Welcome to Week 27 of the Sectional Blanket mystery crochet along! This week, we will crochet our twenty-seventh section using the herringbone double crochet, a variation on the double crochet stitch that has a more pronounced tilt. Your gauge for a herringbone double crochet may be different than that of your standard crochet, so consider changing your hook size to make this section the same size as other sections in this CAL (and see Pattern Notes for details).
This post contains affiliate links. I may receive compensation (at no added cost to you) if you make a purchase using these links. Materials for this project were generously provided by WeCrochet.
Join the Sectional Mystery Crochet Along!
- Learn more about the CAL (and enter to win the end-of-CAL giveaways by 11:59 p.m. Eastern on December 31, 2022) in this blog post.
- You can join in by crocheting along with each section of this blanket as you have time.
- Sign up for my newsletter here so you never miss a clue!
- Share your progress and post pictures of your finished projects. Tag your projects and posts #undergroundcrafter and #sectionalblanketcal on all social media. You can also tag me as Underground Crafter on Facebook, or as @ucrafter on Instagram and Twitter when you’re sharing project pictures.
- If you decide to donate sections locally or to Warm Up America directly, USE THIS FORM to track your donations and to enter a special Sectional Blanket giveaway through December 31, 2022! If you donate sections or a complete blanket, you can also use the #warmupamerica hashtag.
- If you’d like to chat with other crocheters, join the Underground Crafters Facebook group or the Underground Crafter Ravelry group.
- By the end of the CAL, you’ll have your own beautiful throw blanket to cuddle up underneath, or to donate!
- Use the button below on your Ravelry project pages or elsewhere on social media. Right click (on desktop) or tap and hold (on mobile) to save.
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Sectional Blanket Week 27: Herringbone Double Crochet
Crochet Pattern by Underground Crafter
The Sectional Blanket is a mystery crochet along in 7″ x 9″ (18 cm x 23 cm) sections, the size preferred by our charity partner, Warm Up America. New clues will be released on Fridays through December 16, 2022. If you decide to donate sections locally or to Warm Up America directly, USE THIS FORM to track your donations and to enter a special Sectional Blanket giveaway through December 31, 2022!
- Throw Blanket, approximately 49″ x 63″ (124.5 cm x 160 cm) without borders.
- WeCrochet Brava Worsted yarn (100% acrylic, 3 oz/100 g, 218 yd/200 m): 18 skeins in your choice of colors, or approximately 3,750 yards/3,429 meters in any medium weight yarn.
- I am using the following colors for my version:
- Color A/28437 Marina,
- Color B/29246 Tidal Speckle,
- Color C/28454 Tranquil,
- Color D/29247 Snow Day Speckle,
- Color E/28422 Cornflower,
- Color F/28419 Clarity, and
- Color G/28451 Sky.
- I am using the following colors for my version:
- WeCrochet Majestic US Size I-9/5.5 mm crochet hook, or size that matches gauge or you prefer using with medium weight yarn.
- WeCrochet locking stitch marker set (optional, but helpful for marking the front and holding pieces together for seaming).
- WeCrochet bent-tip yarn needle.
- 20 dc = 6″ (15 cm) across. Exact gauge is not critical for this project. If you plan to donate your finished sections to Warm Up America, please note that finished sections must measure 7″ x 9″ (18 cm x 23 cm).
Sectional Blanket Pattern Notes
- Whenever possible, I recommend crocheting over your yarn tails as you work. Sometimes, a stitch pattern will be too lacy to effectively crochet over your yarn tails. In that case, I recommend weaving in ends.
- Fiber Flux has a helpful video tutorial for crocheting over your yarn tails as you work here.
- Stitches n Scraps has helpful video and photo tutorials for 3 ways of weaving in ends here. I use the yarn (tapestry) needle method.
- Color changes are only suggestions. You are welcome to change colors more or less often.
Abbreviations Used in This Pattern
- BL – back loop only – Fiber Flux has a helpful video for identifying the back loop here.
- CC – Color C
- ch – chain
- HBdc – herringbone double crochet – Yo, insert hook in next st, yo and draw through 2 loops, yo and draw up a loop, yo and draw through 2 loops. A video tutorial for this stitch is available below.
- If you can’t see the tutorial above for the herringbone double crochet, click HERE to watch it on Instagram.
- sc – single crochet
- sl st – slip stitch
- sp – space
- st(s) – stitch(es)
- yo – yarn over
- *Repeat instructions after asterisk as indicated.
-  Repeat instructions between brackets as indicated.
- () Work instructions in parentheses into same stitch or space.
Notes for Section 27
- Ch 1 at beginning of Rows and Rounds and sl st joins do not count as a stitches.
- Color changes are only suggestions. You are welcome to change colors more or less often. For this section, my Color C is WeCrochet Brava Worsted yarn in 28454 Tranquil.
- My gauge is looser for a herringbone double crochet than for a standard double crochet. To make this section the same width of my other squares, I used a smaller crochet hook (US Size H-8/5 mm) than I did for the other sections.
Section 27: Herringbone Double Crochet
- With CC, ch 21.
- Row 1: Turn, skip 1 ch, sc in next 20 ch. (20 sts)
- Row 2: Turn, ch 3 (counts as first HBdc), HBdc in next st and in each st across.
- Rep Row 2 until section measures approximately 8″ (20.5 cm) tall.
- Next Row: Turn, ch 1, sc in first st and in each st across.
- Begin working in Rounds for Border.
- Border Round 1: Turn, ch 1, sc in same st and in each st across Next Row, *ch 2, turn to work along long edge, evenly work 28 sc along long edge,** ch 2, turn to work along foundation row, sc in next 20 sts, rep from * to **, ch 2, join with sl st to first sc. (20 sts on each short side + 28 sts on each long side + 4 ch-2 sp)
- Border Round 2: Ch 1, starting in same st [scBL in next 20 sts, (sc, ch 2, sc) in next ch-2 sp, scBL in next 28 sts, (sc, ch 2, sc) in next ch-2 sp] twice, join with sl st to first sc. (22 sts on each short side + 30 sts on each long side + 4 ch-2 sp)
- Fasten off with long yarn tail (approximately 30″/76 cm) for seaming.