Bold Buttercup Flower Crochet Square Pattern
The Bold Buttercup Flower Crochet Square Pattern is a statement flower large granny square pattern designed for crocheters who love texture and bold floral detail. Inspired by the layered petals of a buttercup bloom, this square features sculpted stitches, raised post-stitch texture, and a clean square frame that blocks beautifully.
Worked in the round from the center outward, this floral crochet square includes both written instructions and a stitch diagram, making it easy to follow whether you prefer charts or step-by-step text. Its generous size makes it perfect for blankets, cushions, and standout crochet projects where a single square can shine
About This Pattern
This flower large granny square pattern creates a bold, textured floral motif with strong stitch definition and a structured square frame. Layered petals, raised post stitches, and clean corners make this square ideal for projects where texture and shape matter.
The pattern is worked in the round and includes written instructions and a stitch diagram, allowing you to follow along in the format you prefer. Its larger finished size makes it especially well suited for blankets, cushions, and statement crochet designs.
This pattern is available across all Stouto Crochet store fronts, including printable PDF formats.
Skill Level : Intermediate
Materials, Yardage Breakdown & Fiber Selection
Engineered for stash-busting joy or a disciplined heirloom palette. Every yardage estimate includes our recommended 10% tension buffer so you never run out on round 6 of the final corner.
Material Notes
All you need to know about materials required for this project.
Yarn
- Soft cotton yarn
- 50 g = 119 m (130 yds)
- Smooth, plied yarn recommended for best stitch definition
Interactive Yarn & Sizing Calculator
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Pattern Notes
- This flower large granny square pattern is worked in the round from the center outward.
- Rounds are joined with a slip stitch unless otherwise stated.
- The beginning chain counts as the first stitch where noted in the instructions.
- Use stitch markers to mark the start of rounds if needed.
- Post stitches are worked around the indicated stitches from previous rounds, not into the top two loops.
- Chain spaces are used as placement guides for petal shaping and corner formation.
- Maintain even tension throughout to ensure the square remains flat.
- The square may appear slightly ruffled before blocking; this is normal.
- Blocking is recommended to achieve sharp corners and defined texture.
- Read through the full round instructions before beginning each new round.
Construction Guide
The Bold Buttercup Flower Crochet Square is worked in the round from the center outward, beginning with a circular floral motif and transitioning into a structured square.
Early rounds focus on building layered petals and surface texture using clusters, shells, and front and back post stitches. These rounds create depth and definition in the flower center while maintaining an even fabric.
Mid rounds introduce textured framing stitches that stabilize the shape and prepare the square for corner placement. Corners are formed gradually using chain spaces and clustered stitches to ensure sharp, well-defined angles.
The final rounds square off the motif with a clean border worked in the back loop only, resulting in crisp edges and consistent stitch alignment that blocks flat and joins easily with other squares.
Resizing & Border Guide

Resizing Guide (Yarn & Hook Adjustments)
You can easily adjust the size of the Bold Buttercup Flower Crochet Square by changing your yarn weight and hook size. The stitch pattern remains the same.
To Make a Smaller Square
- Use fingering or light (DK) weight yarn
- Use a 2.5–3.0 mm hook
- Results in a more compact square with finer texture
- Ideal for lightweight blankets, garments, or accessories
To Make a Larger Square
- Use medium (worsted) or bulky weight yarn
- Use a 4.0–5.5 mm hook, or size appropriate for your yarn
- Creates a larger, bolder square with increased stitch definition
- Great for statement blankets, cushions, or home décor
Hook Size Tips
- If your square curls or feels stiff, go up one hook size
- If your square feels loose or floppy, go down one hook size
- Always choose a hook that allows the post stitches to sit comfortably without pulling
Finished Size Variations (Approximate)
- Light yarn + small hook: 15–17 cm (6–6.5”)
- Medium yarn + 3.0 mm hook (original): 20 cm (8”)
- Worsted yarn + larger hook: 23–26 cm (9–10”)
Important Notes
- Stitch counts remain the same regardless of yarn or hook size
- Gauge is not critical, but consistent tension is key
- Blocking will improve shape and corner definition at any size
Pattern Instructions
Follow the written instructions below to create the Bold Buttercup Flower Crochet Square. The square is worked in joined rounds from the center outward. Each round builds on the previous one to create layered petals, textured framing, and a structured square shape.
Unless otherwise stated, join each round with a slip stitch and begin the next round in the same stitch. Stitch counts are provided at the end of each round where applicable.
Pattern Diagram
Share, Save or Pin this free stitch diagram.
Quick Stitch Guide
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US Stitch Terminology : Abbreviations
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Back Post Double Crochet - bpdc
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Back Post Half Double Crochet - bphdc
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Chain Space - ch-sp
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Cluster - cl
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Double Crochet - dc
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Front Post Double Crochet - fpdc
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Front Post Half Double Crochet - fphdc
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Half Double Crochet - hdc
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Magic Ring - MR
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Repeat from * - rep from *
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Single Crochet - sc
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Stitches - sts
All stitch instructions are available in both US Crochet Terminology and UK Crochet Terminology, making it easy to follow along using the terms you are most familiar with.
If you are new to any of the stitches used in this pattern, we recommend reviewing the relevant stitch guide before starting. Each guide includes step-by-step instructions, helpful tips, and stitch terminology conversions where applicable.
Take your time, practice any unfamiliar stitches, and most importantly—enjoy the process of creating your blanket one row at a time.
UK : bptr - back post treble crochet
AFR : ablb / aslb - Agterste been Langbeentjie / Agter stam Langbeentjie / afterpaal-dubblehekel
1. Yarn over, insert hook back→front→back around post.
2. Yarn over, pull up loop (3 loops).
3. Yarn over, pull through first 2, yarn over, pull through last 2.
Step by Step
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Round 1 – Center
Start with a magic ring,
ch3 counts as the first dc st,
11 dc into a magic ring.
Join with sl st.

Round 2
Ch 3 (counts as dc + ch1 ), dc in same st,
*1dc, ch1, 1dc in next dc, ch 1*
repeat * * around.
Join with slip st at the top of starting ch2.
Fasten off and work in tail.

(24 dc, 12 ch-1 spaces)
⚠️ This pattern is for personal use only. Please do not copy or redistribute.
Pattern Update Notice
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Pattern Copyright & Usage.
This crochet pattern and all associated content are the original work of Stouto Crochet.
- ✔️ Personal use allowed
- ✔️ Sell finished handmade items (small-scale)
- ❌ Do not copy, rewrite, or redistribute
- ❌ Do not share or resell PDF patterns
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Frequently Asked Questions
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Is the Bold Buttercup Flower Crochet Square Pattern free?
Yes, this pattern is available for free on the blog and as a printable PDF through Stouto Crochet store fronts.
What yarn works best for this crochet square?
Cotton yarn provides the best stitch definition, though cotton blends also work well.
Is this crochet square beginner friendly?
This pattern is best suited to intermediate crocheters or confident beginners familiar with post stitches.
What size is the finished square?
Approximately 20 cm × 20 cm (8” × 8”) after blocking.
Can this square be used in a blanket?
Yes, this square works beautifully as part of a floral or statement crochet blanket.
Is this a large granny square pattern?
Yes. The Bold Buttercup Flower Crochet Square is considered a large granny square pattern, measuring approximately 20 × 20 cm (8 × 8 inches) after blocking.


