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Treble Shell Stitch

A Tall Shell Stitch Variation Worked Using Treble Crochet

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This stitch is a variation of the popular basic crochet shell stitch. This version of the shell stitch utilizes the treble crochet stitch to create tall, bold shells. There are bunches of different ways you could do this; I’m giving you a set of instructions that I worked out, but it would be interesting to experiment with other possibilities, as there could be many possible approaches.
Treble Crochet Shell Stitch

Treble Crochet Shell Stitch

Photo © Amy Solovay

Materials Needed:

Yarn or Crochet Thread: You can work this stitch in any yarn or crochet thread you like. I’ve used three different colors of Caron Simply Soft yarn to crochet my sample swatch pictured here. The colors I used are as follows:

  • Color A: Strawberry, the bright pink colored yarn
  • Color B: Autumn Maize, the golden tan colored yarn
  • Color C: Chocolate, the dark brown colored yarn

Feel free to use other yarn colors and / or brands.

This color combination is prettier in real life than it looks on the computer screen; the colors just aren't as nice in the photo, despite my best efforts to make them look like the original.

To crochet the striped design as pictured, work a row of color A, then a row of color B, then a row of color C, then start the pattern over with another row of color A, then B, then C, repeating again and again until the piece is the length you want it to be.

You can also crochet this stitch pattern in one color if you like, or you can vary the number of colors used.

Crochet Hook:

To crochet the swatch as pictured, I used a size I / 5.5 mm crochet hook, which works well with worsted weight yarn. If you use a different yarn weight, you’ll want to choose an appropriate hook for the yarn or thread you’ve chosen. Check your yarn label for a suggested hook size if you aren’t sure which hook to use.

Other: Tapestry needle for weaving in ends.

Crochet Abbreviations Used on This Page:

Design Notes: If you want to work with more than one color, you’ll need to know how to change colors. Check out our free video on switching colors in crochet.

Before you complete the last step of the last stitch in each row, change to the next color you want to work with.

This stitch is a multiple of 8 + 3 sts.

Stitch Instructions:

Crochet a length of chain stitches that works with the starting chain formula mentioned above.

Row 1: Work a hdc st in the third ch from your hook. [Skip 3 ch sts. Work 7 tr in next ch. Skip next 3 ch sts. Hdc in next ch st.] Rep the sequence in brackets all the way across the row.

Row 2: Ch 4, turn. Your turning chain counts as the first tr in the row. Work 3 more tr into the same st to create a half-shell. [Work a hdc in the center of the next shell, then work 7 tr into the next hdc st.] Rep the sequence in brackets all the way across the row. At the end of the row, work a hdc st into the center of the last shell, then work 4 tr into the last hdc.

Row 3: Ch 2, turn. Hdc in first st. [Work 7 tr in next hdc st, work a hdc st in the center of the next shell.] Rep the sequence in brackets all the way across the row. End the row by working 7 tr into the next hdc st, then working a hdc st into the turning chain.

Rep rows 2 and 3 for the pattern repeat.

There are many different possible variations of the shell stitch. Want to see more? Check out our page of shell stitches, with free instructions.

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