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Home » Patterns » Guides & Information

Joining Granny Squares With Single Crochet (Back of Loop)

Published: May 10, 2023 · Modified: Jan 9, 2024 by Harriet · Leave a Comment

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When it comes to joining granny squares with single crochet, there are several different methods you can use.

Depending on the look and texture you want to achieve, you can choose to work in the front loops, all loops, or back loops of each square.

Red granny squares with white flowers being joined together with single crochet stitch.
Free lacy daisy granny squares pattern
Table of contents
  • 1: Arrange Your Squares
  • 2: Choose Your Joining Yarn 
  • 3: Join Your Squares 
  • 4: Finish off
  • More Crochet Tips And Ideas
  • Learn To Crochet
  • Stay Connected
  • Printable Pattern
  • Joining Granny Squares With Single Crochet (Back Loop Only)
  • Comments

In this post, we'll be showing you how to join your granny squares using the single crochet stitch in the back loop only.

By working in the back loop only, you create a ridge that runs along the top of your seam, adding beautiful detail to your finished blanket.

This method is easy to learn and creates a strong and durable seam that will hold up well over time.

So, grab your hook and some yarn, and let's get started!

1: Arrange Your Squares

Granny squares lined up in columns and rows.

Before joining your granny squares together, it's important to arrange them in the pattern you want them to be in. 

This will help you keep track of where you are in the project and ensure that the finished blanket looks the way you want it to.

To arrange your squares, you can lay them out on a flat surface such as a table or the floor. Experiment with different arrangements until you find the one you like best.

By taking the time to arrange your squares before joining them, you can avoid mistakes and ensure that your finished blanket is exactly what you had in mind.

2: Choose Your Joining Yarn 

When choosing the yarn you want to use for joining granny squares with single crochet, you have a few options. 

You can use the same color yarn as the squares, or choose a contrasting color to make the seams stand out.

Depending on the pattern, you may be asked to use the same yarn weight and hook size as your granny squares so that the seams lay flat and the finished blanket has an even appearance.

But don't shy away from experimenting with another yarn weight and hook size to achieve the look you want for your creation, like we did with our lacy daisy granny square blanket.  

For this project, we used chunky yarn and a 9 mm hook for the squares but joined them with a yarn weight half the thickness of the squares and a 5.5 mm hook. 

The end result was a lovely looking single crochet join that sits in the ditch between the squares rather than being chunky and raised.

3: Join Your Squares 

Joining your granny squares together requires patience and attention to detail. 

To ensure that your seams are neat and even, it's important to follow a methodical approach. 

Here's how to join your squares using the single crochet stitch in the back loop only:

Crochet hook with yarn attached and granny squares on a table.

Step 1 - Start by picking up your first two granny squares and lay them on top of each other with the right sides facing out. Make a slip knot in your yarn and secure it onto your hook.

the start of joining granny squares with a single crochet stitch in the corner space.

Step 2 - Insert your hook into the corner of the granny squares from front to back, yarn over your hook, and pull through to make a slip stitch.

Then insert your hook back into the same corner, from back to front, and make a single crochet.

Crochet hook inserted in the back loops of two granny squares.

Step 3 - Next, insert your hook into the back loops of the next two corresponding stitches from front to back.

Yarn over your hook and pull up a loop, then yarn over again and pull through both loops to make a single crochet.

Single crochet in back loops and hook instated in the second cornet join.

Step 4 - Continue in this way, working single crochet stitches in the back loop only along each side of the squares until you reach the next corner.

When you reach the next corner space, work a single crochet stitch into the corner stitch.

Two granny squares joined with crochet, and two more granny squares ready to be joined with the frist.

Step 5 - Then, pick up two more squares and work a single crochet into the corner stitch of the second square.

Continue to make single crochets in the back loops to join more squares as you go.

A column of granny squares joined with single crochet.

Step 6 - When you reach the end of the seam for the column, make a chain 1, and cut your yarn leaving a tail of a few inches.

Pull the tail through the loop on your hook to secure the stitch. You have now joined two columns together.

A third column of granny squares being attached the second column of granny squares.

Step 7 - Repeat the steps above to attach the third column to the second column, and so on, until you've joined all the columns.

Remember to have the right sides of the squares facing out.

Image showing how to make the transition join in a row over the single crochet joints of the granny square columns.

Step 8 - Once you've joined all the columns, repeat the process to join the rows together.

However, when you get to a corner join, don't make a single crochet in the join, instead chain 3, skip over the join and continue working in the back loops.

4: Finish off

Once you have completed all the joins, use a daring needle to weave in the loose ends.

Granny squares being joined with crochet and text overlay wording that says, joining granny squares with single crochet.

More Crochet Tips And Ideas

  • Ways to crochet granny squares together
  • Crochet gauge
  • How to edge a crochet blanket
  • Joining yarn in crochet

Learn To Crochet

If you are new to crochet and would like to learn more. You might like these:

  • Basic crochet stitches for beginners
  • How to crochet for beginners
  • Crochet terms and abbreviations
  • How to read a crochet pattern for beginners
  • How to read a yarn label
  • How to hold yarn when crocheting

Stay Connected

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Printable Pattern

Red granny squares joined together with white yarn and single crochet stitches.

Joining Granny Squares With Single Crochet (Back Loop Only)

Looking for a simple and seamless way to join your granny squares?
Try the single crochet back loop only method! This technique creates a neat and tidy finish, perfect for any crochet project.
Follow our step-by-step guide to learn how to join your squares effortlessly and beautifully.
Print Pin Rate
Skill Level : Easy
Author :Harriet

What You Will Need

Yarn

  • Use a similar yarn weight to your granny squares.

Hook

  • Use same size hook as used for the granny squares

Notions

  • Scissors
  • Yarn needle

Gauge

  • Use the same tension as you used when making your granny squares for a flexible seam.

Instructions

  • Step 1: Arrange granny squares in desired pattern to avoid mistakes and ensure desired finished look.
    Lay them out on a flat surface and experiment with different arrangements until you find your favorite.
  • Step 2: Select joining yarn of the same weight as granny squares, and choose same or contrasting color. Use a hook of the same size as the squares.
  • Step 3: Here's how to join your squares using the single crochet stitch in the back loop only:
    1. Start by picking up your first two granny squares and lay them on top of each other with the right sides facing out. Make a slip knot in your yarn and secure it onto your hook.
    2. Insert your hook into the corner of the granny squares from front to back, yarn over your hook, and pull through to make a slip stitch. Then insert your hook back into the same corner, from back to front, and make a single crochet.
    3. Next, insert your hook into the back loops of the next two corresponding stitches from front to back. Yarn over your hook and pull up a loop, then yarn over again and pull through both loops to make a single crochet.
    4. Continue in this way, working single crochet stitches in the back loop only along each side of the squares until you reach the next corner.
    5. When you reach the next corner space, work a single crochet stitch into the corner stitch.
    6. Then, pick up two more squares and work a single crochet into the corner stitch of the second square. Continue to make single crochets in the back loops to join more squares as you go.
    7. When you reach the end of the seam for the column, make a chain 1, and cut your yarn leaving a tail of a few inches. Pull the tail through the loop on your hook to secure the stitch. You have now joined two columns together.
    8. Repeat the steps above to attach the third column to the second column, and so on, until you've joined all the columns.
    9. Once you've joined all the columns, repeat the process to join the rows together.
  • Step 4: Once you have completed all the joins, use a daring needle to weave in the loose ends.

More Guides & Information

  • A crochet blanket in a basket.
    How To Crochet A Blanket Step By Step
  • Image of pieces of pink and green crochet with crochet hooks.
    Understanding Front Loop And Back Loop Crochet
  • Picture showing a simple color change in a piece of amigurumi.
    How To Change Yarn Color In Crochet Amigurumi
  • Mini crochet octopus, crochet cat and crochet rabbit.
    Amigurumi Tips For Beginners

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Hi! I am Harriet,

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I created this free crochet pattern website dedicated to beginner friendly patterns.

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