How to Knit a Colour Block Garter Stitch Chevron Blanket [Free Written Pattern & Video Tutorial!]

If you’ve been looking for a project that’s both visually striking and surprisingly beginner-friendly, you’ve landed in exactly the right place. This colour block garter stitch chevron blanket combines two of the most satisfying things in knitting: bold, modern colour blocking and the rhythmic, meditative pleasure of working a chevron pattern. The result is a blanket that looks like it came from a boutique home goods shop but costs a fraction of the price and gives you the deep satisfaction of making it yourself.

In this post, I’m walking you through the complete free written pattern, sharing tips to help you avoid common mistakes, and pointing you toward the video tutorial if you’re a visual learner who likes to knit along. Whether you’re a confident beginner or an intermediate knitter looking for a weekend project with serious wow factor, this one is for you.

What Makes This Blanket Special

Chevron blankets have been a staple of the handmade world for decades, and for good reason. The zigzag lines create movement and energy in a finished piece without requiring complex stitch work. When you layer that chevron structure with deliberate colour blocking — meaning large, defined sections of single colours rather than frequent colour changes — you get something that feels both contemporary and timeless.

The garter stitch base makes this pattern particularly accessible. Because every row is simply knit (no purling required), you can focus entirely on keeping track of your increases and decreases rather than managing a combination of stitches. It also means the fabric lies beautifully flat without any blocking gymnastics, which is a gift when you’re working on a project this size.

The finished blanket works as a throw for a sofa, a baby blanket in a smaller size, or even a generous lap blanket for cooler evenings. Knit it in neutral tones for a Scandinavian-inspired look, go bold with primary colours for a children’s room, or choose pastels for something soft and dreamy.

Materials You’ll Need

Before casting on, gather everything so the project flows without interruption.

Yarn: This pattern is written for a bulky or super bulky weight yarn, which works up quickly and gives the chevron pattern a lovely, defined look. You’ll need approximately 300–400 grams of each colour depending on how many colour blocks you choose and the finished size you’re aiming for. A wool or wool-blend yarn will give you the best stitch definition and drape, though acrylic works well if you need the blanket to be machine washable.

Needles: Use a 10mm or 12mm circular needle with a cable long enough to hold all your stitches comfortably. Even though you’re knitting flat (back and forth), circular needles make it much easier to manage the width of a blanket.

Additional supplies: Scissors, a tapestry needle for weaving in ends, and stitch markers if you’re a visual person who likes to mark the peak and valley points of the chevron.

Gauge: Because blankets are forgiving projects, gauge isn’t critical here in the way it would be for a fitted garment. Aim for roughly 8–10 stitches over 10cm in garter stitch with bulky yarn. If your blanket is coming up slightly larger or smaller than expected, adjust your needle size accordingly.

Choosing Your Colours

Colour selection is where this project really becomes personal, and it’s worth spending a little time thinking it through before you start winding yarn.

A three-colour blanket is the most classic approach and works beautifully for beginners. Choose one neutral (like cream, grey, or oatmeal) and two accent colours, or go for three tones of the same colour family for a gradient effect. A four-colour version gives you more visual interest and is a great way to use up yarn you already have in your stash.

Think about contrast as well as colour. A blanket where all the colours are of a similar tone — all light, or all muted — can look elegant but may lose some of the graphic punch that makes chevrons so striking. Placing a darker colour next to a lighter one emphasises the zigzag lines and makes the pattern pop.

If you’re unsure, hold your yarn skeins together in natural light and step back. If they read as distinctly different from a metre away, they’ll work well together in the blanket.

Understanding the Chevron Structure

Before diving into the written pattern, it helps to understand what’s actually happening in a garter stitch chevron so you can troubleshoot any issues that arise.

A chevron is created by a combination of increases (which push the fabric upward to form a peak) and decreases (which pull the fabric downward to form a valley). In a garter stitch chevron, the increases are typically worked as “knit into the front and back of a stitch” or as yarn overs, and the decreases are worked as double decreases — knitting three stitches together or working a slip-slip-knit combined with a knit-two-together.

The key principle is that the total stitch count remains the same on every row. Every increase has a corresponding decrease, so the number of stitches on your needle after row one will be the same as after row one hundred. If you notice your stitch count creeping up or down, it means an increase or decrease has been accidentally skipped, and it’s worth tinking back (that’s knitter-speak for unknitting stitch by stitch) to find the error.

Once you’ve worked a few pattern repeats and the chevron rhythm is in your hands, you’ll barely need to look at the pattern. It becomes instinctive.

The Free Written Pattern

Abbreviations Used

k — knit
kfb — knit into the front and back of the stitch (an increase that adds one stitch)
k2tog — knit two stitches together (a right-leaning decrease)
ssk — slip, slip, knit (a left-leaning decrease)
sl1 — slip one stitch purlwise with yarn in front
RS — right side
WS — wrong side
rep — repeat
pm — place marker
sm — slip marker

Sizing

Baby / Cot Blanket: Cast on 73 stitches (for 3 chevron repeats)
Lap Blanket: Cast on 121 stitches (for 5 chevron repeats)
Throw Blanket: Cast on 169 stitches (for 7 chevron repeats)

Each chevron repeat is 24 stitches, with 1 stitch added at each end as an edge stitch. The formula for any size is: (24 x number of repeats) + 1.

The Pattern

Cast On

Using your first colour, cast on the number of stitches for your chosen size using the long-tail cast on method. This cast on gives you a neat, stretchy edge that looks tidy on the finished blanket.

Garter Border (optional but recommended)

Work 4 rows in plain garter stitch (knit every row). This creates a flat, tidy border at the bottom of your blanket and prevents the cast-on edge from curling. Edge stitches on every row: slip the first stitch purlwise with yarn in front, and knit the last stitch. This gives you a clean, chained selvedge on both sides.

Setting Up the Chevron Pattern

The pattern is worked over a 24-stitch repeat. For clarity, the instructions below are written for the throw size (169 stitches / 7 repeats), but the stitch logic is identical for all sizes — simply work the repeat the relevant number of times.

Row 1 (RS): Sl1, k1, kfb, k9, sl1-k2tog-psso (central double decrease), k9, kfb; rep from to last stitch, k1.

Row 2 (WS): Sl1, knit to last stitch, k1.

That’s it. Those two rows are your entire chevron pattern. Repeat rows 1 and 2 throughout the blanket, changing colours at the intervals described below.

A note on the central double decrease: slip one stitch knitwise, knit the next two stitches together, then pass the slipped stitch over the stitch just made. This creates a neat central decrease that forms the valley of your chevron. Working it consistently and in the same orientation every time will keep your valleys looking crisp and tidy.

Colour Block Sections

For a three-colour blanket, work each colour for approximately 20–30 rows before changing. For a four-colour blanket, 15–20 rows per colour gives you good definition without the sections feeling too narrow.

To change colours: At the beginning of a right-side row, drop the old colour (leave a tail of about 15cm for weaving in later), join the new colour, and continue as established. Do not cut the old colour if you plan to return to it within the next few colour changes — you can carry it up the side of the work for a short distance to save on yarn ends. For a full colour block approach where each colour is used only once, simply cut and join as you go.

Work through your colour sequence as many times as needed to reach your desired blanket length. A throw blanket typically looks proportionate at around 120–140cm long, which will require roughly 80–100 rows total depending on your gauge.

Garter Border (Top Edge)

When you’re happy with the length of your blanket, work 4 rows in plain garter stitch using your final colour (or return to your first colour for a symmetrical look). Then cast off loosely. A stretchy cast off — such as the k2tog cast off, where you knit two stitches together, slip the resulting stitch back to the left needle, and repeat — will keep the top edge as elastic as the bottom.

Finishing

Weave in all your ends using a tapestry needle, working each tail through the back loops of the fabric in a few different directions to secure it. Pay particular attention to the ends at colour change points, as these can work loose over time if not anchored well.

Give your blanket a light wet block if you’ve used a natural fibre yarn: soak it in cool water for 20 minutes, gently squeeze out the excess (never wring), and lay it flat to dry. This evens out any slight tension inconsistencies and gives the finished piece a beautifully polished look. If you’ve used acrylic, a light steam block or simply washing and drying it in the machine will relax the fibres nicely.

Tips for Success

Keep your tension consistent at colour joins. The rows immediately after joining a new colour can sometimes be tighter or looser than the rest of your work. Being mindful of this during those first few stitches with a new colour can make a big difference to how clean your colour transitions look.

Use stitch markers at the peaks and valleys. If you’re still getting comfortable with the chevron rhythm, placing a marker at each peak and each valley point helps enormously. You’ll always know exactly where your increase or decrease is meant to happen.

Count your stitches regularly. Especially in the first several rows while the pattern is establishing itself and the chevrons haven’t yet become visually obvious, counting at the end of each row gives you instant confidence that everything is on track.

Work in good light. This sounds obvious, but knitting chevrons in dim lighting — especially with darker yarn colours — makes it harder to see your stitch structure clearly. Good lighting reduces errors and makes the knitting itself more enjoyable.

Don’t panic if your chevrons look a little wobbly at first. The nature of garter stitch is that it compresses vertically, which can make the fabric look a bit scrunched until it relaxes. After a few colour blocks, the chevron pattern will become clearly defined and gorgeous.

Video Tutorial

If you’re a visual learner, or if any part of the written pattern feels unclear, the video tutorial walks you through everything from casting on to casting off. Watching the central double decrease worked in real time is particularly helpful if you’ve never worked one before, and seeing the colour joins demonstrated on camera makes it easy to get that step looking neat and tidy.

The video is divided into chapters so you can skip to exactly the section you need, whether that’s the cast on, the chevron rows themselves, the colour changes, or the finishing steps. Knitting along with the video is a great option if you prefer company while you work.

Frequently Asked Questions

Can I make this blanket with lighter weight yarn?

Absolutely. You can use any weight yarn with this pattern — simply adjust your needle size accordingly and understand that the finished blanket will take longer to knit and require more yarn. A DK or aran weight version worked on 4–5mm or 5–6mm needles would make a beautifully detailed, lighter-weight blanket.

How do I add more colours?

Simply treat each colour as an additional block. There’s no limit to how many colours you can use, though blankets with more than five or six colours can start to look very busy unless the palette is carefully curated.

What if my chevrons don’t line up at the colour changes?

They will, as long as you’re always starting new colours at the beginning of a right-side row. The chevron structure is continuous throughout, so the colour blocks simply layer on top of the same zigzag framework.

Can I knit this in the round?

The pattern as written is designed for flat knitting. Adapting it for circular knitting is possible but requires reversing the wrong-side rows (purling instead of knitting), which removes the simplicity of the all-knit garter stitch construction.

Final Thoughts

There’s something deeply satisfying about a project where the stitch pattern and the colour work together to create something that looks far more complex than it actually is. The colour block garter stitch chevron blanket is exactly that kind of project — it rewards you with stunning results while remaining genuinely manageable, even on the days when you only have twenty minutes and half a brain cell to spare.

The repetitive nature of the two-row pattern means this is also wonderful project for knitting through audiobooks, podcasts, or a long TV series. Your hands stay busy, your eyes stay on the screen, and your blanket grows in that deeply pleasing, almost magical way that makes knitting such a joy.

Cast on, find your rhythm, and enjoy every stitch. I’d love to see your finished blankets — share them in the comments below or tag me on social media so I can admire your colour choices. Happy knitting!