Sunflower Simple Crochet Throw Blanket Pattern | Granny Square Sunflower (PDF Download)
There is something deeply satisfying about wrapping yourself in a blanket you made with your own two hands. When that blanket also happens to be bursting with cheerful sunflower motifs, it becomes something truly special — a piece of craft that carries warmth in every sense of the word. This sunflower simple crochet throw blanket pattern is one of those projects that manages to look impressively detailed while remaining completely approachable, even for crocheters who are still building their confidence. Whether you are a seasoned maker looking for a joyful weekend project or someone who has recently discovered the meditative pleasure of crochet, this granny square sunflower throw is going to become one of your favorites.
In this post, I am walking you through everything you need to know about this pattern — from the supplies you will need and the stitches involved, to tips for assembly, finishing, and personalizing the design to suit your own style. A downloadable PDF version of the full pattern is also available so you can work from it offline, print it out, and take it with you wherever you like to craft.
Why Sunflowers?
Sunflowers have a way of making people smile. Their bold golden petals and rich dark centers evoke long summer days, country gardens, and that particular kind of happiness that comes from simple, beautiful things. In crochet, the sunflower motif has become a beloved classic precisely because it translates so naturally into yarn. The circular structure of a granny square lends itself perfectly to the sunflower’s radiating petal shape, and the color contrast between the golden yellow petals and the dark brown center creates a striking visual effect that never goes out of style.
A throw blanket made from sunflower granny squares brings that energy into your home. Draped over a sofa, folded at the end of a bed, or spread out for a picnic on a sunny afternoon, this blanket carries a warmth that goes well beyond its practical function. It is the kind of piece that draws comments and compliments, that friends pick up and admire, and that somehow always seems to land in exactly the right spot in a room.
Skill Level and Who This Pattern Is For
This pattern is designed to be beginner-friendly with just a touch of intermediate technique. If you know how to chain, single crochet, double crochet, and slip stitch, you have everything you need to complete each granny square. The magic of this project lies in the repetition — once you have made two or three squares, the rhythm becomes natural and meditative, and you will find yourself moving through them quickly.
That said, even experienced crocheters will enjoy this pattern. There is real pleasure in working a project that does not demand constant attention to a complex stitch count, one where you can settle into the work, chat with someone, watch a film, or simply enjoy the quiet. This throw is that kind of project.
Materials You Will Need
Before you sit down to cast on, gather your materials. Here is what you will need to complete a standard throw-sized blanket of approximately 48 by 60 inches, which is made up of 48 granny squares arranged in a grid of six by eight.
Yarn: You will need a worsted weight (size 4) yarn in three colors. The main color is golden yellow for the petals, a deep brown or chocolate for the center of each flower, and a background color for the corner sections of the granny square — white, cream, soft green, or even a deep forest green all work beautifully. For a throw this size, plan on approximately 1,200 yards of the yellow, 400 yards of the brown, and 1,000 yards of your background color.
Hook: A size 5.0mm or 5.5mm crochet hook works well with worsted weight yarn. Use whatever feels comfortable in your hand and produces a fabric that is neither too stiff nor too loose.
Notions: You will need a yarn needle for weaving in ends and joining your squares, scissors, stitch markers if you like to use them, and a measuring tape.
Optional: Blocking mats and pins if you choose to wet block your finished squares for a polished result.
Understanding the Granny Square Sunflower Construction
The sunflower granny square in this pattern is worked in rounds from the center outward. Each square is approximately 7 to 8 inches when made with worsted weight yarn and a 5.5mm hook, though your gauge will determine the final size.
Round 1 — The Center: Start with your brown yarn. Make a magic ring, or chain 4 and join with a slip stitch to form a ring. Work 8 single crochet stitches into the ring, then join with a slip stitch to the first single crochet. This creates the dark center of your sunflower.
Round 2 — Building the Center: Chain 1. Work 2 single crochet into each stitch around for a total of 16 single crochet. Join and fasten off the brown yarn. This round expands the center and gives it a slightly dimensional quality.
Round 3 — The Petals Begin: Join your yellow yarn. This is where the petal shape starts to form. Chain 3 (counts as first double crochet), work 2 double crochet into the same stitch, chain 2, then work 3 double crochet into the next stitch. Continue working groups of 3 double crochet separated by chain-2 spaces around the ring, creating 8 petal clusters in total. Join with a slip stitch to the top of the beginning chain-3.
Round 4 — Completing the Petals: Chain 1. Work single crochet and additional double crochet stitches into the chain-2 spaces and between the petal clusters to fill out each petal shape. By the end of this round, you should have a clearly defined sunflower with 8 rounded petals. Fasten off yellow.
Round 5 — Granny Square Corners: Join your background color. This round transforms the circular sunflower into a square by building corner spaces and straight edges. Work a standard granny square round — working groups of double crochet with chain-2 corner spaces at four evenly spaced points around the circle. This rounds out the sunflower and frames it within a clean square border.
Round 6 — The Border: With your background color, work one final round of double crochet groups along each side and chain-3 spaces at each corner. This creates a neat, stable edge and makes the joining process much easier. Fasten off and weave in your ends.
The full written pattern with stitch counts, detailed row-by-row instructions, and a stitch diagram is included in the PDF download below.
Gauge and Sizing
Gauge matters in a blanket project, even though it is a forgiving one. If your squares come out significantly larger or smaller than the target 7 to 8 inches, your finished blanket will be a different size than intended. Check your gauge after your first square — if it is too small, try a larger hook; if it is too large, try a smaller hook.
For a lap blanket, a 4 by 5 grid of 20 squares works wonderfully. For a full throw, the 6 by 8 grid of 48 squares is ideal. For a larger afghan or baby blanket, simply adjust the number of squares. One of the great advantages of granny square construction is this total flexibility — you can make the project exactly as large or small as you need.
Color Combinations and Customization
The classic sunflower palette is golden yellow and dark brown on a cream or white background, but this pattern is genuinely versatile and invites experimentation.
For a bohemian, earthy look, try using a burnt orange or terracotta for the petals, a deep espresso brown for the center, and a warm oatmeal or natural cotton for the background. The result feels vintage and textural.
For a fresh, modern feel, use a bright lemon yellow against a crisp white background with black centers. The high contrast gives the blanket a graphic, almost contemporary quality.
For a softer, more romantic aesthetic, muted dusty rose petals with a taupe center on a sage green background creates something that feels like a garden in late summer — gentle and lovely.
You can also introduce more colors into the background sections of your granny squares. Rather than using a single background color throughout, try alternating two or three colors — perhaps a light green for some squares and a creamy white for others. This creates a patchwork quality that adds even more visual interest to the finished blanket.
Do not be afraid to look at your yarn stash and see what you have on hand. Many of the most beautiful finished versions of this pattern have been made by crocheters who improvised with what they already owned, and the results are often more interesting for it.
Tips for Working the Pattern
A few small practices will make this project more enjoyable and give you a more polished result.
Work in batches. Rather than completing each square start to finish before moving on, consider working all of your Round 1 centers first, then all of your Round 2, and so on. This assembly-line approach is efficient and also ensures your tension stays consistent across the project, since you will be making the same round over and over in a single session.
Weave in ends as you go. Every color change creates tails that need to be secured. If you let these pile up until the end, weaving in dozens of ends becomes a chore. Spend two minutes after each square securing those tails, and the finishing process will feel much lighter.
Count your petals. It is easy to lose track on the petal round, especially as you pick the project back up after a break. Use a stitch marker at the beginning of the round and count your petal clusters before joining. Catching a mistake early is always easier than frogging later.
Block your squares. If you are working with a yarn that has some blocking potential — many wool blends and cotton yarns respond beautifully — take the time to wet block or steam block each square before joining. This step evens out your stitches, opens up the petal shapes, and ensures that all your squares are the same size, which makes joining much neater.
Joining the Squares
There are several methods for joining granny squares, and the one you choose will affect the look and feel of your finished blanket.
The flat slip stitch join, worked with your squares held wrong sides together, creates a subtle raised ridge on the right side of the work. It is fast and tidy and works well with the sunflower design.
The flat single crochet join is similar but slightly more substantial. The join line is visible and can become a decorative element in its own right, especially if you use a contrasting color for the joining.
The needle join, also called the invisible join or mattress stitch, creates a seam that is nearly invisible from the front of the work. It requires more time and careful needle work, but the result is extremely clean and professional-looking.
For most crocheters working this pattern, the flat slip stitch or single crochet join in the background color is the recommended approach — it is efficient, looks neat, and keeps the sunflower motifs as the clear stars of the show.
Adding a Border
Once your squares are all joined together, a border unifies the blanket and gives it a finished quality. A simple two-round border works beautifully here.
For Round 1 of the border, join your background color at any corner. Work single crochet evenly around the entire blanket, placing 3 single crochet into each corner stitch to keep the corners flat. Join with a slip stitch.
For Round 2, work a round of reverse single crochet — also called crab stitch — all the way around. This creates a textured, rope-like edge that looks intentional and polished. Alternatively, a simple round of slip stitch creates a cleaner, less textured border that suits a more minimal aesthetic.
If you want something a little more elaborate, a shell stitch border or a picot edge adds a decorative flourish that complements the floral theme beautifully.
Caring for Your Finished Blanket
The care instructions for your blanket will depend on the yarn you used. If you worked with a washable acrylic or acrylic blend, machine washing on a gentle cycle in cold water is usually fine. Lay flat to dry or tumble dry on low.
If you used a wool or wool blend, hand washing in cool water with a gentle soap is the safest option. Press — do not wring — the water out gently, then roll the blanket in a clean towel to remove excess moisture and lay it flat to dry.
Whatever yarn you used, avoid hanging the blanket to dry, since the weight of wet yarn can stretch the fabric and distort the shape of your squares.
The PDF Download
The complete written pattern, including stitch counts for every round, a stitch diagram, sizing chart, and color guidance, is available as a PDF download. The file is formatted for easy reading and printing — you can print it at home on standard letter-size paper or save it to your tablet or phone to work from digitally.
The PDF also includes a yarn yardage chart for different blanket sizes, from a small lap size all the way up to a generous king-size throw, so you can plan your yarn purchases with confidence before you begin.
A Few Final Thoughts
There is a reason the sunflower granny square has endured as one of the most beloved motifs in crochet. It is joyful without being fussy, detailed without being difficult, and versatile enough to suit almost any home and any crocheter. This throw blanket pattern takes that enduring charm and builds it into something you can actually use — a generous, cozy, genuinely beautiful blanket that will last for years.
Whether you are making this for yourself, as a gift for someone you love, or simply because you want a reason to work with that gorgeous golden yarn sitting in your stash, this project will reward the time you put into it many times over. Crochet has a way of turning hours into something tangible, something you can hold and use and share, and this sunflower throw is a particularly lovely example of that alchemy.
Grab the PDF, gather your yarn, and start with that very first magic ring. The sunflowers are waiting.
