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Grow a Good Life

journey to a self sufficient life

in Gardening· Spring Gardening

How to Build a Square Foot Garden

This post may contain affiliate links, which means that I may receive a commission if you make a purchase using these links. As an Amazon Associate I earn from qualifying purchases.
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Building a square foot garden is a quick and easy way to begin or expand your garden. The method is also simple to understand, organized, and makes it easy to plan your growing beds.

Building a square foot garden is a quick and easy way to begin or expand your garden. The method is also simple to understand, organized, and makes it easy to plan your growing beds.

We built our first square foot gardens in 2009 after reading All New Square Foot Gardening by Mel Bartholomew.


The concept of Square Foot Gardening is to use a raised bed filled with a soil blend called Mel’s Mix (1/3 peat moss, 1/3 vermiculite, and 1/3 compost from as many sources as you can). The Square Foot Gardening theory involves using a raised bed filled with a soil blend called Mel’s Mix.

The bed is divided into one-foot sections and each square is planted according to the plant spacing described in the book.

We began with three 4×4 square foot beds to the south end of our garden area. Then added three more 4×4 square foot beds the following year. Each year we built, filled, and planted three beds in just one weekend. Here is how we did it:

How to Build a Square Foot Garden:

Step 1: Build the Square Foot Garden Boxes

Our 4×4 square foot garden beds were built using 2×6 boards. We carefully measured and cut the boards to 4-foot lengths, then screwed them together using 6-inch wood screws.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

Step 2: Position the Raised Beds

We weed whacked the grass as low to the ground as we could, positioned the boxes, and placed a layer of cardboard underneath the boxes. Cardboard kills the grass and decomposes underneath the soil during the summer helping to eliminate weeds from growing in the new garden beds.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

Step 3: Mix Up a Batch of Mel’s Mix

We mixed 8 cubic foot batches of Mel’s Mix (1/3 compost, 1/3 vermiculite, and 1/3 peat) at a time right in our tractor cart. You could also use a tarp. 8 cubic feet is enough mix to fill one 4×4-foot box at 6-inches high. If you are like me and math gives you a headache, here is a nifty soil calculator at Garden Supply.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

Step 4: Fill the Beds with Soil Mix

We added the soil mix to the square foot gardens in layers and hosed it down several times as we filled the box. When the boxes were full, we gave them a final soaking so the mix was good and hydrated.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

Step 5: Add Your Grids

I used string to divide the beds into one-foot sections. You can also use mini blinds, wooden dowels, or thin strips of wood to make your grid.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

Step 6: Plant Your Square Foot Gardens

Each square is planted according to the plant spacing described in the book. Add a trellis to the north side of the bed to grow vining crops such as pole beans, indeterminate tomatoes, or cucumbers. Mulch soil to conserve moisture.

A square foot garden is a quick and easy way to begin or expand your garden. The method is simple to understand and makes it easy to plan your growing beds.

It was easy to build the beds, fill them with soil, and plant according to the charts in the book.

Extend your growing season by growing under protection. Crisscross two PVC pipes and drape the beds with garden fabric or even a painting drop cloth. Just remember to vent on warm days. Here are 13 Quick Growing Vegetables for Your Fall Garden.

How to build a square foot garden.

The Square Foot Gardening method is worth considering if you are just starting a garden or want to expand quickly with no digging or tilling required. Or you can purchase ready to assemble raised beds on Amazon.

You May Also Like These Gardening Tips:

  • How to Grow a Salsa Garden in your Raised Bed
  • Homemade Seed Mats or Seed Tapes
  • Square Foot Gardening: A Quick and Easy Way to Begin a Garden
  • Garden Planning: Mapping the Garden Beds
  • 5 Ways Organic Mulch Helps Your Garden
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Building a square foot garden is a quick and easy way to begin or expand your garden. The method is also simple to understand, organized, and makes it easy to plan your growing beds.

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Filed Under: Gardening, Spring Gardening Tagged With: raised bed, square foot garden

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Reader Interactions

Comments

  1. Marianne Williams says

    June 1, 2019 at 10:57 am

    I have the book and have NOT gardened in 15 yrs. Have now taken over my son’s raised gardens, which are 4’x4′(5) of them. Have 1 planted and working on the others. Hoping this works. Have to get the vermiculite and peat moss. Don’t know how much to buy.

    Reply
    • ©Rachel Arsenault says

      June 4, 2019 at 2:17 pm

      Marianne, You’ll need about 8 cubic feet of the square foot garden soil mix to fill one 4×4-foot box at 6-inches high. You’ll need a little less since the beds are partially filled. Once it is all mixed it you should be off to a great start this season.

      Reply
  2. FeathersInTheWoods (@la_murano) says

    June 11, 2015 at 9:43 pm

    This is such an awesome idea! I don’t think I could ever be this organized, but I would love to try these beds!

    Thanks for linking up with Green Thumb Thursday. I hope to see you back this week!

    Lisa

    Reply
  3. Nicole @Little Blog on the Homestead says

    June 8, 2015 at 11:46 am

    This is great!! We use raised beds in our front yard and I love them! Thanks for sharing at the Homestead Blog Hop, hope you stop by again this week.

    Reply
  4. Susan - ofeverymoment says

    June 5, 2015 at 11:58 am

    What a helpful post -I have some raised beds, but have never tried planting according to this square foot method. I am pinning this to try it next year – and may even add a new bed or two! Glad I found this at the Awesome Friday link up!

    Reply
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