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You can remove worms from walnuts by freezing them, heating them, or soaking them in salt water.
If you’ve been wondering how to remove worms from walnuts, you’re not alone because those little critters can ruin your harvest fast.
The good news is that removing worms from walnuts is easier than you think once you know what works.
In this post, we’ll walk through the best ways to remove worms from walnuts, how to spot an infestation early, and how to keep your walnuts worm-free.
Let’s dive in.
Why You Need to Remove Worms From Walnuts
Before we get into how to remove worms from walnuts, it helps to understand why it matters.
Walnuts are a magnet for pests like the walnut husk fly, codling moth larvae, and pantry beetles.
These pests lay eggs on or inside the husk, and when the larvae hatch, they burrow straight into the nut meat.
If you don’t remove worms from walnuts quickly, they’ll spread to the rest of your stash.
Here’s why that’s a problem:
1. Worms Ruin the Taste and Texture
A worm-infested walnut tastes bitter and mushy instead of rich and crunchy.
That’s because the larvae feed on the nut meat as they grow.
So when you remove worms from walnuts, you’re not just cleaning them.
You’re saving the flavor you worked so hard to get.
2. They Can Contaminate Other Walnuts
One infested walnut can lead to many more if you store them together.
Worms and their waste products spread mold and bacteria through the whole batch.
That’s why you should remove worms from walnuts before you store them for the season.
3. Nobody Wants a Surprise in Their Snack
Let’s be honest, finding a worm in your walnut is a snack-time nightmare.
Whether you’re baking, snacking, or gifting walnuts, you want them clean.
Learning how to remove worms from walnuts gives you peace of mind with every handful.
How to Remove Worms From Walnuts: Step-by-Step Methods
Now for the good stuff because here’s exactly how to remove worms from walnuts at home.
1. Freeze the Walnuts
Freezing is one of the simplest ways to remove worms from walnuts.
Pop your walnuts in a sealed bag and freeze them for at least 24 hours.
The cold kills the worms and their eggs, and then you can shake the bag to dislodge them.
After freezing, spread the walnuts out and pick out any visible worms or debris.
This method works great for prevention too, especially if you’re storing walnuts long-term.
2. Soak Them in Salt Water
A salt water soak is an old-school trick to remove worms from walnuts.
Mix about a cup of salt into a gallon of water and drop your walnuts in.
Let them soak for a few hours, and the worms will float to the top or crawl out.
Skim off the floaters, rinse the walnuts well, and dry them thoroughly.
Just don’t soak too long because the nut meat can get soggy.
3. Heat Them in the Oven
If you want to remove worms from walnuts fast, heat does the job.
Spread the walnuts on a baking sheet and bake at 150°F for about 15 to 20 minutes.
The low heat kills the worms without roasting the nuts.
Let them cool, then brush off any lingering debris.
This method also helps remove worms from walnuts that are already shelled.
4. Crack and Inspect by Hand
Sometimes the best way to remove worms from walnuts is just good old-fashioned inspection.
Crack each shell and look for holes, webbing, or dark spots in the meat.
Toss any walnut that looks damaged or has a worm inside.
It’s time-consuming but it’s the most thorough way to remove worms from walnuts.
5. Use a Salt Brine Before Drying
If you’re harvesting fresh walnuts, a salt brine soak is a great preventive step.
It helps remove worms from walnuts before you even dry them for storage.
Soak the hulled nuts for 24 hours, then rinse and dry them in a warm, airy spot.
This step stops larvae from settling in while the nuts cure.
Tips to Prevent Worms in Walnuts
Once you know how to remove worms from walnuts, prevention becomes much easier.
Here are a few habits that keep your walnuts clean from the start:
1. Harvest at the Right Time
Pick walnuts as soon as the husks split and start to dry.
Leaving them on the ground invites pests to move in.
Timely harvest means fewer worms to remove from walnuts later.
2. Dry Them Properly
Moisture is a worm magnet.
Dry your walnuts in a warm, well-ventilated area until the shells feel crisp.
Proper drying makes it much harder for pests to settle in.
3. Store Them in Airtight Containers
Keep your cleaned walnuts in sealed containers or freezer bags.
This blocks pantry pests from laying new eggs.
It also keeps your walnuts fresh for months.
4. Inspect Before You Store
Always check your walnuts for worms before storing them away.
One bad nut can spoil the whole batch.
A quick inspection now saves you a big cleanup later.
So, How to Remove Worms From Walnuts?
To remove worms from walnuts, you can freeze them, soak them in salt water, heat them, or inspect them by hand.
The best method depends on whether your walnuts are shelled or unshelled and how bad the infestation is.
Pair these removal methods with smart harvesting and storage habits to keep worms away for good.
Now you know exactly how to remove worms from walnuts so your harvest stays fresh, crunchy, and worm-free.