Home » pattern roundup » 20 Free Modern Granny Square Cardigan Patterns: 1 technique, 20 unique designs

20 Free Modern Granny Square Cardigan Patterns: 1 technique, 20 unique designs

Crocheting a cardigan using granny squares blends classic crochet techniques with contemporary fashion and in this collection of free patterns, I’ve gathered together different designs of granny square cardigans for you to choose the style that suits you best.

You can also download a free PDF guide showing four different granny square cardigan layouts to inspire you to design your own.

Montage of four photos showing differently designed granny square cardigans

The granny square has long been a staple in the world of crochet. Its timeless charm and versatility make it the perfect building block for crafting unique and stylish modern crochet cardigans. Whether you’re looking to add a touch of elegance to your wardrobe or infuse your style with a burst of colour and creativity, these cardigan patterns have something for everyone.

I’ve chosen cardigans of different lengths, fit, and sleeve styles so that you can find the perfect project for any season or occasion. Some patterns offer customization options, allowing you to tailor your cardigan to your body measurements and personal style.

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Creating Granny Square Cardigans: Construction, Joining Methods, Customization and more

Granny squares are small, typically square-shaped crochet motifs that feature a combination of stitches and often have a traditional, vintage look. Some of the patterns in this collection use a mix of small and large granny squares. When used to make a cardigan, they can result in a cozy and eye-catching piece of clothing. Here’s some information about crochet granny square cardigans:

Construction

Granny square cardigans are typically constructed from numerous granny squares that are crocheted separately. These squares can be made in various sizes and designs, depending on the desired pattern and style of the cardigan.

Joining Method

Once you’ve crocheted your squares, you’ll join them together using your chosen joining method. Common methods include slip stitching them together, whipstitching, or crocheting them together with slip stitches or single crochets. The choice of joining method can impact the overall appearance of the cardigan.

Sleeves and Edging

Once the main body of the cardigan is assembled from the granny squares, sleeves are typically added separately. The number of rounds or rows for each sleeve can be adjusted to achieve the desired length. Additionally, a border or edging may be added to the cardigan, such as a single crochet or a more intricate border pattern.

Yarn and Colours

The choice of yarn for a crochet granny square cardigan can vary widely. Yarn is often selected to suit the season the cardigan will be worn. Many feature a mix of colours and are the ideal project for using up scrap yarn to create a colourful and eclectic look.

Customization

Granny square cardigans are highly customizable! Experiment with different granny square patterns, colour combinations, and sizes to create a one-of-a-kind garment that suits your style.

If you’re looking for inspiration to help you design your own crochet cardigan, I can help! 

Download my free PDF guide showing four different granny square cardigan layouts.

Versatility

These crochet cardigans can be worn in various settings and seasons. Depending on the yarn choice and design, they can be cozy and warm for cooler weather or light and airy for spring and summer. They can be dressed up or down depending on the occasion.

I believe granny square cardigans are popular because they offer a great balance between traditional crochet techniques and modern fashion. Fun and creative, these projects give enjoyment and result in unique and eye-catching garments that can be a conversation piece in your wardrobe.

4 photos showing bright and colourful crochet granny square cardigans

8 Top Tips for Crocheting a Granny Square Cardigan

Here’s my 8 top tips for crocheting your cardigan

  1. Gauge: Pay attention to your gauge when making the granny squares. Variations in tension can result in squares of different sizes, which can make joining them more challenging. To maintain uniformity, use the same hook size and yarn for all squares or block them to size if necessary.
  2. Colour Planning: Plan your colour scheme carefully, especially if you want a coordinated or harmonious look. You can use a colour wheel or colour theory principles to help you select complementary or contrasting colours that work well together.  My go to resource is Perfect Palette by Lauren Wagner.  In my opinion it’s a must have!  Each chapter explores a particular mood and describes the corresponding feelings and colours. At the end of each chapter, a wide variety of palettes representing the chapter’s particular mood or atmosphere is included.
  3. Square Blocking: Blocking your granny squares can help them lay flat and evenly sized. Wet blocking is a common method where you dampen the squares, shape them, and let them dry. This can make joining them together easier.  I don’t recommend wooden blocking boards because they tend to warp and become brittle.  Try this interlocking blocking mat.  It has longevity and does the job perfectly.
  4. Seaming Techniques: If you’re new to joining crochet pieces, practice your seaming technique on a few scrap squares before working on your cardigan. Neat and secure seaming is essential for a polished finish.
  5. Sleeve Attachments: When adding sleeves to your cardigan, consider using stitch markers to evenly distribute and attach them to the body. This helps ensure that the sleeves are symmetrical and correctly aligned.
  6. Finishing Touches: After assembling your cardigan, weave in all loose ends neatly and securely to prevent them from unraveling over time.
  7. Blocking the Finished Cardigan: Once your cardigan is complete, consider blocking the entire garment to even out the stitches, help it lay flat, and improve its drape. This step can add a professional touch to your project.
  8. Care Instructions: Keep in mind the care requirements for the yarn you’ve used. Some yarns may require special care, such as handwashing and laying flat to dry.  Make sure to provide care instructions if you plan to gift or sell your cardigan.
Montage of 12 photos showing different designs crocheted cardigans

Enjoy crocheting on the move? Granny squares are so portable! Have a browse of the free crochet patterns in this collection of granny square bags.

Related Granny Square Patterns

Granny Square Cardigan Patterns

Each cardigan crochet pattern in this collection has been thoughtfully crafted.  You’ll find clear instructions and helpful tips.

Click on the numbered link to go directly to the crochet granny square cardigan pattern.

Most of these free crochet patterns are written in US crochet terms.

For my UK crocheters, the table below is a conversion of basic crochet stitches from US to UK.

US Crochet TermsUK Crochet Terms
single crochet (sc)double crochet (dc)
half double crochet (hdc)half treble crochet (htr)
double crochet (dc)treble crochet (tr)
treble (tr)double treble (dtr)
double treble (dtr)triple treble (trtr)

Happy crocheting!

1. Stella Granny Square Cardigan

long granny square cardigan in purples
Jera’s Jamboree

Made-to-measure, my crochet granny square cardigan is constructed with one large classic granny square for the back and smaller squares for the left and right front. I’ve added length by crocheting granny cluster stitches to the hem.  To match the overall design, the sleeves are crocheted in rounds using granny stitch clusters.

Instructions are included for how to measure yourself to get a comfortable fit.

Materials you need:

  • Aran/Worsted weight yarn – I used 1 skein each of Big Twist in Lilac, Purple and Varsity Navy Blue (380 yards/ 347 meters / 170g) plus extra yarn from the Emu Classic Aran range that was in my stash (Lilac, Purple and Navy)
  • 5mm crochet hook
  • Stitch Markers
  • Tape Measure
  • Yarn needle

This is an easy project suitable for beginners.

2. Sunflower Granny Square Cardigan

A cardigan crocheted in the sunflower granny square is style on a mannequin
Lisa Auch Crochet

Constructed with 22 full square sunflower granny squares and 2 half squares, this waist length cardigan crochet pattern also includes gussets for under the arms.  The gussets work in stopping the underarm pull for a comfortable fit.

Instructions are included for how to crochet the sunflower granny square, the gussets, measurements, working the buttonholes and seaming.

I quite like the broader ribbing and buttons; it reminds me of vintage patterns.  A fab example of blending the old and the new.

3. Wonderland Shrug

A woman is wearing a cardigan in the shrug design and three-quarter jeans
Stitch & Hustle

This crochet granny square cardigan can be worked in any yarn weight and you can easily size it for anyone from child to plus sized adult.

Instructions for this pattern include a stitch diagram and a diagram to guide you for folding the fabric to achieve the shrug/cocoon style.

Materials you need:

  • Category #4 Worsted Weight Yarn – 760  – 1200 yards total
  • Image uses 2x Caron Cakes Yarn in blues, WeCrochet Chroma Worsted, 760yd / 650m
  • Crochet Hook Size K / 6.5 mm
  • Tapestry needle
  • Tape Measure
  • Fasteners or safety pins

If you prefer to work from a PDF, this pattern is available on Etsy.

4. Two-Color Granny Square Jacket

jacket crocheted in black and white granny squares is being worn by a young woman
Yarnpirations

As much as I love working with a mix of bright colours in one project (and how they add something unique), using black and white for this granny square cardigan is so very effective.

Depending on size, you’ll work anywhere between 25 crochet granny squares (XS/S) to 46 (4X/5X), 2 triangle motifs (all sizes) and 6 – 8 half square motifs.

After you’ve seamed the squares together, you’ll need to crochet the edging and then your project is finished.  Easy!

Materials you need:

  • 4.5mm crochet hook
  • Red Heart® Super Saver® O’Go™
  • Yarn Needle

The free PDF printable includes stitch diagrams and assembly diagrams.

5. Everyday Granny Square Cardigan

A woman is wearing a cardigan crochted in blue and brown granny squares
My Poppet

I wanted to share different granny square cardigan designs with you so that you can make a choice of the project that suits you.

This pattern has three-quarter sleeves (although you can continue with another square for full sleeves).

Made up of 42 granny squares (5.5” / 14cm) and 2 half squares joined with whip stitch to fit an average medium size. 

You will need:

Scroll through the pattern to find tips for adjusting size and style.

6. Wildflower Granny Square Cardigan

Granny square cardigan crocheted in one colour is worn by a woman who is showing the back view of the cardi
Mama in a Stitch

Crocheted in one colour with granny squares for the front and back, this cardigan has solid sleeves worked in double crochet.

Once you’ve crocheted the motifs, you’ll join the granny squares together to make one rectangle for the back and two rectangles for the front.  After you’ve seamed the shoulders and sides, the sleeves are worked directly onto the cardigan in rounds.

There is a picture tutorial to guide you for the Wildflower puff square.

Materials you need:

  • US Size J 6.0 mm crochet hook
  • 5 (7, 11) skeins Lion Brand Yarn Truboo in Sienna (100 g/skein and 241 yds per skein) 460 g (612 g, 930 g)
  • Tapestry Needle
  • Scissors
  • Measuring Tape

This pattern is available in sizes XS – XL.

Wear this cardi from spring through fall/Autumn.

You can buy this pattern on Etsy.

7.  Granny Square Cardigan Pattern

A woman is wearing a bright and colourful cardigan.  One side is crochet granny squares, the other ripple stripes
Yarnspirations

Remember what I said earlier about working with different colours in one project?  I LOVE this cardigan!  It’s so unique.

One side is crocheted in granny squares, the other side in granny stitch and the back is also crocheted in the granny stitch.  The colours harmonize, making the different techniques work in one garment.

It reminds me of the design of my Fruitdrop sweater – ripple stitches for the front and back with granny square sleeves.  It’s fun to play around with different designs!

Rated at intermediate level you’ll find schematics, colour diagrams and stitch diagrams included in this pattern.

Materials you need:

  • U.S. H/8 (5 mm) Crochet Hook
  • Caron Simply Soft
  • Stitch Markers
  • 4 buttons 1½” [4 cm] in diameter
  • Yarn needle

This free printable granny square cardigan pattern is written in sizes XS to 5X.

8.  Granny Square Candy Cardigan

A woman is showing the back view of a cardigan crocheted in granny stitch with a band of granny squares
Beautiful Crochet Stuff

The effect of the granny squares in a band around the waist and on the sleeve gives this cardigan a playful look.

The pattern starts with crocheting a granny square and then joining as you go to create the remaining squares needed for the back and front.  Granny clusters are then crocheted at the top and bottom of the squares.  The sleeves are constructed the same way.

I’ve used a similar construction in my Canterbury edition tote bag

Materials you need:

  • Crochet Hook: 4 mm
  • Yarn: you can use any 8/8 cotton yarn, 100% cotton, 50 g (1.8 oz) / 75 m (82 yds) – around 600 grams : Lilac – DROPS Loves You 8 #05 – 380 gr (around 8 skeins); Pink – DROPS Paris #33 – 78 gr (around 2 skeins); Green – Hobbii Rainbow Cotton 8/8 #020 Petrol Green – 60 gr (a  bit more than 1 skein); Yellow – Hobbii Rainbow Cotton 8/8 #055 Sunny Yellow – 50 gr (1 skein) Purple – DROPS Loves You 8 #31 – 80 gr (around 2 skeins)

There are plenty of photos to guide you with this easy pattern.

How many squares determine the actual size of your cardigan: 8 (S size), 10 (M size), 12 (L size), 14 (XL-XXL sizes)

9. Granny Square Cardigan with Pockets

Three photos showing different views of cardigan - front, side and back
Those Yellow Things

Oh my, how fab is this granny square cardigan!  And with inset pockets too 🙂

The instructions are clear and well written with photos to guide you.

The pattern is written to fit a size small, however, the designer says adjusting your hook size to make the initial large square fit the width of your back will have the rest of the pattern falling into place.

You’ll work one big square, 2 medium size squares, 28 smaller granny squares,

Use up your scrap yarn for this project! 

Free printable PDF on Ravelry through the link above the image.

10. One Color Granny Square Cardigan

A young woman is wearing a rust coloured cardigan crocheted in granny squares
Colourful Ceilidh Crochet

I really like the fit with this cardi and think it has a beautiful drape. 

It’s a bit of a change from the classic granny square too with the bobble stitches adding interest. The granny square I designed for my Victoria poncho uses the bobble stitch and gives a gorgeous texture to the overall design.

Another plus with this pattern, it’s written for all 9 sizes – from XS to 5X. 

The pattern is written in clear steps and there is a video tutorial to help you.

Materials needed:

  • 9 mm crochet hook
  • Lion Brand Vanna’s Choice (4 / Medium / Aran weight, 100 g / 3.5 oz, 156 m / 170 yd, 100% acrylic) 6 (6, 7, 7, 8, 9, 9, 9, 10) skeins in Scarlet

Prefer to work from a PDF?  This pattern is available on Etsy.

11. Crochet Granny Square Cardigan (with hood)

A close up of a crochet cardigan with a woman wearing it by the side of the close up
Kristen Salzer-Frost

A granny square cardigan that includes a hood and pockets and you can fasten with buttons.  What’s not to love!

The instructions in this free printable PDF will guide you through the measurements you need to take to make this a perfect fit for you.  The measurements are used to help you work out how many squares you’ll need for the back, fronts, sleeves, hood and pockets.

Once you’ve worked out how many squares you need and crocheted them, step 5 gives you a fit check.  Handy to see if you’re on track for your sizing!

You’ll be walked through joining the squares, adding the cuffs and the border/button band.

Have fun and experiment!

12. Pinwheels Cardigan

A crochet cardigan is laid flat on a floor
Sonia Franchina

The pinwheel granny square gives this cardigan pattern a boho vibe.  I do like the broader band, makes me feel snug just looking at it!

A stitch chart for the pinwheel square, schema, how to connect granny squares and crocheting the border/edge is included in this free printable PDF pattern.

The pattern is written for M/L however, it is easy to change the size of the squares to fit your measurements.

For M/L you’ll need:

  • 15 squares of 12 rounds
  • 8 squares of 10 rounds
  • 8 squares of 6 rounds

This pattern PDF is a free download from Ravelry (from the link above the image).

13. Lakeside Coatigan

The back view of a very long crochet cardigan being worn by a woman who is also wearing a hat
Coco Crochet Lee

I couldn’t resist adding this pattern!  It’s so easy to adapt and put your unique spin on it.

Constructed from classic granny squares of 5 rounds each (layouts for sizes XS – 5X are included), each square should measure 6” X 6” meaning that if you wanted to substitute some of the squares with stripes or a colour block, it’s easy to work out the size you need.

You could also make your coatigan shorter by leaving off the bottom row of squares (something I would need to do as I’m 5’ 1”). If you want your sleeves shorter, you can remove squares from the ends of the sleeves.

Materials you need:

  • US Size J/10 (6.0mm) crochet hook
  • Recommended yarn: Lion Brand Wool Ease (197yds/ 85g): Main Colour:  Fisherman 7 (7, 10, 10, 10, 10, 12, 12, 12) balls; Contrasting Colours:  2 (2, 2, 2, 2, 2, 3, 3, 3) balls each Succulent, Koi, Blush Heather, Thrush, Rainforest
  • yarn needle
  • scissors
  • stitch marker

Instructions are included for the border, cuffs and fringe.

14. Granny Square Vest

A front view and a back view of a vest crocheted in granny squares and granny stitch
Garn Studio

This design is fab for layering in late summer/early autumn when crocheted in wool, substitute a cotton fibre and this vest would make a useful addition to your spring/early summer wardrobe.

Shaping the armholes is easy with a decrease at the end of a row by leaving a stitch unworked and the beginning of the next row, slip stitching into the first stitch.

The number of squares you need for each size are:

  • SIZE S-M-L: 14 whole and 4 half squares
  • SIZE XL-XXL-XXXL: 18 whole and 4 half squares

A diagram of the numbered squares and measurements will help you with the assembly.

15. Earth and Sky Cardi

A woman is wearing a short sleeved cardigan
Premier Yarns

Staying with the classic granny square, this design features short sleeves and a cropped length.  Perfect for late spring and summer.

Available in sizes XS-S, M-1X, 2X-5X.

Materials needed:

  • Crochet Hook US Size 8 (5 mm)
  • Premier Yarns Cotton Sprout: MC: 1149-28 Bark – 1 (2, 3) balls, CC1: 1149-26 Cream – 1 (1, 2) balls,  CC2: 1149-27 Beige – 1 (1, 2) balls, CC3: 1149-16 Aqua – 1 (1, 2) balls,  CC4: 1149-14 Teal – 1 (1, 2) balls
  • Tapestry needle

This pattern includes a diagram for the overall placement of the squares plus diagrams for the colour sequences.

Skills/techniques used in this pattern:

  • Working in the round.
  • Single crochet, double crochet, half double crochet, and chains.
  • Joining motifs with mattress stitch.

16. Bohemian Sunset

Cardigan crocheted in cotton with a combination of granny squares and granny stripes is worn by a woman
Garn Studio

The fronts are made with squares, and the sleeves, back and sides are crocheted in stripes of cluster stitches.  I do like this granny square!  Each round is turned instead of working in continuous rounds.

The colour combinations are written out clearly and diagrams help with stitches and also placement.

This cardi is worked in Drops Muskat – I enjoyed working with this yarn for my Raspberry Ripple bucket hat. The fibre is 100% Egyptian mercerized cotton and spun from multiple thin strands giving durability and strength.

Perfect for layering up with in late spring/summer.

17.  Large Granny Square Cardigan

Cardigan crocheted in large granny squares
Berroco

With a different take on the granny square, this cardigan would look good layered over almost anything.

With elbow-length sleeves and an open front, wear it as a cover up on a night out or days out in the warmer months.

Written in sizes XS to 2X, these are the material you need:

Materials needed:

  • Crochet hook, size 5.00 mm (8-H)
  • 11(12-14-16-18-20) Balls Berroco Linsey (50 grs), #6503 Oak Bluffs

I would suggest you read the pattern through a couple of times before you start crocheting.

18.  Long Granny Square Cardigan Pattern

A woman is wearing a cardigan crocheted in granny squares and granny stitch
Garn Studio

The combination of the placement of the squares (I love the design of these squares) and the granny stitch stripe gives this cardigan an interesting design.

The process of working the different pieces is:

  • Work first 12 crochet squares in total
  • For front pieces work 4 square together into one long strip
  • For back piece work 4 squares together into a square, then work down along body and up towards shoulders
  • When front and back pieces are done, sew shoulder together before working outwards in each side for body and sleeves.
  • Then work collar and band.

The pattern includes instruction for the square pattern, assembly, sleeves, collar and band.  Stitch diagrams and assembly diagrams give you extra information.

Finished measurements:

  • Chest measurements: 116-128-164 cm = 45 3/4”-50 3/8”-64 1/2”
  • Full length: 69-73-77 cm = 27 1/8”-28 3/4”-30 3/8”

If you’re a fan of long cardigans and you’re looking for inspiration, have a browse of these free long crochet cardigan patterns.

19. Sunburst Granny Square Bolero

A bolero crocheted in the sunburst granny square is hung on a coat hanger
Clochet by chloe

The sunburst granny square brings to life the bolero design of this cardigan.

Instructions are included for DK weight yarn or 4-ply.  For each size (XS to 3X) you will crochet an extra round or two on your square in different height stitches for your size as detailed in the table.

All sizes make the same number of granny squares:

  • 29 squares and 4 triangles for the body
  • 4ply – 16 squares per sleeve
  • DK – 12 squares are required per sleeve

Instructions and photos are included for crocheting the sunburst granny square (including triangle).

Diagrams show you the placements.

Related Crochet Cardigan Patterns

Whether you’re making a crochet cardigan for yourself or as a gift, as you can see from the patterns in this collection, there are lots of possibilities.  I know you’ll feel satisfaction from completing a project and a crochet cardigan is truly rewarding. I hope you’ve been inspired today.

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