Rainbow Whoosh Afghan Square

It’s that time of year again, I’ve celebrated another trip around the sun, and have another Afghan Square pattern for you. This year the center of my square is a little tricky. The center starts with 8 colors worked at the same time. You may find it easier to make 4 yard balls of colors B – H so that they are easier to untangle as the first 8 rounds progress.

This square is Block #21 in the 2025 Moogly CAL. You can see Tamara’s notes on her square here at MooglyBlog.com as well as finding the links to the other CAL blocks.

Rainbow Whoosh Square

Designed by Andee Graves

Skill level:         Intermediate

Finished Size: 12” square

Materials:

Yarn 

Worsted wt (Sample uses Berroco “Vintage” 52% Acrylic, 40% Wool, 8% Nylon (3.5 oz/100g, 218 yd/200 m)

Color A: Mochi #5101 (sample used approximately 65.5 yards) R1-11: 12.3 g/27 yds + R19-21: 17.6 g/38.5 yds

Color B: Sour Cherry #5134 (sample used approximately 10 yards) R2-8: 1.8g/4yds + R12: 2.6 g/6 yds

Color C: Tangerine #51130 (sample used approximately 10.5 yards) R2-8: 1.8g/4yds + R13: 2.9 g/6.5 yds

Color D: Sunny #5121 (sample used approximately 11 yards) R2-8: 1.8g/4yds + R14: 3.2 g/7 yds

Color E: Envy #5162 (sample used approximately 12 yards) R2-8: 1.8g/4yds + R15: 3.5 g/7.7 yds

Color F: Horizon Blue #51134 (sample used approximately 12.5 yards) R2-8: 1.8g/4yds + R16: 3.8 g/8.5 yds

Color G: Wild Blueberry #5160  (sample used approximately 13 yards) R2-8: 1.8g/4yds + R17: 4.1 g/9 yds

Color H: Violet #51122 (sample used approximately 14 yards) R2-8: 1.8g/4yds + R18: 4.4 g/9.6 yds

Hook

J / 6 mm

Notions

Yarn/tapestry needle for weaving in ends, locking stitch markers: 8 in one color, 8 in another color.

Gauge First 3 rounds of pattern = 2.5” across squar

Abbreviations/Special Stitches

Standing Half Double Crochet (standing hdc): make slip knot in yarn and place loop snugly on shaft of hook, yo and insert hook into indicated st, yo, pull up a loop, yo, pull through all 3 loops on hook.

Pattern Notes:

Start square with an adjustable slip knot. Beginning tail tightens the loop on the hook. First 9 rounds are worked continuously.

For center square beginning with Color B, each arm of the center spiral takes approximately 4 yards of yarn. Color A uses more because it is used in Rnds 1 – 11.

Instructions

Rnd 1 (RS): Starting with Color A, ch 2, (8 sc) in 2nd ch from hook. Gently pull beginning tail to tighten center. [8 sc]

Rnd 2 (RS):  Continuing with color A, (sc, hdc) in next st, place increase st marker in hdc just made, pull up a big loop and use locking st marker to secure loop, [Attach new color (ch 1, sc, hdc) in next st, place increase st marker in hdc just made, pull up a big loop and use locking st marker to secure] 7 times. [1 sc and 1 hdc in each color, 16 sts total for Rnd]

Rnd 3 (RS):  [With each color, hdc in next st, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times. [3 hdc in each color, 24 sts total for Rnd]

Rnd 4 (RS): [With each color, hdc in each of next 2 sts, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times. [4 hdc in each color, 32 sts total for Rnd]

Rnd 5 (RS): [With each color, hdc in each of next 3 sts, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times. [5 hdc in each color, 40 sts total for Rnd]

Rnd 6 (RS): [With each color, hdc in each of next 4 sts, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times. [6 hdc in each color, 48 sts total for Rnd]

Rnd 7 (RS): [With each color, hdc in each of next 5 sts, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times. [7 hdc in each color, 56 sts total for Rnd]

Rnd 8 (RS): [With each color, hdc in each of next 6 sts, 2 hdc in next marked st, move st marker to 2 hdc made in marked st] 8 times, [starting with color B, sc in next st, loose sl st in next st, sl st in back loop of next st, fasten off yarn] 7 times using Colors B-H. DO NOT FASTEN OFF Color A. [8 hdc in each color, plus 1 sc and loose sl st in colors B-H, 64 sts total for Rnd]

Rnd 9 (RS): With Color A, [hdc in each unmarked st, 2 hdc in each marked st, move st marker up to 2nd hdc made] 8 times. Remove all st markers. Mark last st with 1 color, Counting back from last st PM with different color in 6th, 24th, 42nd, and 60th sts; [72 hdc]

Rnd 10 Square off (RS): Sc in each of next 8 sts, [*hdc in next st, dc in each of next 2 sts, Tr in next st, (2 Tr, ch 2, 2 Tr) in marked st, more st marker to ch-2 sp just made, Tr in next st, dc in each of next 2 sts, hdc in next st,* sc in each of next 9 sts] 3 times, Repeat from * to * once, sc in next st, loose sl st in next st, sl st in back loop of next st. [36 sc, 8 hdc, 16 dc, 24 Tr, 4 ch-2 sp, 1 loose sl st {21 sts between ch-2 sps}]

Rnd 11 (WS): Ch 1, turn, [sc in each st until reach marked ch-2 sp, (sc, ch 2, sc) in ch-2 sp, move st marker to ch-2 sp just made] 4 times, sc in each st back to beginning of Rnd, join with sl st to first sc of Rnd. Fasten off. [92 sc, 4 ch-2 sps {23 sc along each side between ch-2 sps}]

Rnd 12 (WS): Using Color B and with WS facing *attach yarn in any st along a side, ch 1, sc in same st as join, [sc in each st until reach marked ch-2 sp, (sc, ch 2, sc) in marked ch-sp, move st marker to ch-2 sp just made] 4 times, sc in each st until reach beginning of Rnd, sl st to first sc, Fasten off yarn. [100 sc, 4 ch-2 sps {25 sc along each side between ch-2 sps}]

Rnd 13 (RS): With RS facing attach Color C, repeat instructions from Rnd 12 starting at *. [108 sc, 4 ch-2 sps {27 sc along each side between ch-2 sps}]

Rnd 14 (WS): With WS facing attach Color D, repeat instructions from Rnd 12 starting at *. [116 sc, 4 ch-2 sps {29 sc along each side between ch-2 sps}]

Rnd 15 (RS): With RS facing attach Color E, repeat instructions from Rnd 12 starting at *. [124 sc, 4 ch-2 sps {31 sc along each side between ch-2 sps}]

Rnd 16 (WS): With WS facing attach Color F, repeat instructions from Rnd 12 starting at *. [132 sc, 4 ch-2 sps {33 sc along each side between ch-2 sps}]

Rnd 17 (RS): With RS facing attach Color G, repeat instructions from Rnd 12 starting at *. [140 sc, 4 ch-2 sps {35 sc along each side between ch-2 sps}]

Rnd 18 (WS): With WS facing attach Color H, repeat instructions from Rnd 12 starting at *. [148 sc, 4 ch-2 sps {37 sc along each side between ch-2 sps}]

Rnd 19 (RS): With RS facing attach Color A using a standing hdc in any st along a side, [hdc in each st until reach marked ch-2 sp at corner, (hdc, ch 2, hdc) in ch-2 sp, move st marker to ch-2 sp just made] 4 times, hdc in each st until reach beginning of Rnd, join with sl st to first hdc. [156 hdc, 4 ch-2 sps {39 hdc along each side between ch-2 sps}]

Rnd 20 (WS): Ch 1, turn, [sc in back bar and back loop of each hdc until reach marked ch-2 sp at corner, (sc, ch 2, sc) in ch-2 sp, move st marker to ch-2 sp just made] 4 times, sc in back bar and back loop of each hdc until reach beginning of Rnd, join with sl st to first sc. [164 sc, 4 ch-2 sps {41 sc along each side between ch-2 sps}]

Rnd 21 (RS): Ch 1, turn, sc in each st until reach marked ch-2 sp at corner, (sc, ch-2, sc) in ch-2 sp, move st marker to ch-2 sp just made] 4 times, sc in each st until reach beginning of Rnd, join with sl st to first sc. Fasten off. [172 sc, 4 ch-2 sps {43 sc along each side between ch-2 sps}]

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