The Ivy Blouse in Petite Knit: A Complete Guide to This Beloved Sewing Pattern

If you’ve spent any time in the indie sewing community over the past few years, you’ve almost certainly come across the Ivy Blouse by Petite Knit. This beautifully designed pattern has earned a devoted following among sewists of all skill levels, and once you understand what makes it so special, it’s easy to see why. Whether you’re a seasoned maker looking for your next project or a beginner searching for a wearable first garment, the Ivy Blouse deserves a prominent place on your sewing list.

In this guide, we’re going to cover everything you need to know about the Ivy Blouse pattern — from its design details and construction to fabric choices, sizing tips, and the small adjustments that can make your finished blouse look truly professional. By the time you finish reading, you’ll have a thorough understanding of why this pattern has become a staple in so many handmade wardrobes.

What Is the Ivy Blouse by Petite Knit?

Petite Knit is a Danish pattern design company known for producing clean, Scandinavian-inspired garments with a focus on wearability and thoughtful construction. Their patterns have a reputation for being beautifully photographed, well-written, and graded across a generous range of sizes. The Ivy Blouse is one of their standout designs in the sewing category, blending a relaxed silhouette with elegant details that elevate it well beyond a basic top.

At its core, the Ivy Blouse is a loose-fitting blouse with a romantic, slightly blousy shape that pairs effortlessly with everything from high-waisted trousers to denim jeans. It features a classic collar, a button placket, and long sleeves with a cuff — all the hallmarks of a timeless shirt, but rendered in a way that feels modern, soft, and entirely wearable for everyday life.

What sets it apart from many other blouse patterns on the market is the quality of its design decisions. Nothing about the Ivy feels fussy or overcomplicated, yet the finished garment looks considered and polished. The collar, in particular, is a beautifully balanced shape that frames the face without being stiff or overly structured. The overall silhouette is relaxed but not shapeless, making it flattering across a wide variety of body types.

Who Is This Pattern For?

One of the reasons the Ivy Blouse has gathered such a wide fanbase is that it genuinely works for a broad range of sewists. Beginners will find the instructions clear and the construction logical. Intermediate sewists will appreciate the opportunity to practice techniques like collar attachment and buttonhole placement without being overwhelmed by complexity. And experienced makers will enjoy customizing the pattern to suit their personal style.

In terms of skill level, most people classify this as a beginner-to-intermediate pattern. If you’ve sewn a few garments before and feel comfortable with basic techniques like stay-stitching, attaching a collar, and sewing buttonholes, you should feel confident taking on the Ivy Blouse. If this is your very first sewing project, you might want to make a simple skirt or pillowcase first, but the Ivy isn’t far beyond reach for an ambitious complete beginner.

Fabric Choices: What Works Best for the Ivy Blouse

Choosing the right fabric is one of the most important decisions you’ll make when sewing the Ivy Blouse, and it’s also one of the most enjoyable parts of the process. The pattern recommends lightweight to medium-weight woven fabrics, and that category is delightfully broad.

Linen is probably the most popular choice among Ivy Blouse makers, and it’s easy to understand why. Linen has a natural drape and texture that suits the relaxed, effortless silhouette of this blouse perfectly. A lightweight linen will give the blouse an airy, summery feel, while a slightly heavier linen will create something that works beautifully through autumn as well. Linen also presses wonderfully, which matters when you’re working on those collar and cuff details.

Cotton voile and lawn are another excellent option for those who want something even lighter and more delicate. These fabrics create a blouse with a slightly more dressed-up, ethereal feel, particularly beautiful in prints. If you’re drawn to floral or botanical prints, cotton lawn is your fabric.

Deadstock or vintage cotton shirting is a wonderful sustainable option that also happens to be ideal in terms of weight and drape. Many sewists seek out deadstock fabrics specifically for projects like this, and the fine weave of shirting cotton makes it easy to work with for the collar and button band.

Silk or silk alternatives like Tencel or cupro will give the Ivy Blouse a slightly more luxurious, polished look. These fabrics drape beautifully and feel incredible against the skin. They do require a little more care during cutting and sewing, but the results are stunning.

What to avoid: Very stiff fabrics like canvas or heavy interfaced cotton won’t give you the relaxed silhouette that makes this blouse so appealing. Similarly, fabrics with a lot of stretch aren’t suitable, as the Ivy Blouse is designed for woven fabrics without significant give.

Sizing and Fit: Getting It Right

Petite Knit grades their patterns across a wide range of sizes, and the Ivy Blouse is no exception. Before cutting into your fabric, take some time to measure yourself carefully and compare your measurements to the size chart provided in the pattern. Pay attention to both your bust and your high bust measurement, as this will help you determine whether you need to do a full bust adjustment (FBA) or any other fitting modifications before cutting.

The Ivy Blouse is designed with ease built into the silhouette — it’s meant to be relaxed and slightly oversized, so don’t be alarmed if your size on the chart seems larger than what you typically buy ready-to-wear. That ease is intentional and part of what gives the blouse its characteristic, comfortable feel.

A few common fitting considerations to keep in mind:

Shoulder seam placement is often the first thing to check. Because the Ivy Blouse has a relaxed, slightly dropped shoulder, this is more forgiving than a fitted shirt, but it’s still worth checking that the shoulder seam sits where you’d like it to.

Sleeve length varies between individuals, and this is one of the easiest adjustments to make before cutting. Measure from your shoulder to your wrist, compare it to the sleeve length in the pattern, and lengthen or shorten the sleeve at the designated line.

Torso length is another area where some people need to make adjustments. If you have a longer or shorter torso, you can add or remove length at the waist adjustment line to ensure the blouse hits you at just the right spot on your hip.

Neck circumference is something that occasionally trips people up with collar-and-button-band blouses. If you have a larger neck, it’s worth double-checking that the collar opening will be comfortable once finished. The Ivy Blouse collar is generally quite forgiving in this regard, but it’s worth checking.

Construction Walkthrough: What to Expect

The Ivy Blouse construction follows a logical sequence that, once you’ve sewn it through once, will feel very natural. Here’s a broad overview of what the sewing process looks like:

You’ll begin by cutting and interfacing the relevant pieces — typically the collar, collar stand, button band, and cuffs. Taking time to press your interfacing properly at this stage pays dividends later when your finished collar and cuffs look crisp and professional.

Next, you’ll construct the collar, which is one of the most satisfying parts of the whole process. The collar on the Ivy Blouse is made up of the collar itself and a collar stand, and when you fold it back and see how it frames the neckline, it’s genuinely one of those moments that makes sewing feel magical.

After the collar, you’ll sew the main body pieces together — shoulders first, then setting in the sleeves and sewing the side seams. Many sewists choose to flat-fell their seams on a blouse like this for a clean, professional interior finish, but a regular French seam or even a serged seam finish works perfectly well.

The sleeve and cuff construction follows a traditional shirting method, with a placket at the sleeve opening and a cuff that buttons at the wrist. This is a great technique to learn if you haven’t done it before, and the pattern guides you through it clearly.

Finally, you’ll hem the blouse and sew your buttonholes. Buttonholes tend to be one of those things that sewists feel anxious about, but with a little practice on scrap fabric using the same fabric and interfacing as your blouse, they become very manageable. Take your time, use a sharp needle, and don’t rush.

Tips for a Beautiful Finished Ivy Blouse

After reviewing countless makes of this pattern from the sewing community, a few tips consistently emerge as the difference between a good result and a truly beautiful one.

Press as you go, and press thoroughly. This is advice that applies to almost any sewing project, but it matters especially on a blouse with structured collar and cuff details. Every seam, every fold, every collar edge should be pressed before you move to the next step. Investing in a good iron and a clapper or tailor’s ham will make a visible difference.

Use quality interfacing. The collar and cuffs deserve a fusible interfacing that provides structure without being stiff or plastic-feeling. Many sewists love woven interfacing for this purpose, as it behaves more like fabric and gives a softer, more natural hand to the finished collar.

Clip and grade your seam allowances, especially around the collar. Where you’re sewing curved seams or attaching the collar to the neckline, clipping carefully and grading the seam allowances (trimming them to different widths to reduce bulk) will help everything lie flat and smooth.

Stay-stitch your neckline before attaching the collar. This small step takes about two minutes and prevents the neckline from stretching out of shape while you’re working on it, which in turn makes the collar attachment go much more smoothly.

Make a muslin if you’re unsure about fit. A quick test version of the blouse in inexpensive cotton or linen allows you to check fit and make adjustments before cutting into fabric you love. Many sewists skip this step, but if you’re new to the pattern or trying a more expensive fabric, it’s worth the extra time.

Styling the Ivy Blouse

Part of what makes the Ivy Blouse such a beloved pattern is how effortlessly it slots into a real, everyday wardrobe. It’s the kind of piece that works hard across multiple seasons and contexts.

Tuck it loosely into high-waisted wide-leg trousers for a relaxed, bohemian-chic look that works beautifully for weekends or creative workplaces. The slightly blousy silhouette and the elegant collar give the outfit an intentional, put-together feel without looking overdressed.

Pair it with slim jeans or straight-leg denim and ankle boots for a classic casual outfit that never goes out of style. The Ivy Blouse has that rare quality of making jeans-and-a-top look considered rather than thrown together.

Layer it under a chunky cardigan or knit vest as the weather cools, with the collar peeking out above the knitwear for a preppy, layered look that feels very current.

Wear it half-tucked with a flowing midi skirt for warm-weather dressing at its most effortless. In a silk-effect fabric or a Liberty print cotton lawn, this combination is genuinely beautiful for summer occasions.

Why the Sewing Community Loves the Ivy Blouse

Spend any time on Instagram, Pinterest, or sewing blogs, and you’ll find hundreds of Ivy Blouse makes, each one slightly different from the last. Some are sewn in crisp white linen; others are made up in bold botanical prints or soft stripes. Some sewists add a chest pocket or lengthen the blouse into a tunic; others shorten the sleeves or swap buttons for something more decorative.

This versatility is a big part of the pattern’s enduring popularity. It’s a canvas that accommodates personal expression rather than demanding strict adherence to a single vision. The underlying design is strong enough to carry almost any fabric choice or modification while still looking cohesive and wearable.

The Petite Knit brand also deserves credit for the quality of the pattern itself. The instructions are thorough and clearly written, the diagrams are well-drawn, and the sizing is graded thoughtfully. These things matter more than they might sound — a confusing pattern can turn a beautiful project into a frustrating ordeal, and the Ivy Blouse consistently earns praise for making the process enjoyable.

Where to Buy the Ivy Blouse Pattern

The Ivy Blouse pattern is available directly from the Petite Knit website as a digital PDF download. Once purchased, you can print it at home or send it to a copy shop for a larger format print. The pattern includes all sizes in a single file, so you can trace off your size without cutting the original.

Some fabric shops and indie retailers also carry physical copies of Petite Knit patterns, so if you prefer a printed version, it’s worth checking your local sewing shop or searching online retailers who stock indie sewing patterns.

Final Thoughts

The Ivy Blouse by Petite Knit has earned its place as a modern sewing classic, and there’s every reason to believe it will continue to be a beloved pattern for years to come. Its combination of beautiful design, thoughtful construction, and genuine wearability makes it one of those patterns you’ll come back to again and again, in different fabrics and different seasons, each time discovering something new to love about it.

Whether you’re making your very first blouse or adding another Ivy to a growing collection, this pattern is one of the most rewarding projects you can take on in the sewing room. Clear your schedule, choose a fabric you love, and enjoy every step of the process — because the Ivy Blouse is the kind of project that reminds you exactly why you started sewing in the first place.