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Bottom-Up Raglan Cardigan in Half Double Crochet

A structured cardigan with ribbed details, worked from the hem up with set-in sleeves and a buttoned front.

📏 Fit this to your gauge
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Difficulty
🔴 Advanced
Time
⏱️ 11-18 hours
Hook
🪡 I-9 / 5.5 mm
Yardage
🧶 approximately 1150 yards (1052 meters)
Est. Cost
💰 $32–$55
Finished Size
📏 Chest 42.5 inches (108 cm), length 22 inches (56 cm) — fits size adult m
⚠️
Always make a gauge swatch before starting!
Gauge: 12 hdc and 10 rows = 4 inches (10 cm) in half double crochet, blocked
Adjust hook size as needed to match gauge.
📋

At a Glance

The Bottom-Up Raglan Cardigan in Half Double Crochet is a free Advanced-level wearable pattern using Worsted weight yarn with a I-9 / 5.5 mm hook . Estimated time: 11-18 hours. Finished size: Chest 42.5 inches (108 cm), length 22 inches (56 cm) — fits size adult m. You'll need approximately approximately 1150 yards (1052 meters) of yarn.

113 steps across 8 sections  ·  Free under CC BY-NC-SA 4.0 — you can sell finished items

🧶 Pattern Instructions

💡 Tip: The back underarm section binds off several stitches at once; keep tension even through this transition to prevent puckering.
  1. Row 1
    With sage, ch 62. Hdc in 3rd ch from hook and in each ch across, turn. (60 sts)
  2. Rows 2-10
    Ch 1 (does not count as a st), sc in back loop only of each st across, turn. (60 sts)
  3. Rows 11-42
    Ch 2 (does not count as a st), hdc in each st across, turn. (60 sts)
  4. Row 43
    Sl st in first 5 sts, ch 2 (does not count as a st), hdc in next st and in each st across to last 5 sts, leave remaining 5 sts unworked, turn. (50 sts)
  5. Row 44
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (48 sts)
  6. Row 45
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (46 sts)
  7. Row 46
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (44 sts)
  8. Row 47
    Ch 2 (does not count as a st), hdc in each st across, turn. (44 sts)
  9. Row 48
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (42 sts)
  10. Row 49
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (40 sts)
  11. Row 50
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (38 sts)
  12. Row 51
    Ch 2 (does not count as a st), hdc in each st across, turn. (38 sts)
  13. Row 52
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (36 sts)
  14. Row 53
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (34 sts)
  15. Row 54
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (32 sts)
  16. Row 55
    Ch 2 (does not count as a st), hdc in each st across, turn. (32 sts)
  17. Row 56
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (30 sts)
  18. Row 57
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (28 sts)
  19. Row 58
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (26 sts)
  20. Row 59
    Ch 2 (does not count as a st), hdc in each st across, turn. (26 sts)
Row counter:
💡 Tip: Work the left front to match the back's depth so the shoulder seams meet squarely at the armhole.
  1. Row 1
    With sage, ch 32. Hdc in 3rd ch from hook and in each ch across, turn. (30 sts)
  2. Rows 2-10
    Ch 1 (does not count as a st), sc in back loop only of each st across, turn. (30 sts)
  3. Rows 11-42
    Ch 2 (does not count as a st), hdc in each st across, turn. (30 sts)
  4. Row 43
    Sl st in first 5 sts, ch 2 (does not count as a st), hdc in next st and in each st across, turn. (25 sts)
  5. Row 44
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (23 sts)
  6. Row 45
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across, turn. (22 sts)
  7. Row 46
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (20 sts)
  8. Row 47
    Ch 2 (does not count as a st), hdc in each st across, turn. (20 sts)
  9. Row 48
    Ch 2 (does not count as a st), hdc in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (19 sts)
  10. Row 49
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (17 sts)
  11. Row 50
    Ch 2 (does not count as a st), hdc in each st across, turn. (17 sts)
  12. Row 51
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across, turn. (16 sts)
  13. Row 52
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (14 sts)
  14. Row 53
    Ch 2 (does not count as a st), hdc in each st across, turn. (14 sts)
  15. Row 54
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (12 sts)
  16. Row 55
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across, turn. (11 sts)
  17. Row 56
    Ch 2 (does not count as a st), hdc in each st across, turn. (11 sts)
  18. Row 57
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (9 sts)
  19. Row 58
    Ch 2 (does not count as a st), hdc in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (8 sts)
  20. Row 59
    Ch 2 (does not count as a st), hdc in each st across, turn. (8 sts)
Row counter:
💡 Tip: The right front mirrors the left; check your stitch counts as you work the raglan shaping to ensure symmetrical seams.
  1. Row 1
    With sage, ch 32. Hdc in 3rd ch from hook and in each ch across, turn. (30 sts)
  2. Rows 2-10
    Ch 1 (does not count as a st), sc in back loop only of each st across, turn. (30 sts)
  3. Rows 11-42
    Ch 2 (does not count as a st), hdc in each st across, turn. (30 sts)
  4. Row 43
    Ch 2 (does not count as a st), hdc in each st across to last 5 sts, leave remaining 5 sts unworked, turn. (25 sts)
  5. Row 44
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (23 sts)
  6. Row 45
    Ch 2 (does not count as a st), hdc in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (22 sts)
  7. Row 46
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (20 sts)
  8. Row 47
    Ch 2 (does not count as a st), hdc in each st across, turn. (20 sts)
  9. Row 48
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across, turn. (19 sts)
  10. Row 49
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (17 sts)
  11. Row 50
    Ch 2 (does not count as a st), hdc in each st across, turn. (17 sts)
  12. Row 51
    Ch 2 (does not count as a st), hdc in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (16 sts)
  13. Row 52
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (14 sts)
  14. Row 53
    Ch 2 (does not count as a st), hdc in each st across, turn. (14 sts)
  15. Row 54
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (12 sts)
  16. Row 55
    Ch 2 (does not count as a st), hdc in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (11 sts)
  17. Row 56
    Ch 2 (does not count as a st), hdc in each st across, turn. (11 sts)
  18. Row 57
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (9 sts)
  19. Row 58
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across, turn. (8 sts)
  20. Row 59
    Ch 2 (does not count as a st), hdc in each st across, turn. (8 sts)
Row counter:
💡 Tip: The sleeve increases gradually along the edges, then decreases at the raglan; count your increase rows so both sleeves are identical.
  1. Row 1
    With sage, ch 26. Hdc in 3rd ch from hook and in each ch across, turn. (24 sts)
  2. Rows 2-10
    Ch 1 (does not count as a st), sc in back loop only of each st across, turn. (24 sts)
  3. Row 11
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (26 sts)
  4. Rows 12-14
    Ch 2 (does not count as a st), hdc in each st across, turn. (26 sts)
  5. Row 15
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (28 sts)
  6. Rows 16-18
    Ch 2 (does not count as a st), hdc in each st across, turn. (28 sts)
  7. Row 19
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (30 sts)
  8. Rows 20-22
    Ch 2 (does not count as a st), hdc in each st across, turn. (30 sts)
  9. Row 23
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (32 sts)
  10. Rows 24-26
    Ch 2 (does not count as a st), hdc in each st across, turn. (32 sts)
  11. Row 27
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (34 sts)
  12. Rows 28-30
    Ch 2 (does not count as a st), hdc in each st across, turn. (34 sts)
  13. Row 31
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (36 sts)
  14. Rows 32-34
    Ch 2 (does not count as a st), hdc in each st across, turn. (36 sts)
  15. Row 35
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (38 sts)
  16. Rows 36-38
    Ch 2 (does not count as a st), hdc in each st across, turn. (38 sts)
  17. Row 39
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (40 sts)
  18. Rows 40-42
    Ch 2 (does not count as a st), hdc in each st across, turn. (40 sts)
  19. Row 43
    Ch 2 (does not count as a st), 2 hdc in first st, hdc in next st and in each st across to last 1 st, 2 hdc in last st, turn. (42 sts)
  20. Rows 44-47
    Ch 2 (does not count as a st), hdc in each st across, turn. (42 sts)
  21. Row 48
    Sl st in first 5 sts, ch 2 (does not count as a st), hdc in next st and in each st across to last 5 sts, leave remaining 5 sts unworked, turn. (32 sts)
  22. Row 49
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (30 sts)
  23. Row 50
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (28 sts)
  24. Row 51
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (26 sts)
  25. Row 52
    Ch 2 (does not count as a st), hdc in each st across, turn. (26 sts)
  26. Row 53
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (24 sts)
  27. Row 54
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (22 sts)
  28. Row 55
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (20 sts)
  29. Row 56
    Ch 2 (does not count as a st), hdc in each st across, turn. (20 sts)
  30. Row 57
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (18 sts)
  31. Row 58
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (16 sts)
  32. Row 59
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (14 sts)
  33. Row 60
    Ch 2 (does not count as a st), hdc in each st across, turn. (14 sts)
  34. Row 61
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (12 sts)
  35. Row 62
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (10 sts)
  36. Row 63
    Ch 2 (does not count as a st), hdc2tog over first 2 sts, hdc in next st and in each st across to last 2 sts, hdc2tog over last 2 sts, turn. (8 sts)
  37. Row 64
    Ch 2 (does not count as a st), hdc in each st across, turn. (8 sts)
Row counter:
💡 Tip: Work the band with single crochet through the back loop for a ribbed texture; pick up stitches along the entire front edge for even coverage.
  1. Row 1
    With sage and RS facing, join yarn at the edge. Ch 1 (does not count as a st), work 84 sc evenly along the left side edge (RS facing) of the Left front (3 sc in every 2 row-ends), turn. (84 sts)
  2. Rows 2-6
    Ch 1 (does not count as a st), sc in each st across, turn. (84 sts)
Row counter:
💡 Tip: Space the buttonholes evenly across the band's rows and mark their positions before you begin to avoid crowding or gaps.
  1. Row 1
    With sage and RS facing, join yarn at the edge. Ch 1 (does not count as a st), work 84 sc evenly along the right side edge (RS facing) of the Right front (3 sc in every 2 row-ends), turn. (84 sts)
  2. Rows 2-3
    Ch 1 (does not count as a st), sc in each st across, turn. (84 sts)
  3. Row 4
    Ch 1 (does not count as a st), sc in next 10 sts, (ch 2, sk next 2 sts, sc in next 11 sts) 2 times, (ch 2, sk next 2 sts, sc in next 10 sts) 4 times, turn. (72 sts and 6 ch-2 sps)
  4. Row 5
    Ch 1 (does not count as a st), sc in each st and 2 sc in each ch-2 sp across, turn. (84 sts)
  5. Row 6
    Ch 1 (does not count as a st), sc in each st across, turn. (84 sts)
Row counter:
💡 Tip: The neckband is worked around the entire neck opening after the raglan seams are complete; pick up stitches carefully at corners for a smooth, even finish.
  1. Row 1
    With sage and RS facing, join yarn at the edge. Ch 1 (does not count as a st), work 58 sc evenly along across the top edges in order (Right front then Sleeve then Back then Sleeve then Left front — 1 sc in each st), turn. (58 sts)
  2. Rows 2-6
    Ch 1 (does not count as a st), sc in back loop only of each st across, turn. (58 sts)
Row counter:
  1. Step 1
    Block all pieces lightly to their final dimensions and allow them to dry completely.
  2. Step 2
    Sew each sleeve's raglan edges to the corresponding back and front raglan edges, easing gently if needed.
  3. Step 3
    Sew the left and right front to the back along the side seams, then sew each sleeve seam from the cuff up to the underarm bind-off.
  4. Step 4
    Work the left front band in ribbed single crochet up the left front edge.
  5. Step 5
    Work the right front band in ribbed single crochet up the right front edge, placing buttonholes as indicated in the pattern.
  6. Step 6
    Work the neckband in ribbed single crochet around the neckline, joining the back neck, sleeves, and fronts.
  7. Step 7
    Sew buttons opposite each buttonhole on the right band.
Row counter:

✂️ Finishing

Weave in all ends securely. If you've blocked the pieces already, a gentle steam or light blocking of the bands and neckband will even out the ribbed texture and help the button bands lie flat against the body. Sew your buttons through both the band and the cardigan body, making them secure enough to withstand regular use.

🛒 Materials

Worsted weight soft wool-blend or cotton-blend yarn yarn — sage
About 1150 yards (1052 meters) of worsted weight soft wool-blend or cotton-blend yarn yarn in sage
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Crochet hook I-9 / 5.5 mm
Or the size needed to match the gauge
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Stitch markers
To mark the first stitch of a round or a shaping row
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Tapestry needle
For weaving in ends and seaming
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6 buttons
About 3/4 inch (19 mm) across, to fit the 2-stitch buttonholes
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Stitch markers
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Yarn needle
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📌 Before You Begin

💡

Turning chains and starting chains do not count as stitches unless the row says so. The number in brackets at the end of each row is the stitch count you should have.

💡

Row 1 is the right side (RS). Left and right edges are as you look at the right side.

💡

Change colour on the last pull-through of the row before the one that names the new colour, and carry or cut the old colour as you prefer.

💡

Check your gauge before you start. If you have more stitches than the gauge, try a larger hook; fewer, a smaller hook.

💡

You've left the sizing open—this pattern is scaled for adult medium at your gauge; the designer will recalculate it based on your hook and yarn gauge.

💡

This cardigan is worked as separate flat pieces (back, fronts, and sleeves) from hem to shoulder, then seamed together with raglan shaping at the armholes.

💡

The front bands and neckband are worked last, directly onto the finished pieces, and the right band includes six buttonholes.

💡

Blocking lightly before assembly ensures the pieces lay flat and the seams align cleanly.

🎁 Ways to Use This

✦

Layer over a tee or dress shirt for a professional, pulled-together look.

✦

Wear as a cozy layer while working from home or curled up with a book.

✦

Gift to a friend who appreciates thoughtful, handmade knitwear in a neutral palette.

✦

Pair with jeans and simple jewelry for an everyday cardigan that works across seasons.

🧺 Care Instructions

Wash in cool water with gentle soap, lay flat or dry flat on a towel, and reshape if needed while damp. Avoid high heat and wringing to preserve the yarn's soft hand and the cardigan's structure.

🧶 This pattern was generated automatically and may contain errors. Always test your gauge before starting.

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Questions About This Pattern

Absolutely — just match the weight (Worsted). You'll need about approximately 1150 yards (1052 meters), so make sure your substitute has enough meterage. Acrylic is budget-friendly and machine-washable; wool gives better stitch definition and drape.
This pattern uses techniques that require precision and experience. Expect stitches like ch, st, sts, sl st and potentially complex shaping. If you're newer to crochet, try a few intermediate patterns first to build confidence with stitch counts and tension before tackling this one.
Usually it's the joining or finishing — where individual sections meet and need to align. Read through the entire pattern once before you start so there are no surprises. Use stitch markers generously to track your place, especially in rounds. If a section looks wrong, count your stitches before proceeding — catching an error early saves a lot of frogging later.
For this pattern, gauge is "12 hdc and 10 rows = 4 inches (10 cm) in half double crochet, blocked". For decorative or non-fitted items it's less critical, but matching gauge ensures you use the right amount of yarn and get the proportions the pattern intends. If your swatch is too small (too many stitches/inch), go up a hook size. Too large — go down.
Wash in cool water with gentle soap, lay flat or dry flat on a towel, and reshape if needed while damp. Avoid high heat and wringing to preserve the yarn's soft hand and the cardigan's structure. A general rule: when unsure about the yarn, hand wash in cool water with a drop of gentle detergent, squeeze (don't wring), and block flat to dry. This is safe for almost every fiber.
Each section builds on the last, so yes — follow them in order. That said, some finishing sections (like embellishments or optional edging) can be skipped if you prefer a simpler look. Read through all sections before starting so you understand how the pieces fit together and can plan your yarn usage across sections.