Blossom Bucket Hat Crochet Pattern (Flower Granny Square Hat!)

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If you love crochet projects that feel fresh, floral, and fun to wear—this Blossom Bucket Hat Crochet Pattern is going to be your new favorite! 🌸✨ It starts with adorable flower granny squares, then transforms into a classic bucket hat shape with a structured crown and a flared brim.

This pattern is made with cotton worsted weight yarn, which makes it breathable, comfortable, and perfect for spring and summer outings. And the best part? We’ll switch hook sizes for the brim so it holds its shape beautifully!

Blossom Bucket Hat Crochet Pattern - This adorable Blossom Bucket Hat Crochet Pattern starts with a simple flower granny square pattern! The the top of the hat and the brim are added.

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About the Blossom Bucket Hat

The Blossom Bucket Hat is a crochet bucket hat pattern built in three satisfying stages:

Flower granny squares are crocheted first
The squares are seamed into a circle to form the top
Yarn is rejoined to create the crown (decreasing rounds)
Yarn is rejoined again to make the flared brim with a smaller hook for extra structure

It’s the perfect mix of cute and practical—plus you can mix and match colors to make it totally your own.

Why You’ll Love This Bucket Hat Pattern

Here’s why this one is such a fun make:

🌸 Flower granny squares give it major handmade charm
🧶 Cotton yarn makes it lightweight and breathable
🪡 Constructed in sections, so it’s easy to customize
👒 Stiffer brim thanks to switching from an H hook to an E hook
🎨 Looks amazing in solids, scraps, or bold color combos

Yarn + Hook Details

YARN

This hat is made using cotton worsted weight yarn, which works up with great stitch definition and stays comfy even in warm weather.

Cotton is ideal for bucket hats because it:

holds shape well
feels cool and breathable
creates crisp, defined granny squares

HOOKS

You’ll use two hook sizes for the best results:

H / 5.0 mm hook – for the granny squares and main hat construction
E / 3.5 mm hook – for the brim (helps make it stiffer and more structured)

That hook switch is a simple trick that makes a huge difference in how wearable your finished hat is!

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FAQ

Cotton worsted weight yarn is a great choice because it’s breathable, holds its shape well, and has crisp stitch definition.

You can, but acrylic tends to be softer and may create a floppier brim. If you use acrylic, switching to a smaller hook for the brim becomes even more helpful.

Using the smaller E hook makes tighter stitches, which creates a firmer brim that keeps its shape better and feels more structured.

Yes! Just add extra rounds to the brim. If you want it to keep structure, continue using the E hook for those additional rounds.

I used the join-as-you-go method. Whip stitch and mattress stitch both create clean seams. If you prefer a decorative edge, a slip stitch join can look really cute too!

Ready to Crochet the Blossom Bucket Hat?

The Blossom Bucket Hat is the perfect mix of fun and functional—sweet flower granny squares on top, a shaped crown for a comfy fit, and a flared brim that’s made to hold its shape.

If you’re craving a wearable crochet project that feels fresh for spring and summer, this one is such a good make! 🌸👒

Blossom Bucket Hat Crochet Pattern

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Materials
3 colors worsted weight acrylic or cotton yarn (I used I Love this Cotton in Curry (25g), White (50g), & Warm Blush (100g))
H/5.0 mm hook
E/3.5 mm hook
yarn needle
scissors

Level
intermediate

Pattern notes & Stitches to Know
ch – chain
sl st – slip stitch
dc – double crochet
tr – treble crochet
trpc – treble popcorn (3 tr in same stitch, pull hook out from active loop, insert hook in first of the 3 tr, pull active loop through the first tr)
dc2tog – double crochet 2 together

· written in US terms

· ch 3 counts as dc in round 1 & round 3 of square (this is noted in the pattern)

· ch 2 does not count as dc

· To adjust the size, make the squares larger by adding a round of dc to each square.

· Approx Finished Size (Teen/Small Adult):
Circumference: 20”
Height: 9”

Pattern Support

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BLOSSOM BUCKET HAT CROCHET PATTERN

FLOWER GRANNY SQUARES (make 5)

FLOWER GRANNY SQUARE VIDEO TUTORIAL

Starting with flower center color, ch 4, join to first ch with sl st

Round 1: ch 3 (counts as dc), work 11 dc in middle of the circle, join to first ch 3 with sl st (12 dc)

Fasten off first color

Join petal color in between 2 dc

Round 2: ch 3, *trpc in space between 2 dc, ch 3* repeat from * to * in each space around, join to first trpc with sl st (12 trpc)

Fasten off second color

Join final color in a ch-3 space

If using the join-as-you-go method, remember to join in round 3

Round 3: ch 3 (counts as dc), (2 dc, ch 3, 3 dc) in same ch-3 space, 3 dc in next ch-3 space, 3 dc in next ch-3 space, *(3 dc, ch 3, 3 dc) in next ch-3 space, 3 dc in next ch-3 space, 3 dc in next ch-3 space* repeat from * to * around, join to first ch 3 with sl st (48 dc)

Fasten off. Weave in the ends.

To join, I used the join-as-you-go, but any joining method can be used.

JOIN AS YOU GO VIDEO TUTORIAL

Join squares to make a headband shape.

Weave in the ends.

HAT TOP

Join with main color to the right-most stitch of one of the squares.

Round 1: ch 2, *dc in 12 stitches across to the corner ch-space, dc2tog (working one stitch in each of the ch-spaces where the squares are joined)* repeat from * to * around, join to first dc with sl st (65 dc)

Round 2: ch 2, *dc in 11 stitches, dc2tog* repeat from * to * around, join to first dc with sl st (60 dc)

Round 3: ch 2, *dc in 3 stitches, dc2tog* repeat from * to * around, join to first dc with sl st (48 dc)

Round 4: ch 2, *dc in 2 stitches, dc2tog* repeat from * to * around, join to first dc with sl st (36 dc)

Round 5: ch 2, *dc in 1 stitches, dc2tog* repeat from * to * around, join to first dc with sl st (24 dc)

Round 6: ch 2, dc2tog around, join to first dc with sl st (12 dc)

Round 7: ch 2, dc in each stitch around, join to first dc with sl st (12 dc)

Leave a long end. Using a yarn needle, weave the long end in and out of the top loops of the last round, cinch the top closed. Weave in the ends.

HAT BRIM

Join with main color to the left-most stitch of one of the squares.

Round 1: ch 3, dc in same stitch, *dc in the next 2 ch-spaces, dc in each stitch across to the next corner ch-space* repeat from * to * around, join to first dc with sl st (70 dc)

change to 3.5 mm hook

Round 2: ch 2, *dc in 4 stitches, 2 dc in next* repeat from * to * around, join to first dc with sl st (84 dc)

Round 3: ch 2, dc in 2 stitches, 2 dc in next, *dc in 5 stitches, 2 dc in next* repeat from * to * around to last 3 stitches, dc in last 3 stitches, join to first dc with sl st (98 dc)

Round 4: ch 2, dc in each stitch around, join to first dc with sl st (98 dc)

Fasten off. Weave in the ends.

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Blossom Bucket Hat Crochet Pattern (Flower Granny Square Hat!)