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To harvest and dry walnuts, you’ll want to wait until the husks split and the nuts are fully mature.
This usually happens in late autumn when the green outer husk begins to crack and pull away from the shell.
If you harvest and dry walnuts at the right time, you’ll get a much better tasting nut that stores well for months.
Whether you have a single backyard tree or a small orchard, the process of how to harvest and dry walnuts is pretty straightforward once you know the steps.
In this post, we’ll walk through exactly when to harvest walnuts and how to dry walnuts properly so they stay fresh and delicious.
How to Harvest Walnuts
Harvesting walnuts starts with knowing when they’re ready.
You can harvest walnuts when the outer green husk begins to split open on its own.
At that point, the nut inside is mature and ready to be collected.
Here’s how to harvest walnuts without damaging them or hurting yourself in the process.
1. Wait for the Husks to Split
The number one sign it’s time to harvest walnuts is when the green husks start splitting.
This typically occurs in late September through October, depending on your climate.
If you harvest walnuts too early, the nut won’t be fully developed and the flavor will be bitter.
So patience is key when you’re learning how to harvest walnuts.
2. Gather Them From the Ground
The easiest way to harvest walnuts is to wait for them to fall naturally.
A gentle shake of the branch can also help dislodge any stubborn nuts.
When you harvest walnuts from the ground, pick them up promptly to avoid mold or pests.
Don’t leave them sitting on the lawn for days because moisture will ruin them fast.
3. Remove the Husks Right Away
After you harvest walnuts, the next step is removing the husks.
You can do this by hand, but be warned—the husk will stain your skin brown for days.
So wear gloves when you harvest walnuts and remove those husks.
A good trick is to spread the nuts on a hard surface and stomp on them with boots to pop the husks off.
Once you’ve finished husking, rinse the nuts with a hose to remove any leftover debris.
How to Dry Walnuts Properly
Drying walnuts is the most important part of the process because it prevents mold and preserves flavor.
If you don’t dry walnuts correctly, they’ll turn rancid or grow mold within weeks.
So here’s how to dry walnuts the right way.
1. Spread Them Out in a Single Layer
To dry walnuts, spread them out in a single layer on a screen or drying rack.
Good airflow around each nut is essential when you dry walnuts.
Avoid piling them up because the ones in the middle won’t dry evenly.
An old window screen works great for this step.
2. Choose a Warm, Dry, Airy Spot
When you dry walnuts, place the rack in a warm, dry area with good ventilation.
A garage, attic, or covered porch is ideal for drying walnuts.
You want them out of direct sunlight, but they do need warmth to dry fully.
It usually takes two to four weeks to dry walnuts completely.
3. Turn Them Occasionally
As you dry walnuts, turn them every few days so all sides get exposure.
This helps them dry walnuts evenly and prevents any damp spots from forming.
If you live in a humid climate, you might need extra time to dry walnuts fully.
4. Test for Dryness
Once you think you’ve finished drying walnuts, do a simple test.
Pick up a nut and shake it—if the kernel rattles inside, it’s done.
Another way to check if you dried walnuts enough is to crack one open.
The kernel should snap when you bite it, not feel rubbery or soft.
If it’s still soft, keep drying walnuts for another week.
Storing Your Harvested and Dried Walnuts
After you harvest and dry walnuts, proper storage keeps them fresh for up to a year.
Store shelled walnuts in airtight containers in the fridge or freezer.
If you leave them in the shell, they’ll last even longer in a cool, dry place.
Label your containers with the date so you know when you harvest and dry walnuts each season.
So, How Do You Harvest and Dry Walnuts?
You harvest and dry walnuts by waiting for the husks to split, gathering the nuts quickly, removing the husks, and then drying them in a warm, airy spot for a few weeks.
Once you know how to harvest and dry walnuts, you’ll never have to buy store-bought nuts again.
So find a walnut tree near you and give it a try this fall.