raised garden-concrete staining?

leee(7)May 5, 2002


I'm planning to put two 2x12 ft. raised beds on my large conrete slab in the backyard. I noticed a post from someone that mentioned a raised bed will stain the concrete. I live in military housing and I have to leave the place in the same condition that I received it (no 12 ft. concrete stains). Has anyone removed a raised bed off of concrete and had trouble removing the stains? Thanks!

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taba(z5b MO)

Hmmm. Good question. I don't have an answer, but you might also post this to Tips and Techniques or maybe Soil, Compost and Mulch. In those forums, you might also mention if it's intended for an accessible garden.

Good luck with it.

    Bookmark   May 7, 2002 at 1:25PM
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Great idea! Yes it will stain the concrete but you could start with a contractor's inexpensive polyvinyl tarp. Any hardware store or place like K-Mart has them. Check the sizes available and build the raised bed to use the tarp for concrete protection. If you place one edge of your bed on the low side edge of the concrete you can leave that edge of the tarp run out over the edge of the concrete to permit heavy rains to leach out of your garden. I might also suggest a fairly heavy use of peat moss in your bed for a lot of good reasons. It will hold water for you. It will make your growing medium easier to work. The plants will love it. I would use a whole large bale of it in a 4 X 10 raised garden.

    Bookmark   May 11, 2002 at 11:49AM
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Maigan(z6b MD)

You can remove all stains from concrete with a power washer and some cleaner. I have an inground pool with a cement surround and every year we have to power wash it due to leaves sticking to it and other debri, therefore staining it. It works well. you can rent a power washer or find some one who owns one and borrow it for about an hour ;)
good luck with all you do and have fun!!!!


    Bookmark   May 13, 2002 at 9:24PM
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To prevent weeds and mud, I have put down a large tarp over my dirt yard, can i make the raise garden over the tarp?

    Bookmark   April 15, 2011 at 7:55PM
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What would you use to remove the stains? We aren't gardening on our patio, but using a power washer did not remove the stains. I'd like to know of a good cleaner.


    Bookmark   August 3, 2012 at 7:29PM
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