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You can keep yellow squash in the fridge for about 4 to 5 days if it’s stored properly.
That’s the short answer, and it’s based on how quickly this tender summer squash loses moisture and quality once it’s chilled.
If you’ve been wondering how long you can keep yellow squash in the fridge, the answer really depends on whether it’s raw or cooked.
Raw yellow squash lasts around 4 to 5 days, while cooked yellow squash can stay good for up to 5 days in an airtight container.
In this post, we’ll look at how long you can keep yellow squash in the fridge, the best ways to store it, and the signs that tell you it’s time to toss it.
Let’s get into it.
How Long Can You Keep Yellow Squash in the Fridge?
How long you can keep yellow squash in the fridge comes down to a few key factors.
When stored raw in the crisper drawer, yellow squash holds up for about 4 to 5 days.
That window shrinks fast if the squash is left loose on a shelf or near fruits that release ethylene.
Cooked yellow squash, on the other hand, can last up to 5 days when kept in a sealed container.
Frozen yellow squash goes even longer — up to 10 to 12 months — but the texture changes once it thaws.
So the real answer to how long you can keep yellow squash in the fridge is this: about a week at most for fresh, and 5 days for cooked.
1. Fresh Yellow Squash Lasts 4 to 5 Days
Fresh yellow squash is delicate, and its thin skin loses water quickly.
That’s why you can only keep yellow squash in the fridge for a few days before it starts to soften.
The crisper drawer helps because it holds a bit of humidity without soaking the squash.
After day five, you’ll usually notice the skin getting wrinkly and the ends turning soft.
2. Cooked Yellow Squash Lasts About 5 Days
Once you cook yellow squash, the clock resets a little.
You can keep cooked yellow squash in the fridge for up to 5 days if it’s cooled fast and stored in an airtight container.
The key is to refrigerate it within two hours of cooking so bacteria don’t get a chance to grow.
Reheat it thoroughly before eating, and give it a sniff first just to be safe.
3. Frozen Yellow Squash Lasts Up to a Year
If you want to keep yellow squash far longer than a week, freezing is your best bet.
Blanch sliced squash for two minutes, then plunge it into ice water before freezing.
This keeps the color and flavor intact so you can keep yellow squash in the freezer for 10 to 12 months.
Just know it’ll come out softer, which is fine for soups, casseroles, and breads.
How to Store Yellow Squash So It Lasts Longer
How you store yellow squash in the fridge matters just as much as the temperature.
A few simple habits can stretch those 4 to 5 days into a full week.
1. Don’t Wash It Until You’re Ready to Use It
Moisture is the enemy of fresh yellow squash.
If you rinse it before storing, the extra water invites mold and mush.
Wipe it clean with a dry cloth instead, and wash it right before cooking.
2. Keep It Dry and Wrapped Loosely
Wrap your yellow squash in a paper towel, then place it in a reusable bag or a perforated plastic bag.
The paper towel soaks up excess moisture, and the loose wrap lets air circulate.
This is the trick that helps you keep yellow squash in the fridge without it turning slimy.
3. Use the Crisper Drawer
The crisper drawer is designed for produce like yellow squash.
It keeps humidity higher than the rest of the fridge, which slows down water loss.
Set the vent to the low-humidity setting if your drawer has one.
And keep squash away from bananas, apples, and tomatoes, since their ethylene gas speeds up ripening and spoilage.
Signs Your Yellow Squash Has Gone Bad
Even when you follow every storage tip, yellow squash can still turn.
Here’s how to tell when it’s past its prime.
1. Soft, Wrinkly Skin
A little give is normal, but if the skin looks shriveled or feels squishy, it’s done.
That means the squash has lost too much moisture and won’t bounce back.
2. Slimy or Sticky Texture
If the surface feels slick or sticky, bacteria have taken over.
Toss it right away — no amount of trimming will make it safe.
3. Mold or Dark Spots
Any fuzzy patches, dark spots, or black streaks mean it’s time for the compost bin.
Mold spreads quickly, so don’t try to cut around it.
4. A Sour or Off Smell
Fresh yellow squash smells mild and almost grassy.
If yours smells sour, yeasty, or just plain off, throw it out.
So, How Long Can You Keep Yellow Squash in the Fridge?
You can keep yellow squash in the fridge for about 4 to 5 days when it’s raw, and up to 5 days when it’s cooked.
Frozen yellow squash lasts much longer — up to a year — if you blanch it first.
The trick to making it last is keeping it dry, wrapping it loosely, and storing it in the crisper drawer away from ethylene-producing fruits.
Now that you know how long you can keep yellow squash in the fridge, you can plan your meals with confidence and waste less food.