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What to do with onions when you pick them is all about proper curing, storing, and knowing which onions to use first.
When you pick them, onions need specific care to transition from fresh garden veggies to long-lasting pantry staples.
The moment you harvest onions, the clock starts ticking on how well they’ll keep.
What to do with onions when you pick them determines whether you’ll enjoy them for months or lose them to rot in weeks.
In this post, we’ll walk through exactly what to do with onions when you pick them, from curing techniques to ideal storage spots, so you can make the most of your harvest.
Let’s dig into the process.
What To Do With Onions When You Pick Them: Curing Is The First Step
When you pick them, onions are still full of moisture, and that moisture is the enemy of long-term storage.
Curing is the process of drying the outer skins and necks so they form a protective barrier.
So, what to do with onions when you pick them starts with curing them properly right after harvest.
1. Let The Onions Dry In The Sun
The easiest way to cure freshly picked onions is to leave them in the garden on top of the soil for a day or two.
Spread them out in a single layer so air can circulate around every bulb.
If rain is in the forecast, move them to a dry, sunny spot like a patio or a greenhouse shelf.
When you pick them, the goal is to dry the roots and the neck until they feel papery and rustle when touched.
This sun drying kick-starts the curing process and helps the outer layers tighten up.
2. Move Them To A Shaded, Ventilated Area
After a couple of days in the sun, bring your onions into a shady, dry, and well-ventilated space.
A garage, shed, or covered porch works perfectly.
Hang them in mesh bags, spread them on wire racks, or braid them if you left the tops intact.
Keep them off the ground and away from direct sunlight because too much heat can scald them.
During this stage of what to do with onions when you pick them, airflow is your best friend.
Let them cure for two to three weeks until the necks are completely dry and tight.
You’ll know curing is complete when no moisture seeps out when you press the neck gently.
3. Trim And Clean Before Storing
Once cured, it’s time to tidy up your onions before you put them away.
Cut off the dried roots close to the bulb using clean scissors or snips.
Trim the tops down to about one inch above the bulb, unless you plan to braid them.
Brush off any loose soil, but never wash the onions because added moisture invites mold.
This step ensures your stored onions stay clean and dry.
When you pick them and follow this trimming routine, you reduce the risk of disease and spoilage.
Sorting Your Onions After You Pick Them
Not all onions are created equal when it comes to how long they’ll last in storage.
What to do with onions when you pick them includes sorting them by ripeness and intended use.
1. Separate Thick-Necked Onions For Immediate Use
Onions with thick, fleshy necks didn’t cure well and won’t store for long.
Set these aside and use them first in your kitchen within a few weeks.
They’re perfectly edible, just not built for months of shelf life.
2. Set Aside Any Damaged Or Bruised Bulbs
Check each onion for cuts, bruises, or soft spots.
Any damaged onions are prone to rotting and can spoil their neighbors in storage.
Use these right away in soups, stews, or fresh salads.
When you pick them and keep only flawless onions for long-term storage, you protect the whole batch.
3. Identify Sweet Onions Versus Storage Onions
Sweet onion varieties like Vidalia or Walla Walla have higher water content and shorter shelf lives.
Pungent storage onions like yellow or red globe types last much longer.
Keep sweet onions in the fridge and use them within a month.
Store the pungent varieties in a cool, dry place for several months.
Best Storage Conditions For Freshly Picked Onions
After curing and sorting, the next part of what to do with onions when you pick them is creating the right storage environment.
Onions thrive in cool, dark, and dry conditions with plenty of air circulation.
1. Aim For Cool And Dry
The ideal temperature range for storing onions is between 35°F and 45°F.
A basement, root cellar, or unheated pantry often offers these conditions.
Keep humidity low because dampness causes sprouting and rot.
Avoid storing onions near potatoes because potatoes release moisture and gases that make onions spoil faster.
2. Use Breathable Containers
Plastic bags trap moisture and should be avoided at all costs.
Instead, use mesh produce bags, wire baskets, or cardboard boxes with holes punched in them.
These containers allow air to flow around each onion.
Hanging mesh sacks work great too, especially if you have ceiling hooks in a cool spot.
3. Store Stem Side Up
Believe it or not, positioning matters when you store onions.
Place them with the trimmed stem pointing upward.
This helps any residual moisture escape rather than pooling at the base.
Check your stored onions every couple of weeks and remove any that show signs of softening or sprouting.
One bad onion can quickly ruin a whole batch.
What To Do With Onions When You Pick Them For Short-Term Use
Not every onion you harvest needs to go into long-term storage.
Some are best enjoyed fresh while they’re still juicy and mild.
1. Use Fresh Onions Within A Few Weeks
If you prefer sweet, crisp onions for salads and sandwiches, keep a few in the fridge.
Fresh onions retain their crunch and mild bite when refrigerated.
Wrap them loosely in a paper towel and place them in the crisper drawer.
When you pick them and decide to eat them fresh, they’ll keep for about two to three weeks this way.
2. Freeze Chopped Onions For Convenience
Have more onions than you can use fresh?
Chop or dice them and freeze them in resealable bags or ice cube trays.
Frozen onions work perfectly in cooked dishes like soups, casseroles, and stir-fries.
No need to thaw them first, just toss them straight into the pan.
This is a fantastic answer to what to do with onions when you pick them in abundance.
3. Dehydrate Onions For Long-Lasting Flakes
Another great option is to slice onions thinly and dehydrate them in a food dehydrator or oven.
Dried onion flakes store for up to a year in an airtight jar.
Rehydrate them in water or add them directly to soups and sauces.
When you pick them and have more than you can store fresh, dehydration preserves that sharp onion flavor beautifully.
So, What To Do With Onions When You Pick Them?
What you do with onions when you pick them comes down to curing, sorting, and storing them correctly.
When you pick them, you must cure them in the sun and then in a shady, ventilated spot for a few weeks.
After that, trim the roots and tops, sort out any damaged bulbs, and use thick-necked ones immediately.
Store the healthy onions in a cool, dry, and dark place with good airflow.
Enjoy sweet varieties fresh within weeks and reserve pungent types for months of storage.
For surplus harvests, freezing or dehydrating onions gives you even more flexibility.
So when you pick them, you now have a clear plan to keep every single bulb in great shape.
Follow these steps, and your homegrown onions will last long past harvest season.