Prism Cascade Reversible Granny Square Free Crochet Pattern

Introducing the Prism Cascade Reversible Granny Square

Get ready to fall in love with crochet all over again! The Prism Cascade Reversible Granny Square is a stunning, modern twist on the classic granny square that you'll be proud to display. This pattern features a breathtaking cascading rainbow color flow that is completely reversible—meaning there's no "wrong side" to hide. The result is a thick, textured, and plush square that's perfect for cozy blankets, decorative pillows, or as a striking statement piece on its own.

Designed with beginners in mind, this pattern uses basic double crochet stitches and simple increases to create a mesmerizing spiral effect. The dense fabric and the unique reverse single crochet border give it a professional, polished finish that looks far more complicated than it actually is. Whether you're looking to use up your yarn stash or create a vibrant gift, this pattern is a joyful, colorful journey from the very first stitch to the last.

Materials Needed

Before you begin, gather the following supplies to ensure a smooth and enjoyable crochet session:

• Yarn: Worsted weight yarn in 7 colors + 1 Main Color (MC). For a vibrant rainbow effect, consider using Red Heart Super Saver in:
  • Cherry Red (Color A)
  • Pumpkin (Color B)
  • Bright Yellow (Color C)
  • Spring Green (Color D)
  • Turqua (Color E)
  • Royal Blue (Color F)
  • Purple (Color G)
  • Main Color (MC): White or Black
• Crochet Hook: 5.5 mm (I-9) crochet hook
• Other: Yarn needle for weaving in ends, scissors

Gauge: First 3 rounds = 3 inches in diameter. (Gauge is not critical for this project, but maintaining a consistent tension will help your square lay flat.)

Step-by-Step Instructions

This pattern is worked in continuous spiraling rounds, creating a reversible fabric with no wrong side. The color changes create the cascading rainbow effect. Let's get started!

Special Stitches

• Cluster (CL): Yarn over, insert hook into indicated space, yarn over, pull up a loop, yarn over, pull through 2 loops (2 loops on hook). Repeat 2 more times in same space (4 loops on hook). Yarn over, pull through all 4 loops.
• Reverse Single Crochet (RSC): Work single crochet in the opposite direction (left to right for right-handed crocheters). This creates a beautiful, twisted rope-like edging.

Foundation

With Color A (Red), make a magic ring. (If you're not comfortable with a magic ring, you can chain 4 and slip stitch to form a ring.)

Round 1 (Color A - Red)

Chain 3 (counts as first double crochet), work 11 double crochets into the ring. Pull the ring tight to close the center hole. Join with a slip stitch to the top of the beginning chain-3. (12 dc)

Round 2 (Color A - Red)

Chain 3 (counts as first dc), 1 dc in the same stitch (this is your increase). Work 2 dc in each stitch around. Join with a slip stitch to the top of the beginning chain-3. (24 dc)

Round 3 (Color A - Red)

Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in the next stitch. *2 dc in the next stitch, 1 dc in the next stitch.* Repeat from * to * around. Join with a slip stitch. (36 dc)

Round 4 (Color B - Orange)

Attach Color B in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 2 stitches. *2 dc in the next stitch, 1 dc in each of the next 2 stitches.* Repeat from * to * around. Join with a slip stitch. (48 dc)

Round 5 (Color C - Yellow)

Attach Color C in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 3 stitches. *2 dc in the next stitch, 1 dc in each of the next 3 stitches.* Repeat from * to * around. Join with a slip stitch. (60 dc)

Round 6 (Color D - Green)

Attach Color D in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 4 stitches. *2 dc in the next stitch, 1 dc in each of the next 4 stitches.* Repeat from * to * around. Join with a slip stitch. (72 dc)

Round 7 (Color E - Turquoise)

Attach Color E in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 5 stitches. *2 dc in the next stitch, 1 dc in each of the next 5 stitches.* Repeat from * to * around. Join with a slip stitch. (84 dc)

Round 8 (Color F - Blue)

Attach Color F in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 6 stitches. *2 dc in the next stitch, 1 dc in each of the next 6 stitches.* Repeat from * to * around. Join with a slip stitch. (96 dc)

Round 9 (Color G - Purple)

Attach Color G in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 7 stitches. *2 dc in the next stitch, 1 dc in each of the next 7 stitches.* Repeat from * to * around. Join with a slip stitch. (108 dc)

Round 10 (Main Color - White or Black)

Attach MC in any stitch. Chain 3 (counts as first dc), 1 dc in the same stitch, 1 dc in each of the next 8 stitches. *2 dc in the next stitch, 1 dc in each of the next 8 stitches.* Repeat from * to * around. Join with a slip stitch. (120 dc)

Round 11 (MC)

Chain 1. Work 1 single crochet in each stitch around. Join with a slip stitch to the first single crochet. (120 sc)

Round 12 (MC)

Chain 1. Work 1 reverse single crochet in each stitch around. To do this, insert your hook from front to back in the next stitch to the right (for right-handers), yarn over, pull up a loop, yarn over, and pull through both loops on the hook. Continue this way around the entire square. Join with a slip stitch. Fasten off and weave in all ends securely.

Finishing Touches

To give your square a professional, polished look, gently block it. You can do this by pinning it to a flat surface and lightly steaming it (being careful not to touch the yarn with the iron) or by spraying it with water and letting it dry flat. This will even out the edges and help the square lay perfectly flat.

Your Prism Cascade Reversible Granny Square is now complete! Both sides showcase the beautiful rainbow cascade with a textured, bumpy surface from the reverse single crochet border. Make multiple squares and join them together for a stunning blanket, or use a single square as a vibrant pillow cover. The possibilities are endless, and the result is always a colorful, handmade treasure.

Happy crocheting!