This easy crochet baby sweater is constructed entirely from four granny squares, making it an approachable and satisfying project for crocheters of all skill levels. Designed for size 18 to 24 months, the sweater combines classic granny stitch texture with simple shaping techniques to create a comfortable and practical garment for little ones.
Crochet Baby Sweater

The construction is clever and modular. Two squares form the body, and two become the sleeves. The body squares are slightly expanded to create proper width and armhole shaping, while the sleeves remain standard 10 round granny squares. Finishing details like reinforced seams and a ribbed neckline give the sweater structure and durability. This crochet baby sweater is perfect for gift making, stash busting, and experimenting with color combinations.
Materials
- 4.5 mm crochet hook
- Yarn in three colors
- Scissors
- Yarn needle
Create Four Granny Squares
- Chain 3 and slip stitch to form a ring
- Chain 2 to count as first double crochet
- Work 2 double crochets into ring
- Chain 2
- Work 3 double crochets into ring
- Chain 2
- Repeat until four corners are formed
- Slip stitch to join
- For next rounds work into chain spaces
- In each corner work 3 double crochets chain 2 3 double crochets
- On flat sides work 3 double crochets in each chain space
- Chain 1 between side shells
- Change colors every round if desired
- Continue until each square measures 10 rounds

Adjust Body Squares For Width
- Keep two squares unchanged for sleeves
- Use remaining two squares for front and back
- Fold a sleeve square in half and count number of shells
- Mark same number of shells down from top corner on each body square
- Join yarn at one marked point
- Work double crochet down side across bottom and up to second marker
- Place one double crochet in every stitch or space
- In bottom corners work 2 double crochet chain 2 2 double crochet
- Complete first half round
- Repeat a second half round in contrasting color

Assemble Shoulders
- Lay front and back squares together
- Align top corners
- Use blanket stitch to sew approximately one shell and one space at each shoulder
Attach Sleeves
- Lay body flat in T shape
- Align center of sleeve square with shoulder seam
- Blanket stitch sleeve to body along arm opening

Sew Side And Underarm Seams
- Fold sweater so sides align
- Single crochet seam down body sides for strength
- Slip stitch back down seam for reinforcement
- Use blanket stitch from cuff to armpit for sleeve seams
Finish The Neckline
- Join yarn at shoulder seam
- Double crochet around neckline
- Work between shell clusters to slightly reduce stitches
- Complete first round
- Work front post double crochet and back post double crochet for next two rounds
- Create snug ribbed collar
- Fasten off and weave in ends

Final Measurements
- Cuff to cuff approximately 26 inches
- Height approximately 10 inches
- Width approximately 11 inches.





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