This charming granny square sweater pattern brings together the nostalgic vibe of classic crochet with a fresh, wearable design. Perfect for crocheters of all levels, this step-by-step guide walks you through creating a cozy, colorful sweater made entirely from granny squares. The project is fully customizable adjust the number of rounds, change up the colors, or modify the length to suit your personal style.
Crochet Granny Square Sweater
Whether you’re crafting for yourself or gifting to a friend, this versatile piece adds handmade flair to any wardrobe. The seamless connection method and clever shaping for sleeves and neckline ensure a polished, professional finish you'll be proud to wear.
Materials
- Medium-weight yarn in three colors (white, blue, black)
- 5.0 mm crochet hook
- Scissors
- Yarn needle
Granny Squares
- Start with a magic ring.
- Chain 3 (counts as first DC), then make 2 more DC into the ring.
- Chain 2, make 3 DC into the ring — repeat this cluster + chain 2 sequence two more times.
- Pull yarn to close ring, forming a square. Chain 2 and slip stitch to top of chain 3.
- Slip stitch to the nearest corner space.
- Chain 3, 2 DC, chain 2, 3 DC into corner space.
- In side spaces, work 3 DC. In corners, repeat the (3 DC, ch 2, 3 DC) cluster.
- Change colors as desired by slip stitching into a corner and joining the new yarn.
- For color pattern: 2 rounds white, 2 blue, 2 black, 2 white, 1 blue (total 9 rounds per square).
- Make 6 total granny squares, each measuring approximately 8.5 inches.
Connecting Granny Squares
- Connect 3 squares for the front panel, wrong sides facing each other.
- Use single crochet through back loops of both squares to join.
- Add third square using the same method.
- For length: connect yarn to end, chain 2, 1 DC in same space.
- Work 3 DC in each space across, 2 DC in last space. Chain 3, turn.
- Continue cluster pattern across for 2 additional rows.
- Repeat process to make the back panel with the other 3 squares.
- Place panels with wrong sides together.
- Single crochet from one end to the other, leaving space in the middle for the neckline.
- For off-shoulder look, connect from middle outward.
Sleeves
- Attach yarn to the "good side" of the armhole.
- Chain 3, 1 DC in same space. Work clusters (3 DC) in each space around.
- Slip stitch to top of chain 3 to close round.
- Chain 3, 1 DC over the previous DC, continue clusters in between clusters.
- Round 3: Decrease by crocheting 2 DC together after every 4 clusters (2 times).
- Round 4: Work without increasing or decreasing.
- Round 5: Decrease once after 4 clusters.
- Rounds 6–17: Continue without increasing or decreasing.
- Round 18: Decrease once.
- Rounds 19–21: Continue pattern.
- Round 22: Decrease 3 times to taper cuff.
- Round 23: Work half double crochets around the cuff.
- Slip stitch to finish, chain 1, and cut yarn.
Edging (Neckline and Sleeves)
- Neckline: Attach yarn to neckline edge, chain 1, single crochet around.
- Slip stitch to join, chain 1, and cut yarn.
- Sleeves: Attach yarn to sleeve opening.
- Single crochet around for 2–3 rounds.
- Slip stitch to finish, chain 1, and cut yarn.
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