Teal Ribbed Evening Dress Crochet Pattern

Go ahead and dig into your yarn stash for this one. That gorgeous deep teal skein you’ve been saving for something special? This is its moment.

This ankle-length ribbed evening dress is a showstopper with its elegant vertical texture, figure-flattering silhouette, and daring upper-thigh side slit. The construction is more approachable than it looks, built from flat panels using front and back post stitches to create those beautiful raised ribs. You’ll work the body and sleeves separately, then seam everything together and add polished edgings.

Fair warning: this is an experienced intermediate project. You’ll need confidence with post stitches, seaming, and following detailed shaping instructions. But if you’re ready to level up and create something truly stunning, this dress delivers.

Why This Dress Design Works

The ribbed texture running vertically down the entire garment creates a slimming effect that photographs beautifully and drapes wonderfully in person. The set-in rectangular sleeves give a clean, tailored shoulder line. And that side slit? It’s not just dramatic, it’s practical for walking in a fitted ankle-length dress.

The straight silhouette relies on a matching belt to define the waist, which means you control exactly how fitted the final look becomes. Tie it loosely for relaxed elegance or cinch it for more definition.

Finished Measurements and Sizing

This pattern is written for one adult sample size with the following finished dimensions:

Body circumference: approximately 108 to 110 cm (42.5 to 43.3 inches)

Intended fit: bust and hip measurements of 98 to 102 cm (38.6 to 40.2 inches), with 6 to 12 cm of ease

Length before edging: 120.0 cm (47.2 inches) from shoulder to hem

Sleeve panel: 43.1 cm, plus approximately 4 cm cuff

Side slit: 50.0 cm (about 65 rows)

Measure your largest relevant circumference before starting. This is one size, not a graded size range.

Materials You’ll Need

Gathering the right supplies before you begin makes everything smoother. Here’s your complete shopping list:

Main yarn: DK weight (category 3), smooth plied cotton-acrylic blend, approximately 220 m per 100 g. You’ll need about 2800 m total, so buy 13 skeins of 100 g each in deep teal. This includes a generous allowance for trims.

Hooks: 4.0 mm for the main fabric and 3.5 mm for ribbed trims and appliques. Adjust as needed to meet your blocked gauge.

Notions: Yarn needle, 12 stitch markers, tape measure, scissors, blocking mats, sewing needle with matching thread. Optional: 6 sew-on pearl beads for tassel ends.

Lining: A separate matching slip or professionally fitted lining is recommended for opacity. The crochet instructions do not cover lining construction.

Gauge Information

Getting gauge right is essential for a fitted garment like this. Take the time to swatch properly.

Blocked main fabric: 18 stitches (or mesh positions) and 13 rows equals 10 x 10 cm (4 x 4 inches)

Make a swatch with at least 44 stitches for cables (4 repeats), a 39-position swatch for mesh (20 double crochet plus 19 spaces), or a 51-stitch swatch for other textures, plus 3 turning chains.

Work at least 22 rows using the stitch instructions below, then wash and dry flat. Measure the central 10 cm. Change your hook size until both dimensions match. Do not force-stretch the swatch.

Important: Hang the dry swatch for 24 hours and remeasure. A long dress can grow under its own weight. If your row gauge changes after hanging, use that measurement to choose a shorter row total before starting. Record your yarn, hook, and measured gauge on paper.

Abbreviations and Special Stitches

Here are all the terms you’ll encounter in this pattern:

ch = chain

st(s) = stitch(es)

sp = space

sl st = slip stitch

sc = single crochet (insert hook, yarn over, pull up a loop, yarn over, draw through both loops)

hdc = half double crochet

dc = double crochet (yarn over, insert hook, pull up a loop, yarn over, draw through 2 loops, yarn over, draw through remaining 2 loops)

tr = treble crochet

RS / WS = right side / wrong side

yo = yarn over

rep = repeat

BLO = back loop only

FPdc = front post double crochet

BPdc = back post double crochet

FPtr = front post treble crochet

pc = popcorn

Post Stitches Explained

Post stitches are worked around the vertical post of a stitch from the previous row, not into the top loops. This creates the raised, ribbed texture.

For front post (FP) stitches: insert your hook from front to back to front around the post, then complete the stitch normally.

For back post (BP) stitches: insert your hook from back to front to back around the post, then complete the stitch normally.

Do not also work into the top of that same stitch.

Other Special Stitches

sc2tog (single crochet two together): Insert hook in next stitch, yarn over and pull up a loop. Repeat in the following stitch. Yarn over and draw through all three loops on hook. Two stitches consumed, one stitch produced. This is a decrease.

Shell: Work 5 double crochet stitches into one stitch.

Picot: Chain 3, slip stitch into the first chain. This is decorative and does not serve as a base stitch.

Pattern Notes Before You Begin

Turning: Turn after every flat row. Chain 3 before each double crochet-based row and chain 1 before each single crochet row. Turning chains never count as a stitch. Always work into the first stitch.

Stitch counts: Appear in brackets at the end of each instruction, like this: [99 sts]

Brackets in directions: Enclose one repeat.

Fastening off: Leave a 20 cm tail when instructed.

Joining rounds: Slip stitch into the first actual stitch. The joining slip stitch and starting chains never count toward your stitch total.

Row counter: Keep one handy. This is a long project with many rows.

Shoulder shaping: When a shoulder begins mid-repeat, preserve the marked physical columns. Do not restart the texture at a new offset. Work edge stitches as plain double crochet if a cable would cross a cut edge.

Construction Overview

The dress is built in pieces and assembled:

1. Make front panel from hem to shoulder
2. Make back panel from hem to shoulder (shallower neck shaping)
3. Make two sleeves from cuff edge upward
4. Add any leaf motifs while pieces are flat (optional)
5. Join shoulders
6. Set in sleeves
7. Close sleeves and sides, leaving slit open
8. Add cuffs, neckline edging, hem edging, and belt

Main Stitch Pattern for Body Panels

With 4.0 mm hook and main color, chain 102 for each 99-stitch panel. The first 3 chains count as height only. Begin working in the fourth chain from hook.

Row 1 (RS): Double crochet in fourth chain from hook and in each chain across. [99 sts]

Row 2 (WS): Double crochet in first stitch; back post double crochet (BPdc) in next stitch, front post double crochet (FPdc) in next stitch; repeat from to 49 times total. [99 sts]

Row 3 (RS): Back post double crochet (BPdc) in next stitch, front post double crochet (FPdc) in next stitch; repeat from to 49 times, double crochet in last stitch. [99 sts]

Following rows: Repeat Rows 2 and 3. Mark the first RS-facing raised column and keep it raised throughout. [99 sts]

Front Dress Panel Instructions

Work the main stitch pattern through Row 148. [99 sts]

Row 149: Work next 33 positions in established pattern for first shoulder. Leave remaining 66 stitches unworked. Turn. [33 sts]

Rows 150 through 156: Continue over these 33 positions, preserving pattern columns. Fasten off after Row 156. [33 sts each row]

Second shoulder: Return to Row 148. Leave center 33 positions unworked for the neck opening. Join main yarn at the outer edge of the other 33 positions with the correct side facing for Row 149. Work 8 rows to match the first shoulder. [33 sts each row]

Back Dress Panel Instructions

Work a second 99-position panel through Row 154. [99 sts]

Rows 155 through 156: Work each outer group of 33 positions separately for 2 rows, leaving the center 33 stitches unworked for the back neck. Fasten off. [33 sts per shoulder each row]

Sleeves (Make Two)

With main yarn and 4.0 mm hook, chain 80. Work the sleeve pattern through Row 56, then fasten off. The starting edge is the cuff side. The last row is the shoulder side. [77 positions per row]

Row 1 (RS): Double crochet in fourth chain from hook and in each chain across. [77 sts]

Row 2 (WS): Double crochet in first stitch; back post double crochet (BPdc) in next stitch, front post double crochet (FPdc) in next stitch; repeat from to 38 times total. [77 sts]

Row 3 (RS): Back post double crochet (BPdc) in next stitch, front post double crochet (FPdc) in next stitch; repeat from to 38 times, double crochet in last stitch. [77 sts]

Following rows: Repeat Rows 2 and 3. Mark the first RS-facing raised column and keep it raised. [77 sts]

Belt or Drawstring

With main yarn and 3.5 mm hook, chain 10.

Row 1: Single crochet in second chain from hook and in each chain across. [9 sc]

Rows 2 through 320: Chain 1, turn, single crochet in back loop only (BLO) in every stitch. [9 sc each row]

Target length is 160 cm and approximately 4.5 cm wide. Use a belt swatch gauge of 20 rows per 10 cm. Lengthen or shorten by whole rows to reach 160 cm. Fasten off.

Assembly Instructions

You’ll need main-color yarn, a tapestry needle, and a 4.0 mm hook for any slip-stitch joining. Use mattress stitch unless noted. Match row ends and keep seams flexible.

Join 1 (Shoulders): With right sides facing outward, mattress-seam each front shoulder to the matching back shoulder, one stitch to one stitch. [33 paired stitches per shoulder; 2 seams total]

Join 2 (Set in Sleeves): Mark 26 row ends down from each shoulder on both front and back panels. Center each sleeve’s last row at the shoulder seam. Ease half the sleeve width to the front and half to the back. Pin four equal sections and sew. [52 body row ends per sleeve; 2 sleeve seams]

Join 3 (Close Sides and Sleeves): Close both sleeve underarms. Close body sides from below the armhole marker to the hem, leaving the bottom 65 row pairs open on the left side for the slit. [56 row pairs per sleeve; 130 body row pairs on full side; 65 on slit side]

Assembly Checkpoint

Shoulder widths should match. Sleeves should be centered and hang without twisting. The assembled chest should measure approximately 108 to 110 cm around after seam take-up. Try the dress over your intended slip before adding edgings. Both sleeve seams must match in length.

Edgings and Details

You’ll need main-color yarn and a 3.5 mm hook. Mark the first stitch of every round. Use a sewing needle and thread for optional beads.

Neckline Edging

Round 1: Attach yarn at back neck. Single crochet into 33 center back positions, 2 single crochet in each of 2 back neck row ends, 2 single crochet in each of 8 front neck row ends, 33 center front positions, then mirror both side edges. Join. [106 sc]

Round 2: Chain 3, double crochet in each single crochet around, join. [106 dc]

Round 3: Chain 3, front post double crochet (FPdc), back post double crochet (BPdc); repeat from to 53 times, join. [106 sts]

Round 4: Repeat Round 3. Fasten off. [106 sts]

Cuff Edging (Each Sleeve)

Round 1: Single crochet into first 7 foundation stitches; sc2tog 35 times around remaining foundation edge. Join. [42 sc]

Round 2: Double crochet in each single crochet around. Join. [42 dc]

Rounds 3 through 6: Front post double crochet (FPdc), back post double crochet (BPdc); repeat from to 21 times, join. [42 sts each round]

Fasten off after Round 6.

Slit Edging (Each Edge)

Row 1: Single crochet 2 stitches into each exposed row end. Fasten off at slit top. [130 sc on each of 2 edges]

Hem Edging

Row/Round 1: With right side facing, single crochet once into each foundation position. Treat both panels as one open row if there is a slit. Otherwise, join as a round. [198 sc]

Row/Round 2: Single crochet in next stitch, skip 2 stitches, 5 double crochet in next stitch (shell made), skip 2 stitches; repeat from to 33 times total. At open hem, fasten off after final skipped stitches. For closed hem, join to first single crochet. [33 shells plus 33 sc equals 198 worked stitches]

Edging Checkpoint

Neckline should lie flat and stretch comfortably over the head. Cuffs should measure approximately 21 to 23 cm around without forcing. Hem should have 33 scallops. If an edging flares or pulls, adjust hook size and rework while keeping the listed stitch counts.

Finishing

Weave each tail through at least 5 cm of adjacent stitch backs, reverse direction and repeat, then trim after checking security.

Damp-block the dress flat to schematic dimensions. Pin scallops evenly and support all garment weight. Avoid heat on acrylic and avoid pressing textured stitches. The body should measure 108 to 110 cm around with 2 equal sleeves.

Let dry completely. Fit over your intended lining and inspect each seam, cord end, and bead. Fold for storage instead of hanging long term.

Final checkpoint: Hem is even, slit length is 50.0 cm before edging. Record your actual finished measurements and yarn used. Wear-test by walking, sitting, and raising your arms before wearing the dress in public.

Fit Before Assembly Tips

Before seaming, block all pieces to measurements and baste seams temporarily. Check that the neckline passes over the head, the hips have walking ease, and the hem clears the floor in your intended footwear. The belt shapes an otherwise straight silhouette.

If you need to change the length, work only in complete texture repeats below the armhole. Document any altered row numbers before seaming permanently.

Care Instructions

Follow the care instructions on your yarn label. Hand wash cool with mild detergent if compatible with your chosen yarn. Support the garment while wet, roll in a towel to remove excess water, and dry flat.

Remove detachable embellishments before washing. Keep beads, needles, and cut threads away from children and pets. Inspect sewn beads before each wearing.

Long cords, tassels, and open lace can snag on things. Keep clear of machinery and flame. Shorten a dragging hem if needed. This pattern is designed for adult clothing only.

Final Thoughts on This Evening Dress Pattern

Creating a garment this elegant takes time and attention, but the result is absolutely worth the effort. The ribbed texture catches the light beautifully, the fitted silhouette flatters, and that side slit adds just the right amount of drama. Whether you’re making this for a special event or simply because you deserve something gorgeous in your wardrobe, you’re going to love wearing this dress.

Thank you so much for choosing this pattern. If you make this teal ribbed evening dress, I’d love to see it! Share your photos on Instagram or Facebook so we can celebrate your beautiful work together.

Save this pattern to your Pinterest boards so you can find it when you’re ready to start. And if you do make it, drop a comment below. I’d love to hear how it turned out for you!

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