"WCD" wrote in message
...

I'm laying out a "four-square" garden at my place in central Maine. I'd
like to use some kind of precast concrete planks to create the
rectangular raised beds, but I haven't found much.

Anyone have any sources for concrete raised beds? I'd like to stick with
long planks if possible so I don't have to do as much fussing and
adjusting as they heave in the ground.

Thanks for any advice.

Plain old concrete blocks do just fine. YOu can parge the exterior for a
fancier look and put in slate or paving slabs on top for a seat.