The most durable way to add crochet trim to fabric is to create a Blanket Stitch Foundation. This row of evenly spaced stitches worked along the hem creates loops that act as anchors for decorative crochet borders, ranging from simple scallops to more intricate lace designs.
In this tutorial, we will explore how to crochet a blanket stitch edge. This project is beginner-friendly, and to keep it accessible, we will not use any specialised or hard-to-find tools. Sometimes fancy cutting or hole-punching tools are difficult to purchase or unavailable, which can slow your progress. For this reason, we will only use a steel crochet hook to pass through the fabric and create the foundation stitches.
If you’re familiar with the sewn version of this technique, you may already know how to do a blanket stitch by hand. The crochet method follows the same basic principle but allows for greater flexibility and more decorative edging options.
Once the foundation is complete, a single-crochet base row is worked into the loops, followed by a scalloped or shell-stitch border to create a clean, durable, and professional finish.
How to Crochet a Blanket Stitch Edge
The foundation of any crochet border on fabric is proper preparation and a strong first row. This section explains how to crochet a blanket-stitch edge step by step, focusing on fabric prep and the foundation row that underpins all decorative crochet edging.
Whether you’re working on fleece, flannel, or another non-fraying fabric, mastering this method ensures your crochet edging stays neat, secure, and professional.
Step 1: Prepare the Fabric Edge
Before adding crochet, the fabric edge must be stable and evenly marked. Choose a non-fraying fabric such as fleece or felt whenever possible. If working with woven fabrics, fold a small hem (about 1 inch) and press it flat for strength — pins help keep it in place while you work. Lightly round the corners with scissors to help the crochet border turn smoothly.
Pro Tip: Clean edges prevent puckering and give your blanket stitch loops a uniform appearance.
Step 2: Mark Stitch Placement
Consistent spacing is the key to a professional-looking result. Use a ruler and fabric chalk to mark evenly spaced points along the edge — standard spacing is about ½ inch (1–1.5 cm) between stitches. Make sure corner marks are clearly visible, as you’ll need extra stitches there later.
Step 3: Create Entry Points (If Needed)
Depending on your fabric, you may need to create holes for the hook. Use a sharp steel crochet hook to pierce the fabric at each marked point. On soft fabrics like fleece, the hook passes through easily without pre-punched holes.
Safety Note: Always pierce fabric slowly and deliberately to avoid tearing or uneven holes.
Step 4: Work the Blanket Stitch Foundation Row
This is the most important step. The chain spaces you create here form the classic vertical loops that visually mimic a hand-sewn blanket stitch, while acting as anchors for the crochet border you’ll add next.
- Insert your hook into the first hole at a corner.
- Yarn over and pull up a loop.
- Yarn over and pull through both loops to complete a single crochet.
- Chain 1 to create a visible loop along the fabric edge.
- Move to the next hole and repeat across the edge.
Step 5: Turn Corners Cleanly
Corners need extra stitches to prevent curling. At each corner hole, work 3 single crochets, chaining 1 between each stitch. This creates enough space for the border to turn smoothly without puckering.
Pro Tip: Slightly looser chains at corners help maintain a flat, even edge.
Why This Foundation Matters
This blanket stitch foundation creates a durable base for any crochet border — scallops, shells, lace, or anything else you want to add. It keeps the edge from stretching or tearing, and ensures your decorative stitches sit evenly all the way around.
Once this row is complete, you’re ready to work a base row and add the decorative edging of your choice.
If you prefer a sewn finish instead of crochet, explore the different types of hemming stitches to find the right method for your project.
Coming Up Next?
We’ll be sharing a step-by-step beginner washcloth project soon that puts this technique into practice from start to finish. Stay tuned!
Can I use any fabric for a crochet blanket stitch edge?
Fleece and felt work best as they don’t fray. Woven fabrics like flannel work too but need a folded and pressed hem first to stabilise the edge before you begin.
What size crochet hook do I need?
A steel crochet hook works well for most fabrics. For heavier fabrics or thicker yarn, a 4mm–5mm hook with a worsted weight cotton yarn gives clean, even results.
Do I need to punch holes before I start?
Not always. On soft fabrics like fleece the hook passes through without pre-punched holes. On denser fabrics, use a sharp steel hook or awl to pierce the fabric at each marked point.
What’s the difference between a sewn blanket stitch and a crochet blanket stitch edge?
The sewn version uses a needle and thread. The crochet method uses a hook and yarn to create the same vertical loops, but also builds in anchor points for adding decorative borders like scallops or shells afterward.
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