How to join granny squares with an invisible seam

There are numerous joining techniques available for granny squares, and one of the most popular methods is the ‘invisible seam’ technique. This technique creates a flat seam that is not visible, giving the impression that the squares are seamlessly connected at the edges. It is especially beneficial when joining squares of different colors. Below you can find my photo and video tutorial of the invisible seam method for joining squares using a tapestry needle.

For this tutorial I’ve used my new Heart Afghan Square (it’s a free pattern!) with worsted weight yarn and hook size 6mm.

Tips and tricks on joining granny squares with an invisible seam

1. Before you begin, cut a length of yarn that is approximately twice the length of the side you wish to sew. This will ensure you have enough yarn for joining and weaving in the ends.
2. Choose a yarn color that matches at least one of the squares. Even if the other square is a different color, there’s no need to worry. As the name suggests, this joining method is invisible, meaning the seam will not be visible.
3. Make sure that the stitches of both squares are aligned. If you are working with squares that have different stitch counts, it is helpful to use pins or stitch markers to keep the squares together nice and even.
4. Additionally, make sure to pull the yarn tight as you go. Waiting until the end to tighten the seam will make it more difficult to achieve a neat and even join.

Maybe you like these free granny square patterns

Invisible seam method for granny squares

Photo + video tutorial

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Step 1:
Hold your squares together with the right sides facing each other.

Step 2:
Begin in the corners by inserting your tapestry needle into the front loop of the square closest to you and the back loop of the other.

Step 3:
Insert your tapestry needle in the back loop of the next stitch of the square furthest away from you and the front loop of the other square.

Step 4:
Insert your tapestry needle into the front loop of the next stitch of the square closest to you and the back loop of the other square.

Step 5:
Continue repeating step 3 and 4 until you reach the end.

Step 6:
Pull the ends of your sewing yarn tight and weave in the ends.

End of tutorial.

Questions?

If you have any questions about my patterns or tutorials, feel free to join my Facebook Group. I created this group for you to share pictures/ progress, ask questions and to help each other out.