This beautiful color block duster cardigan is the perfect crochet project for those looking to create a stylish, cozy garment with a modern twist. The cardigan is crafted using the Extended Half Double Crochet (EHDC) stitch for a unique texture and is worked in three lovely colors Claret/Bordeaux, Oxford Gray, and Antique White.
Crochet Color Block Cardigan

The design features minimal seaming and offers a top-down construction method with a seamless color transition, making it perfect for both beginners and experienced crocheters. With its elegant puff stitch detailing and comfortable fit, this cardigan can easily be customized to suit your personal style, whether you're crafting for autumn or layering up for cooler months.
Materials
- Yarn: Lion Brand Pound of Love (Medium 4-weight yarn)
- Color A: Claret/Bordeaux
- Color B: Oxford Gray
- Color C: Antique White
- Hook: 6.5 mm (or size needed to obtain gauge)
- Stitches Used: Extended Half Double Crochet (EHDC), Stacked Single Crochet, Puff Stitch, Double Crochet 2 Together (DC2TOG), Half Double Crochet (HDC)
Gauge: The pattern is made to measure. Adjust stitch counts and row numbers to fit your body.
Part 1: Main Body (Worked Flat in Rows)
The entire body is worked flat in rows, creating the bottom edges of the front panels, the back panel, and top edges of the front panels in one continuous piece.
Color A (Example: 37 Rows)

Foundation Row:
- Create a foundation of EHDC stitches. Ensure the stitch count is an even number.
- Example: 112 stitches
Rows 2-36:
- Work EHDC in each stitch across.
- Example: 35 rows
Row 37 (Puff Stitch Row):
- Work Puff Stitch in every other stitch. End with a regular DC stitch.
Color Change:
- Join Color B seamlessly.
- Color B (Example: 28 Rows)
Row 1 (EHDC BLO):
- Work EHDC in Back Loop Only for each stitch.
Rows 2-27:
- Continue with EHDC across.
Row 28 (Puff Stitch Row):
- Repeat Puff Stitch Row pattern from Color A.
Color Change:
- Change to Color C.
- Color C (Example: 2 Rows)
Rows 1-2 (EHDC BLO):
- Work EHDC in Back Loop Only.
Top Panels (Worked Flat in Rows - Color C)
The front and back panels are worked separately using Color C. The height of these panels determines the armhole depth.
Top Right Front Panel (Rows 1-14)

Rows 1-12:
- Work EHDC rows over the calculated width.
Row 13 (Puff Stitch Row):
- Work Puff Stitch Row pattern.
Row 14 (EHDC BLO):
- Work EHDC BLO.
Fasten Off:
- Leave a long tail for seaming.
Top Left Front Panel (Rows 1-14)
- Repeat the exact same process for the left front panel.
Top Back Panel (Rows 1-14)

Identify Stitches:
- Skip stitches on both sides to create armhole gaps.
Rows 1-12:
- Work EHDC rows across.
Row 13 (Puff Stitch Row):
- Repeat Puff Stitch Row pattern.
Row 14 (EHDC BLO):
- Work EHDC BLO.
- Fasten Off.
Assembly and Sleeves

Shoulder Seaming:
- Seam the front panels to the back panel using a mattress stitch.
Sleeves (Worked in the Round)
- Attach yarn at the bottom of the armhole.
- Work rounds using EHDC, decreasing as necessary for fit.
- Finish with a Puff Stitch round.
- Change to Color B and continue working the sleeve in rounds.
- Finish the cuff with DC2TOG to create a tight sleeve cuff.
- Repeat the process for the second sleeve.
Final Border (Color A)
Row 1 (HDC):
- Work a row of HDC around the entire cardigan opening.
ForRow 2 (HDC):
- Repeat the HDC pattern.
Row 3 (Puff Stitch Row):
- Work Puff Stitch around.
Fasten Off:
- Weave in all ends.





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