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Mattress Stitch Crochet Seam Tutorial

May 20, 2021 / No Comments

Hi there crochet friend!

Today, I want to show you how to work my favorite seam type, the mattress stitch. It can be a little tricky and may take some practice, but once you get the hang of it, I think you’ll love it!

The mattress stitch is a great way to seam crochet fabric together in a way that’s almost completely imperceptible. Sewing the short sides of a rectangle together to make a hat? Joining granny squares for a blanket? Sewing the shoulders of a garment together? Sometimes seams are unavoidable, but they don’t have to be noticeable.

Set Up

Unlike other seaming techniques, where you sew your seam on the inside of your work, the mattress stitch is actually worked on the right side of your fabric. “Right side” refers to the side of your fabric you want people to see…the good side of your fabric if you will. Line up your two pieces of fabric with the right sides facing up. For this tutorial, I’ve got Piece 1 on the bottom and Piece 2 on top. Join your pieces together by threading the needle under the top ‘v’ of the first stitches of both pieces.

Psst! If you don’t know what I mean by the top V, see this post!

Two swatches are lined up one on top of the other, the bottom swatch is labeled "Piece 1" and the top swatch is labeled "Piece 2." Text reads: "With the fabric lined up and right sides facing up, join the ends together by threading the needle under the top 'v' of the first stitch of Piece 1 then Piece 2."

Following the photo tutorial is a video tutorial, just in case you need to see it in action.

Photo Tutorial

  • "Return to Piece 1. Insert the needle down into the top 'v' of the 1st stitch, come back up through the top 'v' of the 2nd stitch, and pull through. Be sure that you work your needle behind the post of that 1st stitch."
  • "Return to Piece 2 and repeat with the 1st and 2nd stitches of that piece. Be sure to keep the needle to the inside of the post of the 1st stitch."
  • "Return to Piece 1. Insert your needle down into the top of the 2nd stitch, the same place your needle came out of previously."
  • "Thread your needle back up through the top 'v' of the 3rd stitch. Like before, keep your needle to the inside of the post of the 2nd stitch. Pull through."
  • "Return to Piece 2 and repeat the same process in the 2nd and 3rd stitches of that piece. Be sure to keep the needle to the inside of the post of the 2nd stitch."
  • "Continue repeating across until the end. You will want to gently tug your needle yarn to tighten the seam as you go. I left my tightening until the end to illustrate the seam."
  • "When you've finished tightening, the right side of your fabric should look like this. You can't see the contrasting yarn at all!"
  • "The back side has a more noticeable seam, but still that contrast yarn is pretty well hidden."

Video Tutorial

If you want to see this stitch in action, I’ve recorded a video tutorial for you as well!

I hope you enjoyed this tutorial! Keep practicing and learning!

Until next time!

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