco_Treated_Softwood_Sleeper

 

Scaffold planks are cheap and strong, depending on how many you want, I got mine on ebay for next to nothing (although I had to hire a van to get them home) something like this supplier it's only £3/board:

http://www.ebay.co.uk/itm/scaffolding-boards-/251995738230?pt=LH_DefaultDomain_3&hash=item3aac1dd076

If it's just a few you want get new ones from a local builders merchant they deliver for free for around £12/board.

 

Thanks all, will look into the suggestions when I get a moment to scratch etc

Quite like the idea of circular beds but obviously not great for maximizing space.

Will try to get a plan of the space together so get some suggestions on new layout too