Mint Green Popcorn Stitch Baby Jumpsuit Free Crochet Pattern

Let me start by saying this adorable mint green baby jumpsuit set might look intimidating, but I promise you can absolutely make this. The popcorn stitch creates those gorgeous textured bubbles covering the body and legs, giving this outfit that irresistible squishy look every new parent falls in love with. This crochet pattern includes the full romper, a matching bonnet with ties, and sweet little booties to complete the set.

I designed this baby jumpsuit crochet tutorial for confident beginners and intermediate crocheters. If you can work basic stitches and have made at least one or two garments before, you are ready for this project. The construction is more straightforward than it appears. We work the body flat, seam the legs, then add sleeves and finishing details.

Important note before we begin: Looking at this piece closely, I can see this is actually a knitted item featuring a traditional bobble or bubble stitch pattern common in knitting. However, since you have asked for a crochet pattern, I will provide you with a crochet version that recreates this same beautiful textured look using the popcorn stitch, which is the crochet equivalent of knitted bobbles.

Why This Popcorn Stitch Baby Jumpsuit Makes the Perfect Gift

There is something magical about handmade baby clothes. This jumpsuit set works beautifully for newborn photo sessions, baby showers, coming home outfits, or simply keeping your little one cozy. The popcorn stitch texture adds visual interest while creating a slightly thicker fabric that provides warmth without bulk.

The mint green color shown here is gender neutral and photographs beautifully. However, this crochet pattern works in any color you choose. Soft pastels, creamy neutrals, or bold modern shades all look stunning with this textured design.

Materials You Will Need

Yarn:

Approximately 400 to 500 yards of DK weight yarn (size 3) for the jumpsuit

Additional 100 yards for the bonnet

Additional 50 yards for the booties

I recommend a soft acrylic blend or machine washable merino for easy care

Shown in mint green, but any solid color highlights the texture best

Hook:

4.0mm (G/6) crochet hook for main fabric

3.5mm (E/4) crochet hook for ribbed cuffs and edging

Notions:

6 to 8 small buttons (star shaped wooden buttons shown, approximately 12mm)

Yarn needle for seaming

Stitch markers

Measuring tape

Scissors

Gauge:

18 stitches and 20 rows equals 4 inches in single crochet using 4.0mm hook

2 popcorn stitch pattern repeats equals approximately 2 inches width

Always check your gauge before beginning

Skill Level and Sizing

Skill Level: Intermediate

Sizes Included:

Newborn (0 to 3 months): Fits chest 16 inches, length 20 inches

3 to 6 months: Fits chest 17 inches, length 22 inches

6 to 12 months: Fits chest 18 inches, length 24 inches

Pattern is written for newborn size with larger sizes in parentheses (3 to 6 months, 6 to 12 months).

Stitch Abbreviations and Definitions

Before we dive into this step by step crochet tutorial, let me explain every stitch you will use.

Ch = Chain: Wrap yarn over hook, pull through loop on hook. This creates your foundation and turning chains.

Sl st = Slip stitch: Insert hook, yarn over, pull through both loops at once. Used for joining and invisible movement across stitches.

Sc = Single crochet: Insert hook, yarn over, pull up a loop (2 loops on hook), yarn over, pull through both loops. Your most basic stitch creating a tight, short fabric.

Dc = Double crochet: Yarn over, insert hook, yarn over, pull up a loop (3 loops on hook), yarn over, pull through 2 loops, yarn over, pull through remaining 2 loops. A taller stitch that works up faster.

PC = Popcorn stitch: Work 5 dc into the same stitch, remove hook from loop, insert hook from front to back through the top of the first dc of the group, pick up the dropped loop, pull through to close the popcorn. This creates that beautiful 3D bubble effect.

BLO = Back loop only: Work into only the back loop of the stitch below, creating a ribbed texture.

Inc = Increase: Work 2 stitches into the same stitch.

Dec = Decrease: Work 2 stitches together as one (sc2tog or dc2tog).

Understanding the Popcorn Stitch Pattern

The popcorn stitch is what gives this baby jumpsuit that gorgeous textured appearance. Here is how to work it perfectly every time.

To make one popcorn stitch:

1. Work 5 double crochet stitches all into the same stitch

2. Carefully remove your hook from the working loop (do not let it unravel)

3. Insert your hook from front to back through the top of the very first double crochet you made

4. Pick up the dropped loop

5. Pull the loop through to close the popcorn tight

The popcorn should pop toward you on the front side of the work. If your popcorns are popping to the back, you are inserting your hook from the wrong direction.

Popcorn stitch pattern repeat (worked over a multiple of 4 stitches plus 3):

Row 1 (WS): Sc in each st across, turn.

Row 2 (RS): Ch 1, sc in first 2 sts, *PC in next st, sc in next 3 sts*, repeat from * to last 3 sts, PC in next st, sc in last 2 sts, turn.

Row 3: Sc in each st across, turn.

Row 4: Ch 1, sc in first 4 sts, *PC in next st, sc in next 3 sts*, repeat from * to last st, sc in last st, turn.

Repeat Rows 1 through 4 for pattern. This creates the staggered popcorn placement you see in the image.

Baby Jumpsuit Crochet Pattern Instructions

Back Panel

Foundation: With 4.0mm hook, ch 39 (43, 47).

Row 1 (WS): Sc in 2nd ch from hook and in each ch across, turn. 38 (42, 46) sts

Rows 2 through 5: Work in popcorn stitch pattern as established.

Continue in popcorn stitch pattern until piece measures 11 (12, 13) inches from beginning, ending on a WS row.

Shape armholes:

Row 1 (RS): Sl st in first 3 sts, ch 1, work in pattern across to last 3 sts, leave remaining sts unworked, turn. 32 (36, 40) sts

Rows 2 through 4: Dec 1 st at each end of row. 26 (30, 34) sts

Continue even in pattern until armhole measures 3 (3.5, 4) inches.

Shape shoulders:

Next Row: Work across first 8 (9, 10) sts, leave remaining sts unworked. Fasten off.

Skip center 10 (12, 14) sts for neck, rejoin yarn to remaining sts, work across. 8 (9, 10) sts Fasten off.

Left Front Panel

Foundation: With 4.0mm hook, ch 23 (25, 27).

Row 1 (WS): Sc in 2nd ch from hook and in each ch across, turn. 22 (24, 26) sts

Continue in popcorn stitch pattern until piece measures same as back to armhole.

Shape armhole (right edge):

Row 1 (RS): Sl st in first 3 sts, ch 1, work in pattern across, turn. 19 (21, 23) sts

Rows 2 through 4: Dec 1 st at armhole edge only. 16 (18, 20) sts

Continue even until armhole measures 2 (2.5, 3) inches.

Shape neck:

Next Row: Work across to last 5 (6, 7) sts, leave remaining sts unworked for neck, turn.

Dec 1 st at neck edge every row 3 times. 8 (9, 10) sts

Continue even until armhole matches back. Fasten off.

Right Front Panel

Work as for Left Front Panel, reversing all shaping. The armhole shaping will be on the left edge, and neck shaping will begin at the opposite end.

Legs (Make 2)

Each leg is worked separately in the round, then joined to the body.

Foundation: With 4.0mm hook, ch 28 (32, 36), sl st to first ch to form ring.

Round 1: Ch 1, sc in each ch around, sl st to first sc to join. 28 (32, 36) sts

Rounds 2 through 5: Work in popcorn stitch pattern, adapting for rounds by working all RS rows.

Continue in pattern for 6 (7, 8) inches.

Crotch shaping:

Next Round: Ch 3 (counts as dc), continue in pattern to end of round. At the end, ch 3 for crotch bridge, join to beginning of other leg piece.

Ribbed Cuffs for Legs

Switch to 3.5mm hook.

Row 1: Ch 8, sc in 2nd ch from hook and in each ch across, turn. 7 sts

Row 2: Ch 1, sc in BLO of each st across, turn.

Repeat Row 2 until ribbing fits around leg opening. Sl st ends together, then whip stitch to leg opening.

Sleeves (Make 2)

Foundation: With 4.0mm hook, ch 26 (28, 30), sl st to join.

Round 1: Ch 1, sc in each ch around, sl st to join. 26 (28, 30) sts

Work in popcorn stitch pattern for 5 (5.5, 6) inches.

Inc Round: *Sc in next 6 sts, inc in next st*, repeat around. 30 (32, 34) sts

Continue even for 1 more inch. Fasten off, leaving long tail for seaming.

Ribbed Cuffs for Sleeves

Work as for leg cuffs, sizing to fit sleeve opening.

Button Band (Left Front)

With 3.5mm hook, join yarn at bottom of left front edge.

Row 1: Work sc evenly up the front edge, approximately 3 sc for every 4 rows, turn.

Rows 2 through 4: Ch 1, sc in BLO of each st across, turn.

Fasten off.

Buttonhole Band (Right Front)

Row 1: Work sc evenly up right front edge, turn.

Row 2: Ch 1, sc in BLO across, placing buttonholes evenly spaced: *sc to buttonhole position, ch 2, skip 2 sts*, repeat for 6 to 8 buttonholes.

Row 3: Sc in BLO, working 2 sc into each ch 2 space.

Row 4: Sc in BLO across. Fasten off.

Neckband

Join yarn at right front neck edge.

Row 1: Sc evenly around entire neckline, turn.

Rows 2 through 3: Sc in BLO across. Fasten off.

Matching Bonnet Crochet Pattern

Foundation: With 4.0mm hook, ch 47 (51, 55).

Row 1: Sc in 2nd ch from hook and each ch across, turn. 46 (50, 54) sts

Work in popcorn stitch pattern for 4 (4.5, 5) inches.

Shape crown:

Dec Row 1: *Sc in next 4 sts, sc2tog*, repeat across. Continue decreasing every other row until 10 to 12 sts remain.

Seam the back of the bonnet using whip stitch.

Face Edging:

Join yarn at corner. Work 3 rows of sc in BLO around face opening for ribbed border.

Ties: Ch 60. Sc in 2nd ch from hook and each ch across. Fasten off. Make 2. Attach to corners of bonnet.

Baby Booties Crochet Pattern

Sole:

Ch 10 (11, 12).

Round 1: Sc in 2nd ch from hook, sc in next 7 (8, 9) ch, 3 sc in last ch, working on opposite side of ch, sc in next 7 (8, 9) ch, 2 sc in last ch, sl st to join. 20 (22, 24) sts

Rounds 2 through 3: Inc at each end of sole to shape oval. 28 (30, 32) sts

Sides:

Round 4: Working in BLO only, sc in each st around.

Rounds 5 through 7: Sc in each st around.

Toe shaping:

Round 8: Sc in first 10 sts, (sc2tog) 4 times, sc in remaining sts. 24 (26, 28) sts

Round 9: Sc in first 8 sts, (sc2tog) 4 times, sc in remaining sts. 20 (22, 24) sts

Cuff:

Rounds 10 through 14: Sc in each st around. Add 2 to 3 rows of popcorn stitch pattern if desired.

Ribbed cuff: Work separately and attach, or continue in sc for simple finish.

Fasten off and weave in ends.

Assembly Instructions

1. Block all pieces lightly with steam or wet blocking

2. Seam shoulder seams using mattress stitch or whip stitch

3. Set in sleeves, matching center of sleeve cap to shoulder seam

4. Seam leg inseams

5. Join legs to body at crotch

6. Attach all cuffs

7. Sew on buttons opposite buttonholes

8. Weave in all remaining ends

Helpful Tips for Success

Tension matters: Keep your popcorn stitches consistent by pulling the closing loop with the same tension each time.

Count your stitches: The popcorn counts as one stitch, not five. This trips up many crocheters at first.

Use stitch markers: Mark the first stitch of each round when working the legs and sleeves.

Baby safe buttons: If making for an infant, consider sewing buttons very securely or using snaps as an alternative.

Care Instructions

Machine wash gentle cold, lay flat to dry. The popcorn texture may flatten slightly in the dryer. Reshape while damp for best results.

Thank you so much for choosing this pattern for your next project. I truly hope you love making this beautiful baby jumpsuit set as much as I loved designing it. There is something incredibly satisfying about watching all those little popcorns come together into such a sweet finished piece.

I would absolutely love to see your finished jumpsuit. Please share your photos on Instagram or Facebook and tag me so I can celebrate your beautiful work. Seeing your creations honestly makes my whole day.

Happy crocheting, friend. You have got this.