Free Granny Hexagon Cardigan Crochet Pattern Beginner Friendly

This beautiful Crochet granny hexagon cardigan is worked by creating two large motifs that transform into a cozy wearable piece once folded and seamed into sleeves and body. It’s beginner-friendly, customizable in size and length, and perfect for lightweight drapey yarn to give it a soft, flowy finish.

Crochet Granny Hexagon Cardigan

You can keep colors simple or play with gradients like Mandala cakes for a stunning effect. Once the hexagons are done, the rest builds naturally with added panels, sleeve rounds, and optional edging for a polished look.

Materials

Yarn weight 3 lightweight yarn (Mandala Baby suggested)
6mm crochet hook
Scissors
Yarn needle
Stitch markers

Crocheting Two Granny Hexagons

Round 1 Center

Make slip knot, chain 4, slip stitch to form ring
Chain 3 counting as first DC
Place 2 DC in center ring
Chain 1
Repeat placing 3 DC cluster + ch 1 until you have 6 clusters total
Slip stitch to top of chain 3 to close round

Round 2 Corners

Chain 3 and turn work
Mark top of ch 3
Place 2 DC in same space (half corner)
Skip next 3 sts
Work corner cluster in next space 3 DC ch 2 3 DC
Repeat corner cluster in remaining chain spaces without chaining between
Finish by placing 3 DC in starting space to complete corner
Join with HDC in top of chain 3 for a neat finish

Increase Rounds

Chain 3 turn work mark stitch
Place 2 DC in same space (half corner)
Work 3 DC cluster in next space as side cluster
In corner spaces work 3 DC ch 2 3 DC
Continue around with side clusters between corners
End round by completing corner and join with HDC in top of ch 3
Continue repeating increase rounds until one side measures desired sleeve width
Make second identical hexagon

Part 2 Assembly

Back Panel Extensions

Attach yarn to straight side chain two corner of one hexagon
Row 1 Ch 3 1 DC cluster across spaces ending with 2 DC in last space
Row 2 Ch 3 turn skip first space work 3 DC clusters across end with 1 DC in top of chain
Row 3 Ch 3 turn 1 DC next to ch 3 cluster across end with 1 DC in top of chain
Repeat rows 2 and 3 until extension equals half needed back width
Repeat on second hexagon

Join Back Panels

Leave long tail
Place right sides facing up and mattress stitch both back extensions together

Seam Sleeves

Fold both hexagons in half to form L shape
Seam sleeve edges using inner loops only for neat finish

Add Length to Sleeves

Attach yarn at underarm gap
Ch 3 2 DC same space cluster around and join
Repeat rounds turning every row continue until sleeve length desired

Extend Cardigan Body

Attach yarn at bottom front corner
Work foundation row of clusters across entire opening keeping symmetry
Continue using same alternating row pattern as back extension until desired length