Diagonal Bobble Pop Granny Square Blanket Crochet Pattern

Introduction

This warm and inviting crochet project is a stunning example of how classic techniques can be combined to create visually impressive home decor. The blanket in question is constructed with large, bold granny squares, each featuring an eye-catching diagonal line of textured bobble stitches in alternating shades of green and cream. The background of each square is a solid, rich green, which helps the bobbles pop and gives the blanket a cozy, forest-inspired look. Matching pillows echo the diagonal motif, creating a cohesive and sophisticated aesthetic that transforms any bedroom or living space.

The unique diagonal popcorn/bobble lines give both visual rhythm and tactile appeal, making this blanket an absolute joy to work on and to use. Whether draped across a bed, spread on a couch, or gifted to a loved one, this blanket serves as both a functional piece of warmth and an elegant display of crochet artistry. The project is especially rewarding because of its modular nature—each square, border, and pillow cover can be crafted independently, making it easy to work on in sections or on the go.

Making this blanket offers a fulfilling experience for intermediate crocheters looking to develop their skills in bobble stitch, colorwork, and seaming techniques. The timeless color palette is easy to customize, and the repetitive yet engaging nature of the pattern is perfect for relaxing evenings or collaborative group projects.

Project Overview

This blanket is constructed from individual granny squares, each worked in rounds. The squares feature a diagonal stripe of bobbles/puff stitches set against a solid background. Once squares are completed, they are joined together in a grid layout, then finished with a multi-row scalloped border for a unified look. Matching pillow covers are created using the same square motif. Each piece is made separately and sewn together at the end.

Squares worked in rounds, not rows
Bold diagonal bobble/puff feature
Sew or crochet-join assembly

Skill Level

Intermediate. This pattern is best suited for crocheters who are comfortable working in the round, changing colors within a round, making bobble or puff stitches, and sewing or joining motifs together. Attention to stitch placement and an even tension are important for uniform results.

Materials

To create a visually similar blanket and pillows, gather the following materials:

Worsted weight yarn (category 4). Soft acrylic, acrylic-cotton blend, or premium cotton are excellent choices for durability and washability.
Main color (MC): Forest green – approx. 2700 yds (2470 m) for a queen-size blanket (60 x 80 in/150 x 200 cm) plus matching pillows.
Accent color 1 (AC1): Light moss or sage green – approx. 600 yds (550 m).
Accent color 2 (AC2): Cream or soft white – approx. 600 yds (550 m).
Crochet hook: US size H-8 (5.0 mm) or size needed for gauge
Tapestry needle for seaming and weaving in ends
Scissors
Stitch markers (helpful for marking corners or color changes)
Measuring tape

Optional: Blocking mats and pins will help shape squares for the best assembly.

Finished Size

The approximate finished size for a blanket composed of 6 x 8 squares (48 total) is 60 x 80 inches (150 x 200 cm). Each square measures about 10 x 10 inches (25 x 25 cm) after blocking. Border width adds an extra 2-3 in (5-7 cm) per side. Pillow covers fit standard 18 in (45 cm) square inserts.

To adjust blanket size, simply increase or decrease the number of squares and/or alter square size by using a lighter or heavier yarn and adjusting the hook size accordingly.

Gauge

1 granny square (using recommended yarn and hook) should measure approximately 10 x 10 inches (25 x 25 cm) after blocking.

Approximate gauge: 13 dc x 8 rows = 4 in (10 cm)
It’s important to check gauge to ensure individual squares join neatly and your finished blanket size matches expectations. Small differences in gauge will alter the overall dimensions.

Stitches and Abbreviations

ch: chain
sl st: slip stitch
sc: single crochet
hdc: half double crochet
dc: double crochet
bo (bobble): yarn over, insert hook, *yarn over, pull through, yarn over, pull through 2*, repeat from * to * 4 times in the same stitch (total 5 loops drawn up), yarn over, pull through all loops on hook
st, sts: stitch, stitches
RS: right side
WS: wrong side

Pattern Notes

Ch-3 at the beginning of each round counts as a dc unless otherwise specified.
Squares are worked in joined rounds, turning work at the end of every round to ensure even fabric and minimize twisting.
Color changes: Always complete the last yarn over of the preceding stitch with the new color; carry unused yarn neatly along the row or encapsulate to keep edges tidy.
Bobbles are made with the right side facing for best texture; mark RS if necessary.
Use stitch markers to quickly locate each corner or the start of the diagonal motif for each round.
Count stitches carefully at the end of each round to maintain square shape and alignment for assembly.

Crochet Pattern Instructions

Granny Square with Diagonal Bobble Pop

Work color A (background green), color B (light green), and color C (cream) as indicated. Plan your color sequence for bobble stripes to achieve the desired pattern—see the photo for diagonal stripes alternating light green and cream.

Foundation: With MC, ch 4, join with sl st to form a ring (or use magic ring if preferred).
Round 1 (RS): Ch 3 (counts as dc), 2 dc in ring, ch 2. *(3 dc in ring, ch 2)* three times. Join with sl st to top of beg ch-3. Turn. (12 dc, 4 ch-2 spaces)
Round 2 (WS): Sl st in next 2 dc and into ch-2 space, ch 3 (counts as dc), 2 dc in same ch-2 space, ch 2, 3 dc in same space (first corner made). *(3 dc in next ch-2 space, ch 2, 3 dc in same space)* three times. Join, turn. (24 dc, 4 ch-2 spaces)
Round 3: Sl st into corner as before, ch 3, 2 dc in same sp, ch 2, 3 dc in same sp. *(3 dc between next 3-dc groups, 3 dc, ch 2, 3 dc in next ch-2 corner)* three times. 3 dc between last 3-dc groups. Join, turn. (36 dc, 4 ch-2 spaces)
Round 4 (Start of Diagonal Bobbles): Work as above, but on one diagonal (lower left to upper right as seen from RS), substitute bobble stitches for double crochets in those squares. Start color sequence as follows—beginning at the first corner, count stitches to ensure the diagonal. Work bobbles (bo) with AC1 or AC2 per your stripe plan. Alternate colors to establish the distinctive diagonal pop. Continue granny square increases at corners. (48 sts, 4 ch-2 corners)
Rounds 5-8: Continue working in established pattern, with bobbles and color changes climbing diagonally across square, extending each round’s bobble line by one so that a crisp diagonal forms. Carry colors carefully; always encase or keep floats short. Each corner: 3 dc (or 3 bo if on diagonal), ch 2, 3 dc.
Round 9 (Final Border for Each Square): With MC, work 1 round of sc evenly, switching to accent color for final stitch if desired. Make sure corners have 3 sc in the ch-2 space to keep shape. Fasten off, weave ends.

Each completed square should measure about 10 x 10 inches. Make 48 squares for a 6 x 8 blanket (adjust as needed for your preferred size).

Border

Join MC in any stitch along the blanket’s outer edge. Work 1 round of sc all the way around, putting 3 sc in each corner join. Join, fasten off.
Next, with AC1, join at any corner. Ch 3 (counts as dc), skip 1 st, (5 dc in next st, skip 1 st, sc in next, skip 1 st) repeat for a scalloped border edge. At the corners, you may need to increase (7 dc) in the very corner stitch to keep from curling.
Optionally, repeat with AC2 for a double scallop effect, working between scallops from previous round.

Pillow Covers

Make two squares per pillow in the same way as blanket squares. Join three edges with sc or whip stitch; insert pillow form, then seam fourth edge, or use buttons/zippers for a removable cover.

Assembly and Finishing

Lay out finished squares on a flat surface to check arrangement and alignment of diagonal lines. Rearranging at this stage ensures the most visually pleasing layout. Once satisfied, join squares with whip stitch or join-as-you-go slip stitch. Work through back loops only for a subtle ridge or both loops for an invisible seam. Take care to align corners and keep seams consistent. Weave in all yarn ends securely on the wrong side.

Wet block or spray lightly with water, then shape and pin blanket to proper dimensions. Allow to dry completely for crisp corners and consistent size. If making matching pillow covers, stuff lightly and shape as needed for plump, even appearance.

Customization Ideas

Color schemes: Try bold primary colors, monochrome, or gradient ombre stripes for a different mood.
Yarn: Use baby yarn for a soft crib blanket or chunky yarn for a modern, oversized throw.
Size: Adjust square size and count to make table runners, baby blankets, or seat cushions.
Uses: The granny squares also make excellent coasters, bags, or wall hangings when used individually or in small groups.

Troubleshooting

Curling squares: If your squares curl, check that you’re turning after each round and not pulling slip joins too tight. Lay flat to block before assembly.
Uneven edges: Confirm stitch counts are consistent every round. Don’t skip chains or misplace bobbles, as this can distort the diagonal.
Piece too large/small: Compare your gauge early—if too far off, change hook size or adjust tension.
Loose or messy color changes: Always switch color on the last yarn over, and carry unused yarn neatly inside stitches or along the back, never in front.
Uneven tension: If your bobbles look uneven, try pulling loops consistently tight and practice on scrap yarn to establish a rhythm.

Care Instructions

Wash finished blanket and pillow covers in cold water on the delicate cycle (or by hand for wool or handmade-friendly fibers). Use mild detergent. Lay flat to dry on clean towels or a drying rack. Do not wring or twist. Store folded in a cool, dry area—avoid sunlight to prevent fading.

Final Notes

Take your time counting stitches and checking placement of bobble diagonals to ensure a crisp, professional-looking finish. Adjust your tension if needed for neat, uniform squares. Use the accompanying photograph as a visual guide for both color layout and final arrangement, and don’t hesitate to add your own creative touches along the way for a truly personalized heirloom blanket.