Sewing lace trim starts with pinning it in place, then stitching it down with thread that matches the lace or the fabric underneath

The basic method is the same whether you use a sewing machine or hand-sew: position the lace along the edge or seam you want to trim, pin it so it does not shift, then stitch through all layers. Machine sewing is faster and holds better under wear. Hand sewing gives you more control on delicate fabrics and lets you hide stitches inside the lace itself. The choice depends on the weight of your lace, the fabric you are trimming, and how much time you have.

Lace trim comes in two main types: edging, which has one finished edge and one raw edge that you sew down, and insertion, which has two finished edges and sits on top of or between fabric pieces. Edging is more common for finishing necklines, cuffs, and hems. Insertion works for decorative bands across a garment. The stitch you use and how you position the lace changes slightly depending on which type you have.

Key Takeaways

  • Machine stitching works best for lace trim on sturdy fabrics like cotton and linen; hand stitching is safer for delicate materials like silk and chiffon.
  • Pin lace trim in place before you stitch, and use thread that matches the lace color rather than the fabric color so stitches disappear into the pattern.
  • A narrow zigzag stitch on a machine catches both edges of the lace and prevents fraying; a backstitch by hand does the same job more slowly.
  • Test your stitch on a scrap of the same fabric and lace before you commit to the garment, because tension and needle size affect how the lace sits.

Machine sewing lace trim with a zigzag stitch

Set your machine to a narrow zigzag stitch — width between 2 and 3, length between 1.5 and 2. This stitch catches both the lace and the fabric without puckering and prevents the raw edge of the lace from fraying. If your machine has a built-in stretch stitch or a three-step zigzag, either works well and is slightly more stable than a standard zigzag.

Pin the lace to the fabric with the raw edge of the lace aligned with the edge of the fabric, or positioned slightly over it if you plan to trim the fabric edge afterward. Use pins perpendicular to the lace edge, spaced about 2 inches apart. Start stitching slowly, guiding the lace so the needle catches the lace on the left swing and the fabric on the right swing. Keep tension even — too tight and the fabric will pucker; too loose and the stitch will not hold.

Remove pins as you approach them so they do not catch the needle. When you reach the end, backstitch two or three times to lock the thread, then trim the thread tails close to the fabric. If the fabric edge shows beyond the lace, trim it with scissors or a rotary cutter after stitching.

Hand sewing lace trim with a backstitch or ladder stitch

A backstitch is the strongest hand stitch for lace and works on any fabric weight. Thread a needle with thread that matches the lace, knot the end, and bring the needle up through the fabric from underneath so the knot stays hidden. Position the needle at the edge of the lace, push it down through both the lace and fabric, then bring it back up about 1/8 inch ahead. Push the needle back down into the hole you just came out of, creating a solid line of stitches. Continue along the entire edge.

A ladder stitch (also called an invisible stitch) hides inside the lace pattern and is best for edging lace on delicate fabrics. Bring the needle up through the fabric, then slide it horizontally inside the fold of the lace for about 1/4 inch. Come back out and push the needle straight down into the fabric directly below, then slide it horizontally inside the fabric for 1/4 inch before coming back up. This creates a zigzag path that is nearly invisible from the outside.

Hand stitching takes longer than machine stitching — expect 15 to 30 minutes per yard depending on lace width and your speed — but gives you precise control and works on fabrics too delicate for a machine.

Preparing the lace and fabric before you stitch

Measure the length of the edge you are trimming and cut the lace about 1 inch longer than you need. This extra length gives you room to overlap the ends or fold them under neatly. If the lace is very stiff or curled from the spool, soak it in cool water for 10 minutes, then lay it flat to dry. This relaxes the fibers and makes it easier to pin and stitch.

Check the fabric edge for loose threads or fraying. If the fabric is woven and will fray, you can trim it close with scissors before pinning the lace, or let the lace cover the raw edge entirely. If the fabric is knit, the edge will not fray, so you can position the lace right at the edge. Press both the fabric and the lace with a cool iron if they are wrinkled — a smooth surface is easier to pin and stitch.

Handling corners and curves when attaching lace

At a corner, stop stitching about 1/4 inch before the corner point. Lift the presser foot (if machine sewing) or pause (if hand sewing), pivot the lace and fabric so they align with the new direction, then continue stitching. The small gap at the corner will be hidden by the fold of the lace. If the corner is very sharp, you may need to clip the seam allowance of the fabric to reduce bulk, but do not cut into the lace itself.

For curves, pin the lace more frequently — every 1 inch instead of every 2 inches — so it follows the curve without bunching or pulling. Stitch slowly and let the curve guide your needle rather than forcing the lace into shape. If the lace resists, ease it gently as you stitch; if it still bunches, you may need to stretch the fabric slightly or use a slightly wider stitch.

When two ends of lace meet, overlap them by about 1/2 inch and stitch through both layers, or fold one end under the other and stitch the fold closed. Either method is invisible from the front if done neatly.

Choosing thread color and needle size

Thread color matters more than you might think. Use thread that matches the lace, not the fabric. Lace has a pattern, and thread that matches the lace color disappears into that pattern. Thread that matches the fabric shows as a line across the lace. If the lace is multicolored, use a neutral tone like cream, white, or gray that blends with most of the pattern.

For machine sewing, use a needle size that matches your fabric weight: size 60/8 or 70/10 for lightweight fabrics like silk and chiffon, size 80/12 for medium-weight cotton and linen, and size 90/14 for heavier fabrics. A needle that is too large will leave visible holes in delicate lace; a needle that is too small may skip stitches or break.

For hand sewing, use a needle fine enough to pass through the lace without enlarging the holes. A size 8 or 9 needle works for most lace; very fine lace may need a size 10 or 11. The needle should be short enough to control easily — typically 1 to 1.5 inches long.

Finishing the ends of lace trim

If the lace ends meet at a seam (like the back of a neckline), overlap them by 1/2 inch and stitch through both layers. Trim the excess close to the stitching. If the ends meet at an open edge, fold one end under the other and stitch the fold closed, or fold both ends under and stitch them down separately.

If the lace ends are visible and you want them to look finished, fold the raw edge under by about 1/4 inch and stitch it down with a ladder stitch or a small backstitch. This takes a few extra minutes but prevents fraying and looks polished.

Frequently Asked Questions

Can I use a regular straight stitch instead of a zigzag?

A straight stitch works if the lace is very stable and the fabric does not fray, but a zigzag is safer because it catches both edges and prevents the lace from pulling away or curling. If you use a straight stitch, sew close to the raw edge of the lace so the stitches hold it flat.

What if the lace puckers when I stitch it?

Puckering usually means your machine tension is too tight. Loosen the top thread tension by one or two numbers and test on a scrap. If that does not help, try a slightly longer stitch length or a wider zigzag. Hand stitching gives you more control and may prevent puckering on very delicate fabrics.

How do I attach lace to a curved neckline without it bunching?

Pin the lace more frequently — every inch instead of every two inches — and stitch slowly. If the lace still bunches, try stretching the fabric slightly as you stitch, or ease the lace gently so it follows the curve. Test on a scrap of the same fabric and lace first.

Should I wash the lace before I sew it on?

If the lace is cotton or linen and you plan to wash the finished garment, wash the lace first in cool water to prevent shrinkage. Synthetic lace does not usually shrink, but washing it does not hurt. Let it dry completely and press it flat before pinning it to the garment.

What stitch do I use if I want the lace stitches to be invisible?

A ladder stitch (invisible stitch) hides inside the lace pattern and is nearly invisible from the outside. It takes longer than a backstitch and works best on edging lace. A backstitch is faster and still looks neat if you use thread that matches the lace color.