Silver Birch Ribbed Crochet Blanket Free Pattern
Introduction
The Silver Birch Ribbed Blanket is a rectangular baby blanket that captures the calm, quiet look of birch bark in winter. Worked in wide vertical blocks of ice blue and silver, it uses front-post and back-post double crochet to create a raised ribbed texture that looks far more intricate than it really is. It is a wonderful project for anyone who has mastered single and double crochet and wants to try post stitches for the first time. The finished blanket is soft, squishy, and cozy — just right for a mountain cabin nursery or a stroller on a crisp morning.
Materials Needed
- Yarn: Worsted weight (4) acrylic or cotton blend. Color A (ice blue): 600 yards. Color B (silver): 600 yards.
- Hook: 5.5 mm (US I/9), or size needed to match gauge.
- Notions: Tapestry needle for weaving in ends, scissors, and a measuring tape.
- Finished size: 30 inches wide x 36 inches long.
Abbreviations
- ch — chain
- sc — single crochet
- dc — double crochet
- fpdc — front post double crochet: work a double crochet around the post of the stitch below, bringing the hook in front of the fabric
- bpdc — back post double crochet: work a double crochet around the post of the stitch below, bringing the hook behind the fabric
- st(s) — stitch(es)
- sl st — slip stitch
- rep — repeat
Gauge
14 stitches and 12 rows = 4 inches in post-stitch ribbing pattern. To check, crochet a small swatch in the pattern, lay it flat without stretching, and measure a 4-inch section in both directions.
Tips Before You Start
- Post stitches are worked around the post of the stitch below, not into the top loops. Keep your hook relaxed so the ribs stay even.
- Because the pattern alternates fpdc and bpdc every row, the ribs will look slightly offset at first — this is correct and creates the bark-like texture.
- Change colors at the end of the last row of each block by finishing the final stitch with the new color, so the color edge stays clean.
- Count your stitches at the end of every color block to make sure you still have 105 stitches across.
Step-by-Step Instructions
The blanket is worked in one piece, widthwise, in alternating color blocks.
Main Blanket
With A, ch 106.
Row 1: Sc in 2nd ch from hook and in each ch across, turn. (105 sc)
Row 2: Ch 1, sc in first st, *fpdc around next st, bpdc around next st; rep from * to last st, sc in last st, turn. (1 sc, 103 post sts, 1 sc)
Row 3: Ch 1, sc in first st, *bpdc around next st, fpdc around next st; rep from * to last st, sc in last st, turn. (1 sc, 103 post sts, 1 sc)
Rows 4-18: Rep Rows 2-3, ending with Row 2. (15 rows total in A)
Change to B.
Rows 19-33: With B, rep Rows 2-3, ending with Row 2. (15 rows in B)
Change to A.
Rows 34-48: With A, rep Rows 2-3, ending with Row 2. (15 rows in A)
Change to B.
Rows 49-63: With B, rep Rows 2-3, ending with Row 2. (15 rows in B)
Change to A.
Rows 64-78: With A, rep Rows 2-3, ending with Row 2. (15 rows in A)
Change to B.
Rows 79-93: With B, rep Rows 2-3, ending with Row 2. (15 rows in B)
Change to A.
Rows 94-108: With A, rep Rows 2-3, ending with Row 2. (15 rows in A)
Do not fasten off.
Border
Round 1: Ch 1, sc evenly around entire blanket, working 1 sc in each st and 1 sc in each row-end, and 3 sc in each corner; join with sl st to first sc. (Approx 105 sts top and bottom, 108 sts each side, plus corners)
Round 2: Ch 1, sc in each sc around, working 3 sc in each corner; join with sl st to first sc. Fasten off.
Assembly and Finishing
No seaming is needed — the blanket is worked in one piece. Weave in all ends along the color changes and border, taking care to hide them on the wrong side. Block lightly to measurements: mist with water, pin to 30 x 36 inches, and let dry flat so the ribbing and border lie straight.
Pro Tips and Variations
- Swap the silver for a soft cream or sage green to change the cabin palette while keeping the same birch texture.
- Add a third border round in a contrasting color for a slightly bolder frame.
- For a larger throw, add more 15-row color blocks in the same A-B sequence, keeping the stitch count at 105.
