Increase-Decrease Stitch

Increase decrease easy crochet stitch for blanket

The Increase-Decrease stitch is a fun variation on a simple sc, dc fabric. Scroll down for ideas on how to use this stitch, along with the step-by-step plain crochet stitch pattern.

No time right now? Pin this Increase-Decrease crochet blanket stitch pattern for later!

*This post contains affiliate links (only for products I love, use and spend my own money on obviously). This means I earn some yarn money if you make a purchase through one of these links (of course at no extra cost for you!), which I promise to use to create more awesome patterns like this one. In addition, some posts are sponsored by yarn companies. All opinions are my own. See my full disclosure here

What to make with the Increase-Decrease Crochet Stitch

The Increase-Decrease crochet stitch is a simple hearty pattern that can be used anywhere from the main stitch on a garment to blankets, accessories, and more. The linear design will give a discrete yet eye-catching look to any project.

It has the big advantage to be pretty on both sides.

Crochet Stitch Bundle

This easy crochet stitch is part of the Spring Stitch CAL (crochet along). Join the fun and discover all-new crochet stitches here.

All stitch tutorials are available on our blogs but if you want a printable PDF version for easy recording and to take notes etc. You can grab the bundle with all 30 stitches here.

Sometimes it’s just easier to have a stitch dictionary on hand when you’re deciding on your next project rather than having to search online and remember where you saved that stitch you want to use.

Before You Start

Materials

  • 5.5 mm / US I– 9 hook. 
  • Worsted weight yarn. I used WeCrochet Swish, it has an amazing stitch definition which really helps when learning new stitches.
  • Tapestry needle to weave in the ends. I love this set as it has different eye sizes for different yarn thicknesses and it comes in a small tube which is very convenient so I don’t lose them.

Size

The pattern is written for a 15cm by 15cm / 6” by 6” square. 

Stitch Multiple

The pattern doesn’t need a stitch multiple.

Gauge

The gauge for this pattern is 20 st by 15.5 rows in stitch pattern for a 10 cm by 10 cm square (4” by 4”). Confused on how to make or measure gauge? Check out my detailed post all about crochet gauge.

Abbreviations

This pattern uses US notations.

  • st = stitch
  • ch = chain
  • sc = single crochet
  • dc = double crochet
  • yo = yarn over
  • dc2tog = double crochet 2 stitches together (decrease)
free knitting and crochet cheatsheets

Notes

Work instructions between [ ] the indicated number of times or until the end of the row.

The final number of stitches is indicated at the end of the row between < >.

The turning ch 1, ch 2, ch 3 don’t count as a stitch throughout the pattern except if mentioned otherwise.

Stitches above a ch-1 space are worked in the ch-1 space.

The pattern is written in crochet shorthand.  For example:

  • “sc 1” means to single crochet in the next stitch, 
  • “sc 2” means to single crochet in each of the next 2 stitches,
  • and “2 sc” means to single crochet twice in the next st.

All pictures show left-handed crochet. All stitches are symmetrical and can be worked by both right- and left-handed crocheters.

Tips and Tricks

To avoid having too many ends to weave in, weave in your ends while you work by working the first few stitches of a row over the yarn end of the previous row.

The Increase-Decrease Plain Crochet Stitch Pattern

  • With your 5.5mm / US I- 9 hook, ch 20 + 1,
    Row 1: Sc in 2nd ch from the hook, sc across, turn.

  • Row 2: Ch 2, dc, [yo, insert hook in previous st used, pull up a loop, yo, pull through 2 loops, yo, insert hook in current st, yo, pull through 2 loops, yo, pull through all 3 loops on the hook] until end of the row, turn.
    Note: This stitch is the same as a dc2tog but using the same st as the previous st used and the next available st.increase-decrease crochet stitch tutorial step 1

  • increase-decrease crochet stitch tutorial step 2

  • increase-decrease crochet stitch tutorial step 3

  • Row 3: Ch 1, sc across, turn.

  • Repeat Rows 2 and 3 until you reach 15 cm / 6″ finishing on a Row 3.

Blocking

When you’re done with the crocheting part, make sure to weave in all the ends.

To make your stitch pattern even prettier and help straighten your edges block your project lightly.

Don’t skip this step as it can make a huge difference. Read my detailed tutorial on why block, how-to, and all my tips and tricks if you need help.

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