would not recommend particle board as it decays over time and you'll have a collapsed bed. I saw a story in a magazine recently where he used plastic milk cartons to elevate his bed. I'll look it up and get back to you.

I like the idea of using plastic milk cartons. I will see where I can get them.

Thanks

Here's the article: http://www.organicgardening.com/learn-and-grow/high-and-mighty-raised-beds

Good article Lorelei!

Also there is a GW Accessible Gardening you can check out. I did a search on there for raised beds and got this:

Raised beds on GW Accessible Gardening Forum

i saw one framed using a "Bagster" from lowes. holes in bottom

A bagster would cost a lot of money to fill with soil!

i think it would cost the exact same as any bed with the same dimensions :)

you dont have to make it the full height if that is the concern. Keep the side folded down

You don't need to put a bottom in your raised bed, I never have and all my vegetable gardens have been raised bed. Just leave the bottom open.

Carlos is trying to elevate the beds by 16 inches

I agree with gardenspice. You don't need a bottom. If you are building it over grass, just place a couple of layers of cardboard on the grass and dump the dirt on top. I've done this with several beds. Works like a charm.