Tuesday, February 26, 2013

A hugelkultur cinderblock raised bed (with mosaics)


When it comes to gardening, my wife likes order and I like chaos. She likes raised beds and neat rows - I like hacking holes in the ground and throwing seeds around. I like mixing everything together - she likes keeping things sequestered.

Our styles are very different but between the two of us, our plots are much more productive than they would be with either of us alone. Her preferences dial me back a bit... and my experimentation stretches her. As I've posted on before, I built Rachel some raised square foot beds in the Mel Bartholomew mold. One of the first of those was made from cinder blocks but I never liked the open industrial look or the weeds that came out of the holes in the blocks. Another thing I didn't like was the amount of water we had to give the plants in it. We went with 6" of Mel's Mix over weed cloth. The plants did well but needed quite a bit of water.

That's all changed now. I found an aesthetically pleasing and water-retentive way to re-invent this bed by melding the wisdom of Sepp Holzer with the neatness and order of Mel Bartholomew. This is similar to my Melon Pits, but contained by lovely Bauhaus-style concrete. Well... at least they WERE Bauhaus before I busted out the tiles and mortar.

Behold! The Hugelfoot Bed Of Mosaiced Incredibleness!


Isn't that cool? And it's not just pretty... it's a super-duper raised bed. What makes this bed special? Let me show you:

Here's the foundation. I put solid cap blocks on top of standard hollow cinderblocks. After I leveled everything, it looked nice, clean and solid. I then dug down about 2' further.

The next step was to drop in some chunks of wood. As they decay, they'll act like water reservoirs.

After that, it was time to throw in waste paper, junk mail, old paper plates, sticks, moss, corncobs and other carboniferous debris.



Yeah, that needs a stomping!

Ah, that's better. Now time to water everything in.



Then I put in a heaping load of mostly finished compost.



That completed, I topped it off again with the original 6" of Mel's Mix.


And voila! Magnifico!


That looks good enough for most people. But I've been itching to do more mosaic work, so the kids and Rachel and I had a mosaic day. I assigned each of the older children a solid cinderblock and let them have at it. The next day, I did a few, then the day after that, Rachel and I did the rest and grouted everything.

Here are a few shots of the mosaic:





As it is, this bed has about 36" of depth, plus tons of compost and a wood reservoir in the bottom. My hope is that this marriage of hugelkultur and square foot gardening will meld the strengths of both.

Here in Florida it's tough to keep things watered and happy in the heat of late spring... we shall see how this bed performs. If it works significantly better than my other beds, I'll do the same with them (though I'm not sure I'll have time to mosaic everything!).

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18 Comments:

At February 26, 2013 at 7:23 AM , Blogger ChrisC said...

What a great idea! I'm gonna give it a try.Love the mosaics!

 
At February 26, 2013 at 8:35 AM , Blogger stevo_61 said...

Sounds familiar. My wife wants me to put in raised beds. Great idea.

 
At February 26, 2013 at 11:06 AM , Blogger srq hiker said...

Good idea -- I have lots of "left over" tile I can use.

 
At February 26, 2013 at 11:10 AM , Blogger Survival Gardener, AKA David the Good said...

Thank you, guys. One of the best things about this project was how inexpensive it turned out to be. The glass is from broken bottles I put through my rock tumbler... the tiles are from a big bin of broken pieces I bought from Home Depot for $7. The most expensive part was the cinderblocks, and they're pretty cheap.

 
At February 26, 2013 at 4:24 PM , Blogger Jen Stuck said...

This is how mine are built, only not as deep. the only suprise was that the banana log I put in one bed actually shot up a baby banana tree. rooky mistake..

 
At February 26, 2013 at 11:14 PM , Blogger rycamor said...

That sure is some swank hugelkulturin'. Nicely done. I especially like the family collaboration on the mosaics. Neat story.

I decided against raised beds this year but for hugelkultur. Actually, it's a hybrid of double-digging and hugelkultur:

1. Dig 8'x 2'x 2' bed, making sure the top grass layer is laid aside separated from the rest of the sandy soil.
2. Loosen the bottom with pitchfork.
3. Lay in a combination of oak logs (some decomposed, some fresh, some charred).
4. Throw in ash, small sticks and other filler around the logs,
5. Shovel back in a few inches of soil, wet it down.
6. Throw the grass layer back in upside-down
7. Shovel as much of remaining soil back in until level.
8. Throw about 6" of heavily-composted soil on top.
9. Mulch with wood chips and leaves.

Sounds elaborate but when you do it all in order it happens fairly fast. The finished bed starts off about 6" raised, but gradually settles to about ground level, and stays nice and wet. So far, things are really growing nicely in there, outperforming the rest of my garden.

 
At February 28, 2013 at 8:41 PM , Blogger Survival Gardener, AKA David the Good said...

That's an impressive system - send me photos if it does well (and photos of some of your process, if you have 'em), and I'll make a post on your method.

 
At February 28, 2013 at 8:42 PM , Blogger Survival Gardener, AKA David the Good said...

I dunno... sounds like a feature, not a bug. Ha!

 
At March 1, 2013 at 3:53 PM , Blogger rycamor said...

Aye-aye, Cap'n.

 
At March 1, 2013 at 9:15 PM , Blogger Tina said...

Glad to find this article, this spring I'm trying my first hugelkulture raised beds (2) as well - with concrete blocks (had some leftovers from other project). One thing that I'm concerned about is the concrete "baking" the plants. I'm going to experiment with having plants such as Purslane on the edges draping over the concrete - from what I understand they love heat so it could be a win/win.

Anyhoo, I look forward to hearing updates on your garden and will visit again. Thanks!

 
At March 1, 2013 at 11:36 PM , Blogger Survival Gardener, AKA David the Good said...

Thank you.

We haven't had too much trouble with the heat (at least that I can tell). Purslane is always a good choice, though.

 
At March 13, 2013 at 12:40 AM , Blogger Cumulative Intelligence said...

That is a fine looking bed. Interested to hear how it works out.

 
At March 13, 2013 at 10:18 AM , Blogger Survival Gardener, AKA David the Good said...

Thank you. I hope the pleasant aesthetics make the plants happy. ;)

 
At April 5, 2013 at 11:01 AM , Blogger Nate said...

Why didn't you install a watering system? slacker.

 
At April 5, 2013 at 1:30 PM , Blogger Survival Gardener, AKA David the Good said...

Watering systems are for wussies.

 
At June 29, 2014 at 1:32 PM , Anonymous Dabbie said...

Wonderful idea...! I love the mosaics....I have to pin it..:)

 
At June 29, 2014 at 6:31 PM , Blogger Survival Gardener/David The Good said...

Thank you - I appreciate the pin!

 
At April 3, 2015 at 12:58 PM , Anonymous C. Hines said...

Do you have an update on how the success of this raised bed? We are hoping to build a raised bed in SW FL and are currently investigating our options. Cinder block seems to be a steep competitor due to the expense and upkeep.

 

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