Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
Spaghetti squash goes bad after about 1 to 3 months when stored properly in a cool, dry place.
Once cooked, spaghetti squash goes bad much faster and will only last about 3 to 5 days in the refrigerator.
If you’ve been wondering how long before spaghetti squash goes bad, the answer really depends on whether it’s raw or cooked.
Knowing the signs of spoilage can save you from a mushy mess or an upset stomach.
In this post, we’ll cover how long spaghetti squash lasts, how to tell when it’s gone bad, and how to store it so it stays fresh longer.
How Long Before Spaghetti Squash Goes Bad?
Spaghetti squash goes bad at different rates depending on how it’s stored and whether it’s raw or cooked.
1. Raw Spaghetti Squash Lasts 1 to 3 Months
A whole, uncut spaghetti squash can last anywhere from 1 to 3 months in a cool, dark, dry spot.
Some people report their spaghetti squash lasting even longer, up to 6 months, when stored in ideal conditions.
The key is keeping it away from heat, moisture, and direct sunlight.
If you’re wondering how long before spaghetti squash goes bad when left on the counter, it will typically last a few weeks, but a pantry or cellar extends its life significantly.
2. Cut Spaghetti Squash Lasts 3 to 5 Days
Once you cut into a spaghetti squash, the clock starts ticking fast.
Raw cut spaghetti squash goes bad within 3 to 5 days in the refrigerator.
You should wrap it tightly in plastic wrap or store it in an airtight container to slow down spoilage.
Without proper wrapping, cut spaghetti squash can dry out or absorb odors from your fridge.
3. Cooked Spaghetti Squash Lasts 3 to 5 Days
Cooked spaghetti squash goes bad after about 3 to 5 days in the fridge when stored in an airtight container.
If you need it to last longer, you can freeze cooked spaghetti squash for up to 10 to 12 months.
Freezing is a great option if you’ve cooked a big batch and can’t eat it all within a few days.
Just make sure to squeeze out excess moisture before freezing so it doesn’t turn mushy when thawed.
Signs That Spaghetti Squash Has Gone Bad
Knowing the signs that spaghetti squash has gone bad will help you avoid eating something that’s past its prime.
1. Soft or Mushy Spots
A fresh spaghetti squash is firm to the touch.
If you press on it and it feels soft, mushy, or spongy, that’s a clear sign it’s going bad.
Soft spots often mean the squash is rotting from the inside out.
2. Mold or Dark Spots
Mold is one of the easiest signs to spot when spaghetti squash goes bad.
Look for fuzzy patches, black spots, or any discoloration on the skin.
If you see mold on a whole spaghetti squash, it’s best to toss it entirely.
Cutting off the moldy part isn’t safe because mold spores can spread deep into the flesh.
3. Foul or Sour Smell
A good spaghetti squash has a mild, neutral scent.
If your spaghetti squash smells sour, musty, or just off, it has likely gone bad.
This is especially true for cooked spaghetti squash, which can develop a sour smell after a few days in the fridge.
4. Slimy Texture
When spaghetti squash goes bad, the flesh can become slimy or sticky.
If the inside strands feel slick instead of crisp and firm, don’t eat it.
Sliminess is a sure sign that bacteria or fungi have taken over.
How to Store Spaghetti Squash So It Lasts Longer
Proper storage is the best way to extend the shelf life of spaghetti squash and prevent it from going bad too soon.
1. Store Whole Squash in a Cool, Dark Place
Keep whole spaghetti squash in a cool, dry spot like a pantry, basement, or cellar.
The ideal temperature is between 50°F and 60°F.
Avoid storing it near onions, potatoes, or apples, since those release ethylene gas that can speed up spoilage.
2. Refrigerate Cut or Cooked Squash
Once spaghetti squash is cut or cooked, it needs to go in the fridge.
Store it in an airtight container or wrap it tightly with plastic wrap.
Use it within 3 to 5 days for the best quality and taste.
3. Freeze Cooked Squash for Long-Term Storage
If you have more cooked spaghetti squash than you can eat, freeze it.
Spread the cooked strands on a baking sheet and freeze them individually before transferring to freezer bags.
This prevents clumping and makes it easy to grab just what you need later.
Frozen spaghetti squash stays good for up to a year.
So, How Long Before Spaghetti Squash Goes Bad?
Spaghetti squash goes bad after about 1 to 3 months when raw and whole, and within 3 to 5 days once cut or cooked.
The best way to know if your spaghetti squash has gone bad is to check for soft spots, mold, a sour smell, or a slimy texture.
Storing it properly in a cool, dark place or the refrigerator will help it last as long as possible.
So the next time you’re wondering how long before spaghetti squash goes bad, just remember these simple guidelines and you’ll never have to guess again.