Sun Room Ripple Afghan

Bring a splash of cheerful spring sunshine indoors with this gorgeous textured blanket, combining classic granny ripples with sweet floral-like accent squares.

Have you ever looked at a drafty, plain room and wished you could instantly inject a burst of cozy warmth? I certainly have.

Traditional blankets can sometimes feel a bit monotonous to work on. This is especially true when you are staring down endless rows of the exact same stitch. It is easy to lose your stitchy spark halfway through a massive project.

That is where the magic of combining techniques comes in. By blending a rhythmic ripple with playful, textured motifs, you get the best of both worlds. You enjoy a soothing main project alongside quick, satisfying little wins.

Today, we are diving into a project that does exactly that. This design pairs a classic granny-style wave with charming puff-stitch squares and playful tassels.

Do not let the waves intimidate you. Once you find the rhythm of the peaks and valleys, you will fly through the stripes.

I chose a palette of soft cream, dusty rose, cool blue, and gentle gray. It reminds me of a bright sunroom filled with fresh spring blooms. I cannot wait to see what beautiful color combinations you choose for your own home.

Why You'll Love This Pattern

• Engaging Variety: The mix of ripple rows and individual motifs keeps your hands happy and prevents crochet boredom.
• Stash-Busting Friendly: It uses four distinct colors, making it a wonderful way to clear out your worsted-weight yarn basket.
• Easy Portability: You can easily take the small granny square portion of the project with you on the go.

Materials You'll Need

• Yarn: Worsted weight (medium size 4) yarn. The sample features Loops & Threads Impeccable in Aran and Arbor Rose, alongside Bernat Super Value in Cool Blue and Soft Grey.
• Hook: Size I (5.5 mm) crochet hook, or whichever size helps you meet gauge.
• Notions: A sturdy yarn needle for weaving in those pesky ends, and a small piece of cardboard measuring 4 1/4 inches by 2 inches to shape your tassels.
• Yardage: Approximately 410 yards of each of the four colors (1,640 yards total).

Gauge & Sizing

• Gauge: Each ripple peak measures 4 1/4 inches across.
• Sizes included: One size (easily adjustable).
• Finished measurements: The main blanket measures 34 inches wide by 37 inches long before you sew on the decorative bottom squares.

Abbreviations & Stitch Instructions

• ch: Chain
• sc: Single crochet
• hdc: Half double crochet
• dc: Double crochet
• tr: Treble (triple) crochet
• sl st: Slip stitch
• puff st: Puff Stitch. To work this stitch: [Yarn over, insert your hook into the specified stitch or space, pull up a tall loop to the height of a double crochet] three times in the same space. Yarn over and pull through all 7 loops currently on your hook, then chain 1 to lock the puff stitch closed.

Pattern Notes

• Skill Level: Easy / Advanced Beginner.
• This pattern is written in US crochet terms.
• The item is worked flat for the main body, while the accent squares are worked in the round.
• Tension Tip: Keep your chains relaxed when starting. If your initial chain is too tight, your bottom edge will curl like a banana!
• Customization Tip: Want a wider blanket? Simply add chains in multiples of 36. Every extra set of 36 chains will add roughly 8 inches to your width.

Step-by-Step Instructions

Crocheting the Ripple Body

Let's start with our cream yarn. Chain 144.

Row 1: Working directly into the bumps on the back of your chain, place 3 dc into the 5th chain from your hook. *[Skip the next 2 chains, work 3 dc in the next chain, skip 2 chains, work (3 dc, ch 3, 3 dc) all in the next chain to create your peak. Skip 2 chains, work 3 dc in the next chain, skip 2 chains, work 3 dc in the next chain, skip 5 chains, work 3 dc in the next chain.] Repeat the sequence from * across the row until you have just 1 chain remaining. Work 1 dc in that final chain, then turn your work. You should have 8 distinct peaks.

Row 2 (Repeat Row): Ch 4. Work 3 dc into the space between the first two 3-dc clusters. Work 3 dc into the next space. In the ch-3 space at the peak, work (3 dc, ch 3, 3 dc). *[Work 3 dc into each of the next 2 spaces. Skip the large gap that forms the valley between your wave clusters, and work 3 dc into the next space. Work 3 dc into the following space. In the next ch-3 peak space, work (3 dc, ch 3, 3 dc).] Repeat this sequence from * until you reach the final peak's ch-3 space. Work 3 dc into each of the next 2 spaces. Skip the last 3-dc cluster and the next chain, then work 1 dc into the top of your turning chain. Turn. (8 peaks)

Color Changes: Continue repeating Row 2, changing your yarn color every 3 rows. To keep your edges looking neat, I highly recommend using a Seamless Crochet Color Changes technique. When completing the final double crochet of a row, stop when you have 2 loops left on your hook. Draw the new color through those loops to finish the stitch, then make your turning chain with the new color.

Work a total of 17 colorful stripes. Fasten off and make sure you are Weaving Crochet Tails securely as you go to save your sanity later!

Crafting the Accent Granny Squares (Make 15)

These sweet squares measure 3 inches on each side.

Round 1: Using your first color, ch 4 and join with a sl st to the first chain to form a ring. Ch 3 (this counts as your first dc and a ch-1 space). Work [1 dc, ch 1] 11 times into the center of the ring. Join with a sl st to the top of your beginning ch-2 while pulling up your second color. (12 dc and 12 ch-1 spaces).

Round 2: Sl st into the next ch-1 space, pulling the loop up to the height of a double crochet. [Yarn over, insert hook in the same space and pull up a loop] twice. Yarn over and pull through all loops on your hook, then ch 2. Work a puff st in the next ch-1 space, ch 1, then work 1 tr in the next dc, ch 1. *[Work (1 puff st in the next ch-1 space, ch 1) three times, then work 1 tr in the next dc, ch 1.] Repeat from * two more times. Work 1 final puff st in the last ch-1 space, then join with a sl st to the top of your very first puff stitch, pulling up your gray yarn.

Round 3: Ch 1 with your gray yarn. Work 1 hdc in the same stitch as your chain, then work 1 hdc in the next ch-1 space. Continue around, working 2 hdc in each chain space and 3 hdc on top of each treble crochet. Do not slip stitch at the end of this round.

Finishing the Square: Snip your yarn, leaving a tail. Pull the tail straight out of the stitch. Thread your yarn needle and use the Crochet Invisible Join Method to create a seamless "fake stitch" over the first stitch of the round. Weave in the remaining tail.

Assembling Your Afghan

We will use our cream yarn to attach the squares.

Lay your main blanket and one granny square flat with their wrong sides facing up.

Nestle the square into one of the valleys along the bottom edge of the blanket.

Using your yarn needle, whip stitch the pieces together along two sides of the square. To keep the seam invisible on the front, insert your needle through both loops of the blanket stitches but only the back loop of the granny square stitches. Repeat for all 15 squares.

Making and Attaching the Tassels (Make 15)

Grab your 4 1/4" x 2" cardboard piece. Wrap your blue yarn around the length of the cardboard 13 times.

Slide an 18-inch strand of yarn under the wrapped loops at the top edge and tie a secure double knot.

Cut through the loops at the opposite end of the cardboard.

Wrap a 12-inch strand of yarn around the bundle, slightly below your top knot, to create the tassel head. Tie securely.

Trim the bottom edges so they are perfectly even. Use the long top strands to sew a tassel to the bottom corner of each granny square. Pull any remaining tails inside the tassel body and trim them to blend in.

Easy Variations & Custom Ideas

• The Classic Stripe: Skip the granny squares entirely and finish the blanket with a simple ribbed border. If you love classic stripes, check out the Mock Granny Stripe Blanket for more color inspiration.
• Monochrome Magic: Work the entire blanket in a single solid color to emphasize the beautiful ripple texture.
• Super-Sized Throw: Double the starting chain to 288 to create a generous, cozy throw perfect for sharing.
• Chunky Weight Swap: Use a bulky weight yarn and an 8.0mm hook for a super plush, fast-growing version.
• Pom-Pom Edge: Swap out the tassels for fluffy handmade pom-poms for a playful, modern look.
• Colour ideas: Try a coastal theme with sandy beige, soft teal, navy, and white. Or go autumnal with mustard, terracotta, olive, and cream.
• Yarn substitutions: Any standard worsted weight yarn will work beautifully. Red Heart Super Saver, Caron Simply Soft, or Stylecraft Special DK (double-stranded) make excellent alternatives.

Common Troubleshooting & Fixes

• Problem: My blanket edges are curling inward at the bottom.
  Fix: Your starting chain was likely too tight. Try restarting with a hook one size larger just for the chain row, then switch back to your 5.5mm hook for the stitches.
• Problem: I am losing stitches and my peaks are shifting out of line.
  Fix: It is incredibly easy to miss the "hidden" chain that gets squished at the base of your peak stitches. Make sure you count your stitches carefully and do not skip this tiny chain.
• Problem: My granny squares look warped or wavy.
  Fix: Check your puff stitch height. Ensure you are pulling your loops up tall to the height of a double crochet so the square stays flat.
• Problem: The color changes look messy at the edges.
  Fix: Always introduce your new color on the very last pull-through of the final stitch of the row, rather than tying it on afterward.

Care Instructions

To keep your beautiful afghan looking fresh and cozy, I highly recommend hand washing it in cool water with a gentle wool wash. Lay it flat on clean towels to dry. If you used 100% acrylic yarn, you can machine wash it on a delicate cycle inside a large lingerie bag to protect the tassels, then tumble dry on low heat.

Final Thoughts

There is nothing quite like wrapping yourself in a blanket you made with your own two hands. This ripple afghan is a true labor of love, combining rhythmic stitches with gorgeous textures that will brighten up any corner of your home. Take your time, enjoy the process, and don't forget to share your beautiful finished blankets with me—I absolutely adore seeing your color choices!