If you want to know how to slip stitch granny squares together, the crochet flat slip stitch join is just what you need to learn!
It’s one of the most pretty ways to join multiple granny squares together with a flat seam, like joining the Classic Granny Square, Clover Leaf Granny Square or Ferris Wheel Granny Square.
It can also be used to crochet other crochet pieces together, like the Crochet Jacket and Crochet Cardigan with Pockets.
This slip stitch granny square join is both super easy and looks amazing.
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What is the Slip Stitch Crochet Join?
The slip stitch crochet join is a joining method often used for joining granny squares with slip stitches, it’s an alternative to the join as you go method, single crochet join and whip stitches.
You can also use the crochet flat slip stitch join to assemble other crochet pieces together.
The slip stitch crochet join uses slip stitches that are worked through the two pieces you are assembling to join the pieces together.
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Materials Needed to Crochet Flat Slip Stitch Join
To crochet the slip stitch crochet join you can use any crochet hook size and yarn. If you’re following a crochet pattern, use the crochet hook and yarn suggested.
Crochet Abbreviations
- sl st – slip stitch
We try our best to include all crochet abbreviations in the list above for the crochet stitch pattern, but sometimes we may forget one or two.
Learn more about crochet abbreviations & find a complete list on our Crochet Abbreviations & Terms post.
How to Join Granny Squares With a Flat Seam
In the crochet tutorial below the slip stitch granny square join are shown in a contrasting color of yarn to make it easier to see. This is a great alternative for making the flat slip stitch seam a feature of your crochet piece.
If you would like it to be less noticeable, opt for the same yarn color as the main color of your crochet project.
Use the following steps to crochet the slip stitch crochet join!
Crochet Flat Slip Stitch Join
Skill Level
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Materials
Abbreviations
Instructions
- Make a slipknot before you start
- Insert hook in the back loop of the corner stitch on the left square.
- Insert crochet hook through the back loop of the corner stitch on the right square. Make sure your yarn is behind your work at all times.
- Pull through both loops, making the first slip stitch (you can’t really see the first slip stitch on this photo, it’s behind the hook).
- Go through back loop of the next square on left side.
- Go through back loop of the next square on the right side. Notice working yarn is behind.
- Yarn over and pull through all loops. Repeat steps from the previous 3 photos in the next stitches.
- How it looks after finishing a few stitches.
- How it looks after you have crocheted along 1 side of the squares.
- Continue to another pair of granny squares. Here’s the next 2 squares placed, ready to continue without cutting yarn.
- Showing crossing over to the next 2 squares.Work rows in 1 direction first. Then rows in the opposite direction.When you finish your flat crochet join, weave in any yarn ends with a needle.
How to Slip Stitch Granny Squares Together FAQ
Is there a right side and wrong side of the crochet flat slip stitch join?
Yes, there is a noticeable right and wrong side of the crochet flat slip stitch join. You will crochet the two pieces of crochet fabric together with the right side facing.
Is the crochet flat slip stitch join the same as surface crochet?
No, the crochet flat slip stitch join is used to work 2 pieces of crochet together, like joining crochet squares, while surface crochet uses slip stitches to create stripes, ribbing and crochet motifs on top of a already crocheted fabric.
What is the difference between the crochet flat slip stitch join and joining with a slip stitch when you crochet in the round?
When you are crocheting the flat slip stitch join, the objective is to crochet two pieces together. The slip stitches create a seam that attaches them to each other.
When you are joining with a slip stitch when crocheting in rounds, you will crochet a slip stitch after the last stitch of the round, into the top of the first stitch of the round to join them together.
Is the invisible join an alternative to the flat slip stitch join?
No, the invisible join is used to end crochet rounds, not to join two crochet pieces together.
Free Crochet Patterns Using the Flat Slip Stitch Crochet Join
- Ferris Wheel Granny Square Shawl
- Your Sunday Shawl
- Clover Leaf Granny Square Pillow
- Crochet Cardigan With Pockets
- Your Sunrise Socks
- Crochet Jacket Pattern
- Crochet Cardigan With Pockets
When assembling crochet pieces, such as in the free patterns mentioned above, a great alternative for crochet seams is to use the Whip Stitch instead of the Flat Slip Stitch Join. It’s all about preference!



