Free Pattern Step-by-Step Crochet
Pet Accessories

Crochet Grass Hat Pattern for Cats and Small Dogs

Make an adorable crochet grass hat for cats and small dogs with this easy pattern using a 3.5mm hook. Customizable, quick, and fun to stitch!

Level BeginnerTime 2-3 HoursHook 3.5 mmYarn Worsted
Crochet Grass Hat Pattern for Cats and Small Dogs

Pattern highlights

  1. Start by working the Hat Crown in continuous rounds, shaping it gradually across all seven rounds.
  2. Use stitch markers to track your rounds and keep the crown's shape even and symmetrical.
  3. Once the crown is complete, set it aside and begin the Hat Body & Brim as a separate piece.
  4. Work the Hat Body & Brim through its six rounds, building the structure that will support the crown.
  5. Check your gauge and fit against your pet's head measurement before joining the two pieces.
  6. Align the Hat Crown and Hat Body & Brim carefully, then join them following the three assembly steps.
  7. Weave in all loose ends securely so nothing dangles where your curious pet can reach it.
  8. Try the finished hat on your pet briefly to confirm comfort and fit before any final styling.

About This Pattern

Worked in two main pieces — a shaped Hat Crown over 7 rounds and a Hat Body & Brim completed in 6 rounds — this pattern relies on foundational skills like working in continuous rounds, basic increases for shaping the crown, and simple assembly to join the pieces together. It's an ideal project for beginners ready to practice consistent tension and round-counting, while the compact size means you'll see results fast. Expect to spend roughly 2-3 hours from first stitch to finished hat, making it a satisfying weekend or evening project.

The finished hat sits snugly on a small pet's head, lightweight enough for comfortable wear and structured enough to hold its cute grassy shape. With a soft handmade feel and a size easily customized to fit your specific pet, this little hat makes a charming handmade gift for fellow pet lovers, a fun addition to a costume collection, or simply a sweet way to show off skills. It photographs beautifully and never fails to bring a smile.

Variations

One of the best parts of this pattern is how easy it is to make it your own! For a classic grassy look, stick with a vibrant green worsted weight yarn like Vanna's Choice in 'Grass' or Super Saver in 'Paddy Green' — the slightly textured finish reads beautifully as blades of grass. Want a seasonal twist? Try golden yellow and orange tones for an autumn wheat-field vibe, or soft pastel greens and pinks for a springtime flower-meadow feel. For a whimsical unicorn-inspired version, work the crown in white and add pastel rainbow strands mixed into your grass texture. Sizing is simple to adjust for different pets — if you're working for a larger dog breed, add 2-4 stitches to your foundation round in the Hat Crown before working your increase rounds, and repeat the same proportional increase in the Hat Body & Brim to keep the shaping consistent. For tiny kittens or toy breeds, subtract stitches in the same increments and work fewer overall rounds if the hat feels too deep. Yarn substitutions are easy too — any yarn that pairs well with a 3.5mm hook will work, so feel free to swap in cotton yarn like Lily Sugar'n Cream for a breathable summer version, or a soft acrylic blend like Bernat Softee Baby for extra snuggliness against sensitive pet skin. You could even go glittery with a sparkle-blend yarn for a festive costume piece. Themed variations are endless: try a 'flower hat' by adding small crochet flower appliqués to the brim, or a 'succulent hat' by using multiple shades of green for dimensional texture.

I adore this pattern because it proves that small projects can pack in big personality. Working the Hat Crown across its 7 rounds is so satisfying — you watch the shape emerge stitch by stitch, and before you know it you're moving on to the Hat Body & Brim for another quick 6 rounds. There's something wonderfully meditative about working continuous rounds on a project this size; it's the kind of make you can finish in one cozy sitting while catching up on your favorite show. I especially love how forgiving this pattern is for beginners — the stitch counts are manageable, the shaping is straightforward, and the assembly steps come together in just three simple stages. And the payoff? An impossibly cute hat that makes your pet look like they wandered straight out of a storybook meadow. Whether you're making this for your own cat, a friend's small dog, or to sell at a craft fair, this pattern delivers maximum charm for minimal time investment. It's become one of my go-to quick makes whenever I need a creative pick-me-up.

Common mistakes

Working the Hat Crown too tightly
Check your tension every few rounds by laying the piece flat on a table — it should curl gently, not pucker. If it's puckering, size up your hook slightly or consciously loosen your grip on the yarn.
Losing track of stitch counts
Use a stitch marker in the first stitch of every round and count your total stitches before moving to the next round — this catches errors immediately instead of several rounds later.
Skipping a gauge check before starting
Crochet a quick swatch with your chosen yarn and 3.5mm hook, then measure your pet's head circumference and compare it to your swatch's stitch-to-inch ratio before committing to the full pattern.
Joining the Hat Body & Brim to the Hat
Pin or clip the two pieces together at four evenly spaced points (like clock positions 12, 3, 6, and 9) before stitching them together, then work between the pins to keep everything aligned.
Using a yarn weight that doesn't pair
Stick to worsted weight yarn as recommended, and if you're unsure, do a quick test swatch — the fabric should feel structured but still pliable, not cardboard-stiff or limp.
Rushing through the 3 assembly steps
Pause after assembly to gently place the hat on your pet (or a similarly sized stuffed toy) before weaving in ends, so you can make quick adjustments while yarn tails are still accessible.
Ruby

The story behind Stitch Obsession, and Ruby, who writes and tests every pattern on the shelf.

Beginner

Materials

  • 3.5mm crochet hook
  • Yarn (fit for a 3.5mm hook)

Hat Crown

Start with a magic ring

  1. Round 1sc 8 in ring, sl to close (8)
  2. Round 2ch 1, sc inc x8, sl to close (16)
  3. Round 3ch 1, (sc, sc inc) x8, sl to close (24)
  4. Round 4ch 1, (sc, sc inc, sc) x8, sl to close (32)
  5. Round 5ch 1, (3 sc, sc inc) x8, sl to close (40)
  6. Round 6ch 1, 5 sc, 2 hdc, 6 dc, 2 hdc, 10 sc, 2 hdc, 6 dc, 2 hdc, 5 sc, sl to close (40)
  7. Rounds 7-11ch 1, 40 sc, sl to close (40)

Hat Body & Brim

  1. Round 12ch 5, 5 sc, ch 20, skip 10, 10 sc, ch 20, skip 10, 5 sc, sl to close (60)
  2. Round 13ch 4, (14 sc, sc inc) x4, sl to close (64)
  3. Round 14ch 3, (7 dc, dc inc) x8, sl to close (72)
  4. Round 15ch 8, (4 sc, sc inc, 4 sc) x8, sl to close (80)
  5. Round 16ch 3, (9 dc, dc inc) x8, sl to close (88)
  6. Round 17ch 1, 88 sc, sl to close (88)

Assembly

  1. Step 1Hide yarn inside hat
  2. Step 2Create laces by chaining 40 on each side and tie under chin
  3. Step 3Hide yarn and secure with lighter

Important notes

💡 Always use a 3.5mm hook as specified — sizing up or down will change your gauge and could throw off the fit for your specific pet.

💡 Place a stitch marker at the start of each round in both the Hat Crown and Hat Body & Brim sections so you never lose track of where a round begins.

💡 Measure your pet's head circumference before starting so you can compare it against your swatch and adjust stitch counts proportionally if needed.

💡 When joining the Hat Crown to the Hat Body & Brim, work slowly and check alignment every few stitches to avoid a twisted seam.

💡 Weave in all yarn ends securely and trim them short, since pets are curious and loose tails can become chew toys.

💡 Test the finished hat on your pet for just a few minutes at first to ensure it's comfortable and doesn't slip before styling a full photoshoot.

More photos

Crochet Grass Hat Pattern for Cats and Small Dogs — photo 2
Crochet Grass Hat Pattern for Cats and Small Dogs — photo 3
Crochet Grass Hat Pattern for Cats and Small Dogs — photo 4

Original pattern: https://crocheteverything.com/crochet-grass-hat-tutorial-for-cats-and-small-dogs/

FAQ

What size pet is this grass hat designed to fit?

This pattern is designed for cats and small dog breeds with similarly sized heads. You can adjust the stitch count proportionally in both the Hat Crown and Hat Body & Brim sections to size it up or down for your specific pet.

What yarn weight works best for this pattern?

Any yarn that pairs well with a 3.5mm hook will work beautifully, which typically means worsted weight yarn. Cotton yarns offer breathability for warmer climates, while soft acrylics add extra coziness.

How long does this project take to complete?

Most crocheters finish this hat in about 2-3 hours since it only involves 7 rounds for the Hat Crown and 6 rounds for the Hat Body & Brim, plus 3 quick assembly steps. It's a great project to complete in a single sitting.

Is this pattern suitable for complete beginners?

Yes! The straightforward rounds and simple assembly make this an excellent project for beginners who are comfortable with basic stitches and counting rounds. The small size also means mistakes are quick to fix.

Will my pet actually tolerate wearing this hat?

Every pet is different, so it's best to introduce the hat gradually with short wearing sessions and positive reinforcement like treats. Since the hat is lightweight and made from soft worsted weight yarn, most pets adjust quickly once they get used to the feel.

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