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how to fix moth holes

Illustrated, Step-by-Step Instructions that show how to fix moth holes in sweaters and other knit items. Familiarity with moth hole repair will help you extend the life of your fine knits.

When my brother asked me if I could fix moth holes in his cashmere sweaters, I said, ‘Sure! ‘ even though I had never repaired moth damage before. I’ve repaired holes in knit fabrics before but usually dealt with bulkier fabric that hid repairs well.

These cashmere sweaters were a different story. The fabric was knit with fine thread and needles, so I wanted to make sure I could repair the moth holes so that the repair wasn’t visible.

And I’ve got to say, I’m pretty tickled with the moth hole repair. Check out the before-and-after.

If you look closely, you can see where the repair is. But bear in mind that three moth holes like this will create a repair that is much more visible than a single hole. And even with three holes mended, you have to look closely. Can you spot it?

Mended hole in a gray sweater.

Frequently Asked Questions About How to Fix Moth Holes

How can I make the mend less visible?

Only work on the backside of the fabric loops to keep the mend nearly invisible from the front.

What if the fabric is fine, like cashmere?

The same technique applies, but careful selection of needle and thread is crucial to maintain the fabric’s appearance.

How can I prevent moth holes in the future?

Pop over to read how to prevent moths here. It’s clear evidence that an ounce of prevention is worth a pound of cure.

What Do You Need For Moth Hole Repair?

The short answer, ‘not much!’

You need just a needle and thread. For finer knits, use a thin sewing needle. If this had been thicker yarn, I would have used a darning needle.

I just used sewing thread—in this case, a bright yellow—so that it is easier for you to see. The mend you see above was made using this yellow thread.

How To Repair Moth Holes In Sweaters?

A grey sweater with moth holes.

Turn the work over, as we will be working on the back.

Using needle and thread to mend a hole in knit fabric.

Thread your needle. I chose yellow to make it more visible for illustration purposes, but normally, I would choose a color closer to the color of the sweater.

First step to fix moth hole is to bring your thread from a loop on the back of the sweater.

We will be working with the columns and rows on the back. Find a column to the right of the moth hole and a row or two below the hole. Secure your needle in a loop there.

Using needle and thread to fix a moth hole in knit fabric.

THIS IS VERY IMPORTANT! You will only be working on the backside of the loops. Don’t push your needle to the front of your fabric. By staying on the loops on the back, you will make your work almost invisible.

Using needle and thread to fix a moth hole in knit fabric.

After securing your thread, go up the column to the right of the hole by a column or two.

Explanation of fixing moth holes in knit fabric.

Turn your work over to ensure your needle didn’t come through to the front of your work.

Using needle and thread to fix a moth hole in knit fabric.

Pop over to the next column and thread your needle down that one.

Using needle and thread to fix a moth hole in knit fabric.

Continue working up and down, grabbing the loops at the side of the moth hole as much as possible.

Using needle and thread to mend a hole in knit fabric.

You can see where the holes are, where there aren’t threads to grab.

Using needle and thread to fix a moth hole in knit fabric.

Continue working up and down.

Using needle and thread to fix a moth hole in knit fabric.

What your mending looks like after the columns have been worked.

Using needle and thread to fix a moth hole in knit fabric.

Now, turn your work 90°, and work your needle across the row.

Using needle and thread to fix a moth hole in knit fabric.

Continuing in an up and down pattern.

Using needle and thread to fix a moth hole in knit fabric.

Again, remember that your needle stays on the back half of the stitches.

Showing how to repair moth holes in sweaters.

When you hit the places where the moth holes are, weave your needle up and over the threads to create a mesh.

Showing how to repair moth holes in sweaters.

Tie off your thread and turn it over!

Showing where the hole was mended.

Finished!

Showing where the hole was mended.

You have to look very closely to see the yellow thread.

To see the full video showing how to repair moth holes in sweaters and other knits, from start to finish, pop on over here.

Preventing Moth Holes in the First Place

I found the process of mending these moth holes oddly rewarding. That said, I’m not anxious to go into the moth repair business. To that end, when I sent these back to my brother, I sent a bottle of Eucalan along, too. Eucalan is a rinse-free wool wash containing Eucalyptus and Lavender, which repel moths.

I’ve also made this Natural Moth Repellent Potpourri, which I have tucked into our closet and armoire.

Natural Moth Repellent Potpourri

I also took a deep, rather creepy-crawly dive into the moths that eat clothes and how to prevent them. Pop over to read how to prevent moths here. It’s clear evidence that an ounce of prevention is worth a pound of cure.

Bookmark this page or pin the following image to refer to this post on how to repair moth holes in sweaters in the future.

Hands and needle showing how to repair moth holes in sweaters.
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6 Comments

  1. Thank you. I had this problem once. Now I stock my draws and closet with Yardley’s lavender soap and I’ve never had the problem since. We have Dollar stores here in Canada that seem to stock this soap for a dollar or two.
    Astrid

    1. That’s great to know Astrid! I’m going to check out our dollar store this week! I’m going to do ‘all the things!’ so that we don’t have them take up residence in our closet.

      Thanks for the tip.

      Hugs,

      Lynn

  2. 65 years ago men’s socks were not as cheap as they are now. As a newlywed from “the old country” I mended my husband’s socks. The first time he saw me work on one he told me That he didn’t want to walk on LUMPS. I told him that I don’t make lumps and he happily wore his invisible mended socks!
    Great work Lynn and thanks for sharing. Unfortunately, I don’t have a picture handy, but there is a special mending tool for darning. It is shaped like a mushroom and called a “stoppeæg”, darning egg in Danish

    1. Hi Tove,

      I’ve seen that egg/mushroom!It looks very handy and I’m sure it makes the process easier. Luckily (fingers crossed), I haven’t had to mend any more holes since I fixed my brother’s. But, if I do find myself mending more often, I will definitely look into a darning egg.

      Thanks for the suggestion and have a great day!

      Lynn

  3. Thank you so much for posting about the moth holes on fine knits. I have three fine merino sweaters to work on now that I know how. What a relief to know they can be fixed. I store my woollens in a zip up creature proof fabric bag with small cloth bags of cloves, cinnamon, lavender, bay leaves and other strong smelling herbs.

    1. Good Morning Carol,

      You know, I actually find the process rewarding and somewhat enjoyable. It is like working a bit of magic! Let me know how you do. And I’ve got it on my to-do list to share my Moth Repelling Sachets…you prompted me to get busy on it!

      Have a wonderful day.

      Lynn

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