Celtic Knot Square – FREE crochet pattern

Welcome to Celtic Knot Crochet where I love to combine my love of Ireland and Celtic Knots with crochet!

I am excited to share this NEW and FREE Celtic Knot Crochet pattern with you – Thank you Tamara Kelly of Moogly for inviting me to join in on the 2021 CAL fun! I have enjoyed seeing each square so far this year – it is amazing how you can make so many squares with the same yarn! This is square number 12 and I love how it turned out.

If this is your first Celtic Knot Crochet project – don’t worry. Most of the stitches used are basic stitches and the knot weaving techniques are very easy especially if you download the accompanying color diagram found in the Celtic Knot Resource Library. I also created a step-by-step video tutorial that you can watch here.

**Printable downloadable PDF of this pattern available here **

I crocheted the square shown above with Red Heart’s With Love yarn – I have been crocheting with this yarn for several years but this is the first time I’ve used it for a Celtic design. I thought the Peacock color was so pretty and it caught my eye first. Then I chose the lighter blue (Iced Aqua) and the dark gray (Pewter) to go with it but of course, you can use whichever colors you like!

Yarn options: It is best to use a medium weight acrylic yarn if you want your square to come out the same size as mine – one skein is more than enough for one square. Start with picking a color for the cords of the knot center. I think it works best to pick another shade of the same color for the thin edging. Then you’ll want to decide on a color that helps the knot design really pop. As you can see by the photos, I decided to repeat the darker blue (Peacock) as part of the edging that turns the knot into an even square.

Skill Level: Easy

Measurements:

Completed Knot Center = Approx. 7 ¾” x 7 ¾” (corner to corner)

Finished Square = 12” x 12”

Supplies:

**Click on name of supply to purchase – Photos of supplies are above and below**

(Please note that many of the links in this post are affiliate links which means that this blog earns a small commission with each purchase you make at no extra cost to you – It’s a win-win! This way I can continue to provide free content and the patterns you love. Thank you for your support 🙂 )

Red Heart With Love – 1 skein each of Peacock, Iced Aqua & Pewter

6.00mm (J) hook

Cork board or foam core board (10” x 10”)

20-30 straight sewing pins

4 stitch markers

Tapestry needle

Gauge: 7 dc = 2 inches; Cord width with edging = Approx. 1 ½”

Get Access!

Before we get to the pattern, I invite you to follow Celtic Knot Crochet on Youtube where you’ll find many more project and technique tutorials!

Come follow me on Instagram  and make sure to use @celticknotcrochet or #celticknotcrochet if you make this or another one of my designs!

I have all sorts of inspiration on Pinterest, too –

And don’t forget to sign up for our weekly newsletter here where you’ll receive new FREE patterns to your inbox and be notified about tutorials. You’ll also find out how to enter a bunch of neat giveaways, receive discounts in my pattern shop and get access to our Resource LibraryPlus, you’ll receive a FREE Celtic pattern instant download as a thank you gift. 

Abbreviations and Special Stitches:

(The Special Stitches are in bold and italicized text within the pattern below)

YO = yarn over;  Hk = hook

Ch = chain; Lp = loop

Sp = space; Sk = skip

Back bar of the Chain = When looking at the right side of a chain, you see many “V’s” and the chain looks like a braid. Turn the chain over and you see a series of bumps – it is in these bumps that you will work across the chain to produce a cord with even edges along both sides

Click here to watch a short video tutorial on this technique

Dc (double crochet) = YO, insert hk into st, YO, draw up a lp, (YO, pull through 2 lps on hook) twice

Tr (treble crochet) = YO twice, insert hk into st, YO, draw up a lp, (YO, pull through 2 lps on hk) 3 times

Ext tr (extended treble) = YO twice, insert hk into st, YO, draw up a lp, YO, pull through 1 lp on hk; (YO, pull through 2 lps on hk) 3 times

Ch-2 picot = ch 2, sl st in the lp just below the top front lp of the previous st

Sl st (slip stitch) = Insert hk into st, YO, pull through stitch and lp on hk

Join with sc (join with single crochet) = With slip knot on hk, insert hk into st; YO, draw up a lp; YO, pull through both lps on hk

Back Loop Only = Insert hk only into the back lp at the top of the stitch

Click here to watch a short video tutorial of this technique

Sc (single crochet) = Insert hk into st, YO, draw up a lp, YO, pull through 2 lps on hk

Join with sl st (join with slip stitch) = With slip knot on hk, insert hk into st; YO, pull through st and through lp on hk

Ext. dc (extended double crochet) = YO, insert hk into st, YO, draw up a lp; YO, pull through first lp on hk; (YO, pull through 2 lps on hk) twice

Join with hdc (join with half double crochet) = With slip knot on hk, YO, insert hk into st; YO, draw up a lp, YO, pull through all 3 lps on hk

Hdc (half double crochet) = YO, insert hk into st; YO, draw up a lp, YO, pull through all 3 lps on hk

Notes:

First 3 cords are crocheted with Peacock (darker blue) and then edged with Iced Aqua (lighter blue)

Next these 3 cords are woven into the decorative knot using the Celtic Knot Diagram – FREE PDF download of diagram can be found in our Resource Library here

Lastly the decorative knot is edged with 5 rounds of crochet stitches using the Pewter and Peacock

Need some help? Well, good news for you! There is a complete step-by-step video taking you through all the sections of this project so that you can be successful with your own Celtic Knot Square:

Instructions:

Diagonal Cord – Make 2:

(Remember ALL Special Stitches that are in bold and italicized text are explained in the list above and in the video tutorials)

With Peacock ch 55

Row 1: Working in the back bar of the ch, dc in 3rd ch from hk and in each of the next 18 chs; (tr, ch 1, ext tr, ch-2 picot, 2 tr) all in next ch; dc in each of next 25 chs; (tr, ch 1, ext tr, ch-2 picot, 2 tr) all in next ch; dc in each of last 7 chs. Do not turn. Fasten off.

Row 2:  With Right Side facing join with sc in 1st dc of Row 1; sc in each of next 19 sts;

{sc in back loop only of next ch-1 sp; sc in next st; sc in back loop of next ch (in ch-2 picot); (sc, ch 1, sc) in back loop of next ch (and mark ch 1 with a stitch marker)};

Sc in each of next 28 sts; Repeat {  }; sc in each of next 9 sts; Fasten off.

Edging: Work in Iced Aqua

Along Outside Edge of Cord: With Right Side facing and working in back loop only,  join with sl st in 1st st of Row 2; sl st in each st across making sure to work (sl st, ch 1, sl st) in both ch-1 sps marked with stitch markers; Fasten off leaving a long tail for assembly.

Along Inside Edge of Cord: With Right Side facing and working in back loop only, join with sl st in bottom of 1st st on other end of Row 1; sl st in each st across. Fasten off.

Square Cord:

Row 1:  With Peacock ch 54

Working in the back bar of the ch, dc in 3rd ch from hk and in each of next 7 chs;

*2 dc in next ch; dc in next ch; 2 dc in next ch;

Dc in each of next 10 chs;*

Repeat * to * 3 times;

2 dc in next ch; dc in next ch; 2 dc in next ch;

Dc in each of next 2 ch. Do not turn. Fasten off.

Row 2: With Right Side facing and Peacock join with sc in 1st  st of Row 1; sc in each of next 7 sts;

*2 sc in next st; sc in each of next 2 sts; 2 sc in next st; sc in each of next 11 sts;*

Repeat * to * 2 times;

2 sc in next st; sc in each of next 2 sts; 2 sc in next st;

Sc in each of last 3 sts. Fasten off.

Edging: Worked in Iced Aqua

Along Outside and Inside Edge: With Right Side facing and working in the back loops only, join with sl st in st at end of cord; loosely sl st in each st across

Weave Knot:

1. Print out Celtic Knot Diagram (FREE in our Resource Library here in the Celtic Knot Diagrams section)  – making sure that measurement guideline measures 1”(2.54cm) (Line under knot image)

2. Pin knot diagram to corkboard

3. Make sure Right Side of all cords are facing

**Diagonal Cord 1 = Green path; Diagonal Cord 2 = White path; Square Cord = Blue path**

4. Lay Diagonal Cord 1 along green path lining up cord ends with * (red asterisk) and pin in place

5. Lay Diagonal Cord 2 along the white path lining up cord ends with * (black asterisk) and pin in place making sure to pass over and under other Diagonal cord – as you weave the knot, all of the points fall into place within the knot’s pattern 

6. Now pin beginning of Square cord end at square dot on diagram (which will be under Diagonal Cord 2)

7. Carefully follow the blue path and arrows. Pass over and under other cords until end at same square dot pinning cord in place as you go

8. Pin all crossings and remove knot from corkboard

9. Using yarn needle and yarn tails sew together cord ends and all crossings making sure that stitching does not show on the Right Side

Knot Edging:

(Refer to side of Knot Diagram for placement of scs across each section of first round of edging)

For Round 1 of edging you will be working in a loop BEHIND the sl st edging along each cord

As indicated by the yarn needle in this photo

Round 1:  With Pewter join with sc at Point E (see Diagram);

Section 1: *[ch 3, sk next st; sc in next st;] 2 times;  ch 3, sk next 2 sts, sc in next st;

Section 2:  Ch 3, sc in st on next section, ch 3, sk next st, sc in next st, ch 3;

Section 3:  sc in st on next section; ch 3, sk next 2 sts; sc in next st, [ch 3, sk next st, sc in next st] 2 times

At corner: ch 2, sc in 1st st (along next side);*

Repeat from * to * 3 more times ending with sl st in 1st sc. (9 ch-3 sps along each side, 1 ch-2 sp at each corner)

Round 2: Sl st into next ch-3 sp; ch 3 (counts as first dc), dc in same sp;

3 dc in each of next 2 ch-3 sps;

[ * 3 tr in each of next 3 ch-3 sps; 3 dc in each of next 2 ch-3 sps; 2 dc in next ch-3 sp;

(Ext. dc, tr, ext. dc) in next ch-2 sp (corner); ]

2 dc in next ch-3 sp;

3 dc in each of next 2 ch-3 sps; *

Repeat * to * around 3 more times;

Repeat [ ] 1 more time ending with sl st to top of starting ch-3. (112 sts)

Round 3: Ch 2 (counts as first hdc), hdc in each st around working 3 hdc in each tr at the corners marking center hdc with a stitch marker; end with sl st in top of starting ch-2. Fasten off. (120 sts)

Round 4: With Peacock join with hdc in last sl st of Round 3; hdc in each st around and work 3 hdc in each st marked with stitch marker at corners – Mark center hdc of the 3 at the corners with stitch marker; join with sl st to 1st st. (128 sts)

Round 5: Ch 1, sc in each st around except at corners – At corners work 2 sc in st before and after each stitch marked with the stitch marker; end with sl st to 1st sc. Fasten off. (136 sts)

Finishing:

Blocking:

Wet square with cold water so soaked through

Press out excess water with a clean towel

Lay out square on dry towel and flat surface pulling out spaces and stitches so lay flat and evenly;  

Optional: Place corkboard under towel and pin square taut at corners and along sides

Let dry completely

And there you have it –your Celtic Knot Square is complete!

I hope you enjoyed making this project – Please send me a photo of your completed square to jennifer@celticknotcrochet.com or you can tag me on Instagram @celticknotcrochet (or use #celticknotcrochet).

Make sure to add the image below to your Pinterest board so you don’t forget where you found this pattern!

I love to see what you make from my patterns!

Thank you Moogly for inviting me to be a part of the Moogly CAL 2021!

Jennifer

©Copyright 2021 – Jennifer E Ryan- www.celticknotcrochet.com- all rights reserved. No part of this publication may be reproduced, distributed or transmitted in any form or by any means, including photocopying, recording or other electronic or mechanical methods, without the prior written permission of the publisher but please do link to this page to share this pattern with others.

If you wish to make items for sale from this pattern, please see our About page for details.

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8 thoughts on “Celtic Knot Square – FREE crochet pattern

  1. Thank you for another great square. I like making your squares in cotton yarn for hot pads in my kitchen. They make the perfect accent pieces!

    1. You are welcome! That’s a great idea to use cotton yarn so it can be used in the kitchen 🙂 Happy crocheting!

  2. I am trying to make the celtic knot square but the resource library is not letting me in it just sits there without any message. I tried asking for a new subscription and it says I already have a subscription. Can you just send me the diagram for the square?
    Thanks

    1. Hi – Sorry you are having problems accessing the diagram. Since I see you subscribed back in Feb. and I have your email address, I will send you the password. Hope you are able to make the square. 🙂

  3. I’m trying to do is get a print out so I can crochet but I’m having a big time trying to get the free one it just doesn’t want to give it to me it seems like

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