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How to Make Your Own Garden Boxes

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  There aren’t many things that I love more than gardening.  When February comes I start getting all excited making big plans for my garden.  This year we decided to do garden boxes for the first time.  These are the advantages that swayed me over to the garden box world.
  1. WAY less weeding.  When we built ours, we put newspaper down on the bottom, and then put our soil blend on top.  I have a few weeds pop up, but literally probably 1/8 of the weeds with gardening the traditional method.
  2. Saves your back.  We built ours pretty high, and there is a lot less bending involved.  You can even sit on the edges and reach pretty much the entire bed.
  3. Less messy.  We built stone paths in between our boxes (which also cuts WAY down on weeds) and so when I walk out to my garden I never get muddy – even after heavy rain storms.  This is a major plus when you have kids and they like to be out in the garden.
  4. Better soil.  The soil where is live is definitely not ideal, but the soil in my garden is now ideal because I brought it all in!
  5. Better drainage.  When it rains/snows, the moisture is able to drain down instead of puddle on the ground.  I never have standing water in my boxes.
  6. Aesthetically appealing.  A typical garden is basically just an area of dirt with not much street appeal.  But with raised beds, you can design them however you want and they can look really good!
We put together a complete how-to guide for building your own garden boxes from buying the wood to filling them with soil.  (*Warning – it is lengthy!)   The first step in building anything is to draw up thorough plans.  For our garden space we drew up our plans in Excel, so we could easily take measurements and calculate the amount of materials we would need to purchase.  Our garden plan calls for eight ten foot by six foot garden boxes, some of which have angles to accommodate a circular herb garden in the middle of our garden plot.  Here’s an example of our garden plan. Garden Plan   We decided to use two 2″ by 8″ redwood planks for each side of the garden box with a 2″ by 6″ plank on top of each side wall to make the boxes look better, and make also serve as a bench. The 2′” by 8″ planks are actually 1.5″ by about 7″ resulting in a height of the garden box of about 14″.  This is just deep enough to provide plenty of space to fill with dirt, and is a good height to reduce the amount of bending over you have to do while gardening.   Most garden boxes are made out of redwood or cedar.  We chose to make our boxes out of redwood, mostly because we could purchase thicker, more durable boards for less money.  The 1.5″ thick redwood planks were almost the same price as the .75″ thick cedar planks, so hopefully this helps the boxes last much longer.  Here are all of the boards purchased and ready to go.   IMG_9083   Step one is to cut the support boards.  These boards will be used as the frame of the garden box.  I cut each support board 18′” so it would be longer than the box is tall.  This allows 4 or 5 inches of the board to extend below the garden box to help hold it in place, and to keep the box from bowing due to the weight of the dirt in it.  I used a 4″ x 4″ post for each corner of the box, and a 2″ x 8″ board for extra support for each long (10 foot) side of the box.   IMG_9088   Next I gathered the materials for the sidewalls of the box.   IMG_9089   I cut four pieces of 2″ x 8″ redwood to 10 foot lengths, and four pieces of 2″ x 8″ redwood to 6 foot lengths.   IMG_9090   Sophie thought the project was a ton of fun! (or maybe just riding her bike, and not the project so much)   IMG_9091   I cut all of the ends of the sidewalls at 45 degree angles using the miter saw so they would fit together nicely at the corners.   IMG_9093   I began assembly by standing up one of the corner posts and attaching one of the 6 foot lengths of redwood and one of the 10 foot lengths of redwood to the post with a brad nailer.  The nailer was just used to hold the boards in place while I put the screws in.  I attached each board to each post with two 2.5″ galvanized screws.   IMG_9096IMG_9095   Next attach the second layer of boards using the same process described above.   IMG_9097   View from inside the box.  Notice that the box is being built upside down, so if your box is not a square or a rectangle (some of ours weren’t) make sure you put the angles on the opposite side you want them on so when you flip it over they will be on the correct side.   IMG_9099   Continue the same process with the second, third, and fourth corner posts.   IMG_9098   Last, I screwed in the side supports for the long side of the box.   IMG_9100   Side view of the box before it’s flipped over.   IMG_9101   Next flip the box over to put the top piece of trim on.   IMG_9102   I wanted the trim to overhang the box by about 1.5″, so each piece of 2″ by 6″ trim board has to be cut 3″ longer than the side it’s covering.  So the trim for the 6 foot side is cut to a length of 6’3″, and the ten foot side is cut to a length of 10’3″.  I cut each trim piece to a 45 degree angle using a miter saw.   IMG_9105   Next, using the same 2.5″ galvanized screws, attach the trim pieces to the box.   IMG_9104   Repeat this process for each of the four trim pieces on top of the box.  Each of these boxes took me about 2.5 hours to build counting the time I spent showing Amelia and Sophie what their jobs were….   IMG_9086   Next we laid out the boxes in the garden.  Then we dug holes underneath each of the support boards until they were leveled in the garden.   IMG_9248   Once they were all leveled, we filled the boxes about 3/4 of the way full of soil.  We brought in a special blend of soil.
  •  1/3 screened top soil
  • 1/3 mushroom compost
  • 1/3 nutrimulch (basically turkey manure).
Most nurseries will carry these soil types. Garden Boxes copy   This is how the angled boxes turned out.  These are a little more complicated to build than the rectangles, but not too bad once you get the hang of it.   IMG_9393   Now time for planting! IMG_9396 My girls loved helping plant even more than they liked ‘helping’ build the boxes. It was a big project, but so worth it!  Eventually we will lay stone paths around the boxes and so we will have virtually no weed issues! The herb garden will be made out of stone as well and built up (next on the project list…..) IMG_9397 Happy Gardening!

By Natalie Monson
Posted in Gardening

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27 Comments

Beautiful boxes! My husband made some very simple ones for me this year and I’m so excited to really get out there – they make it so much nicer to garden!

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Kristi

I really love this!! It’s exactly what I wanted to do two years ago but haven’t had the funds to do so until now. Is it possible for you to provide just the measurements for the angled box? Thank you so much and it looks gorgeous!

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[…] How to Make Your Own Garden Boxes Our garden plan calls for eight ten foot by six foot garden boxes, some of which have angles to accommodate a circular herb garden in the middle of our garden plot. Here's an example of our garden plan. Garden Plan. We decided to use two 2” by 8” redwood planks for each side of the garden box with a 2” by 6” plank on top of each side wall to make the boxes look better, and make also serve as a bench. The 2′” by 8” planks are actually 1.5” by about 7” resulting in . Plank Garden Foot Plank Garden Foot. Posted on January 09, 2012 by tyee. Unpainted dull portray fabric accompanying dead planked benchs moreover a midget desk. Beside hellos sinister paw on a form of the boob deceitful on hellos astern forward him. ©2011 Miguel Marion – memorialuniverse.selfip.com – nextel i730 extended life 1400 […]

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Kristi,
The angled boxes are 10′ on the long side, 6′ on the opposite side, 6′ on the end and 2′ on the opposite end. I assembled the boxes to that point using the measurements in the post and then re-measured the last angle piece for each box to make sure it fit together just how I wanted. Mine ended up being 5′ on the angled side. Just remember that the angle to cut the boards that intersect with the angled piece need to be cut at a 22.5 degree angle instead of a 45 degree angle. Hope that helps. Happy gardening!

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Goory Rodriguez

Love all the set up! It looks great, love getting ideas for my garden….thanks!

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Elizabeth Hradecky

Beautiful! What did you plant where? Does it matter where you plant things? I am definitely a novice. Thanks!

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Bonnie Hawkins

Do you remember the cost of the wood? We moving to a 2 1/2 acre lot & I’m saving up for my garden. It would be nice to have an approximate cost

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Very impressive.
Thanks for the idea. We were looking to use large plant pots for our strawberry plants. But this will work even better especially with a layout design as well!

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Jessica

Your boxes are Beautiful! I’m hoping my husband will agree and build some for me :) I’m also very interested in the trellises you have drawn on your plan. Is there any chance you have pictures of how those turned out?

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Jerry Andrews

I have a “single” iron bed frame that I would like to convert to an Herb bed. Have the design concept in my head but wondering if anyone out there has ever constructed an Herb bed using the framing from an old iron bedsted?

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Jenni

What a great idea to use Excel to draw up the garden layout! How did you get it to do the diagonal lines?

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Embrey

These are gorgeous! Any idea how much dirt you used and what it may have cost?

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Mike hawk

This is an incredibly expensive way to make raised beds. Beautiful, but at least two grand worth of materials.

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Lonnie

For us folks in gopher land, some wire on the bottom of the boxes could make the difference between us getting the harvest or them. Great looking boxes!

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If you right click on a cell, and then you click format cells, then click border, and then the diagonal button. Good luck!

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Jennifer

Would you recommend any treatment to prevent the cedar boards from weathering?

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Randi

I love them! So simple but look so nice!
Can I ask where you got the lumbar?

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luke

what did you do underneath the soil you brought in? Did you till the ground and did you use any sheeting type material to keep out weeds?

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We used redwood (thicker pieces of wood) instead of cedar so that we wouldn’t have to treat it. We just didn’t want anything leaching into our garden soil. I have read about certain kinds of oils that you can use to prevent weathering. We did not treat ours and so far it has been fine.

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We had previously had our garden plot where our boxes are, and so the soil had been tilled. We didn’t use sheeting because I wanted the boxes to be able to drain well. We honestly have not had a big problem with weeds. We do get some, but I have found it much easier to keep up on it with the boxes.

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Jennifer

Could you please advise us as to the make and model of saw that you used to bevel the edges of the 2 X 8s? Also, do you have any recommendations for performing this operation?

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Russell

Jennifer, the edges of the boards I purchased were already slightly rounded, so I didn’t have to round them. If you want to do that and your boards have sharp edges, you will need to do it with a router. Any router will do. If you’re talking about which saw I used to cut the angles on the ends of the boards I just used my very inexpensive Kobalt 10″ compound miter saw. If I could buy it again and was willing to spend a little more money I’d go with a 12″ compound miter saw as it makes it easier to cut the angles. Hope that helps!

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