25 March 2009 ~ View Comments

Thursday 13 – Double Digging the garden bed.

It’s that time of year again. Time to double dig the garden bed. Last year, a lot of people asked about the double digging. This year, we took pictures at each step so you can see how it works.

How to double dig your garden bed:

?1. Here’s the instructions for double digging:

Double Digging from "How to grow more vegetables" by John Jeavons


2. This is the second year on this garden bed. The first step is to take off the first layer of dirt:

doubledig_01

3. You continue to remove the first layer of dirt. We put 1/2 of top layer on the right side, 1/2 of top layer on the left side:

doubledig_021

4. The next step is to remove bottom layer to the one end of the bed. We split the bed and put the rest of the first layer on one end.

doubledig_031

5. Now comes the dirt work. Because our soil is clay like, we add dry leaves (collected last fall). The leaves give the soil texture and organic matter. We mix the leaves into the compacted soil with a pickaxe. (Yes, it’s that hard.) Because this is only a second year bed, we didn’t work this layer last year. If you’re starting beds this year, just do as much as you can. You’ll get to this layer next year.

doubledig_04

6. ?After mixing in the leaves, we add our homemade compost. We make compost in a ‘lazy pile (meaning no compost bin)’ by mixing kitchen scraps, coffee grounds, dirt, garden clippings, grass and leaves. We usually create two batches per winter. This winter, we started a new compost so we only had enough homemade for this bed. It’s great compost and basically free.

doubledig_05

7. ?This is what the bottom ?layer looks like after the addition of compost and dry leaves. You can really see the difference when you compare this to picture #4.

doubledig_06

8. We return the dirt in reverse order. Last years top, the right side, then the next, the left side, and finally the lower. We add commercial compost to this layer.?

doubledig_071

9. Then you have to work the lower layer of the other half of the bed. Leaves and homemade compost + pickaxe.

doubledig_08

10. ?This photo shows the difference between the lower layer and the upper layers.

doubledig_09

11. This is what the finished bed looks like.

doubledig_10

12. Technically we cannot plant until May 15. So this bed will sit for a while – I think of it as ‘baking’. We had three beds this size last year and are adding two more. When the second bed is done, I will plant this bed with broccoli, peas and spinach. I will also plant soy, under row covers, as a green manure until we plant. ?(I grow soy because it’s cheap. I buy the dry beans in bulk. I’ll turn them under before they flower.) I haven’t made a garden plan this year, but I will let you know when I have it together.?

13. Why the hell would anyone go to all this trouble?!? You wouldn’t believe how often I hear this – particularly from our neighbors.?

  • You can literally grow at least twice size and quantity of vegetables than in a traditional bed.
  • You can grow a bounty of food in a very small space.
  • Using companion planting, you never deplete the soil. You are always improving the soil.
  • Because you have fabulous soil, you can plant closer together and more plants than in a traditional bed.?
  • You can plant along all the edges of the garden which increases your gardening space.
  • You do not poison your soil with petrochemical such as Miracle Grow.?

Here’s a funny story. The Jones on our street (as in keeping up with….) had a garden last year. ?They were working on their garden about the same time we put in three double dug beds. Mr. Jones saw us working and said, “Pfft, I’m not doing that!” By mid-summer, he was bragging about his garden to another neighbor and joking about our work. The neighbor asked, ‘Have you seen their garden?’ Peaking over the fence, he was dumbstruck. (I just saw his little shocked face. I heard the story later.) Being Mr. Jones on the street, he rushed out to buy a box of Miracle Grow petrochemicals. His results? His plants never grew as big or as bountiful as ours. Most of his tomatoes split (due to the burst of nitrogen and water). ?Finally, he resorted to joking about our urban farm. Poor guy. ;)

Moral of the story: A little work and compost will pay off in big ways.

Happy Thursday!

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  • heart in san francisco
    Oh, you are such a woman after my own heart! Our backyard is mostly poured concrete, but I work the few beds there are and also grow things in pots, including a meyer lemon tree.

    I would like to build raised planting beds, but the landlord would probably make me dismantle it because concrete is so very beautiful. :(

    There is nothing like growing your own organic vegetables, berries and herbs.
  • How cool is this? We just started getting into the gardening thing recently so we'll have to give this a shot next too, thanks!
  • Beautiful!!! Happy TT and thanks for stopping by:)
  • LOL at Alice Audrey's comment! Because that would be my problem, too. Our 'soil' is rocks with about 4 inches of top soil filling in the spaces. But I garden anyway! Just not vegetables - we have too much shade on out wooded lot.
  • WOW! I am impressed and wish I was the neighbor who got the vegies you could not eat because there are so many :)

    Good for you. You guys must feel so good when you harvest your garden.
  • This is fantastic. I'll definitely look back into this technique if I ever live in a place where I can have a small garden again. For now I'm on my way to a condo in Korea.
  • Somewhere up in Heaven, my Grandfather is very proud of your efforts. (He could make anything grow, you see.)

    I have two raised beds in my tiny apartment-based yard. I'm going to be getting them ready tomorrow (I hope.)
  • Wow. That is impressive.

    I am planting a different of seed:

    http://fullbodytransplant.wordpress.com/2009/03...

    We both are nurturing the future!
  • yay!thanks for this list, i just bought my planting seeds yesterday and your digging tip is perfect!
  • The only way you could do this system here is if you used a jack hammer. There's more rock than soil.
  • Wow, I should do this to my garden. Thanks for the tip and happy gardening.
  • Okay, my back is aching just reading about all of the work. I am sure I will envy the pics of your garden when you post them. Here's hoping you reap the benefits of all your hard work!
    Happy T13!
  • It's funny that non-gardeners never understand exactly how much hard work goes into growing your own veggies. I am just glad that my dad does the heavy lifting in our garden. I've never seen this method of digging, but it does sound sensible.
  • Shoot, I could do this and everything else right, and still kill all the plants. Sigh. :)
  • I am completely impressed with your hard work and ingenuity. What a fabulous idea for improving less than perfect ground. I am going to try this next year.
  • Thanks for your kind comment on my blog! I am still finishing up the third round, and feeling great. I have had more hunger issues this round, but I think my dosage was off. Not losing as fast, either, since I spent the whole first 3.5 weeks making up for the ground I lost over the holidays!

    I love the idea of your garden. We are doing a layered garden this year in raised beds. First time for us in many years, and with lack of time to really work it like we'd like, we are hoping for some good results. We have been putting kitchen scraps and stuff into an old garbage can for our compost bin, and put some of that in with the new soil we bought--filled with natural compost. If we can keep the plants warm enough, I think we'll do pretty well. Here's hoping anyway!
    tm
  • That is one hard-working TT! Yikes.
  • Oh I wish the ground were thawed and I could do this! Great tutorial.
  • Funny how the pictures help but the first photo shuts me down because I can't equate it. We do have raised beds that we mix manure into. The soil is for crap here. (OH, I just realized in the gardening world that would mean good!).
  • Wonderful post! Thanks for the step by step instructions. I will be sharing this with my husband. We built raised garden beds a few years ago and added soil & compost since our soil is clay. We, too, are trying to steer clear of chemicals. Thanks again! :)
  • I'm a novice gardener so that was an informative post.

    My T-13
  • Jen
    Wow!! You are busy busy. Good for you. Every year my plan involves a garden and of never works out.
  • as much as this makes sense....I DO NOT want to to do this since husband told me we are PCSing (moving) in a year....kind of makes me want to say...FU to the whole gardening in the backyard!
  • i'm exhausted just thinking about it....but honestly you go for it Claudia. I'll watch.
  • In response to your comment on my TT the real estate business that my husband does is really slow right now considering the economy, he's doing his best at that as well as some other ventures...
    All that digging sure looks like a lot of work!!
    Have a great day!!!
    Sara
  • Just Jen
    WOW! That's a LOT of work YIKES!!!!!!!!!

    (But so worth it!)
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