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Vegetables

How long does zucchini last?

Green summer squash.

Quick answer
Fridge (40°F / 4°C)
1 week
Crisper drawer
Freezer (0°F / -18°C)
1 year
Shred and freeze for baking
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Zucchini shelf life chart

All times are best-quality guidelines based on USDA FoodKeeper and FDA storage data. Actual shelf life depends on temperature stability, packaging, and how the food was handled.

StorageTime
Refrigerator (40°F / 4°C)1 week
Freezer (0°F / -18°C)1 year

Can you freeze zucchini?

Yes — zucchini freezes well for up to 1 year at 0°F (-18°C). Shred and freeze for baking

Tips for freezing:

  • Use airtight, freezer-safe containers or bags — squeeze out as much air as possible to prevent freezer burn.
  • Label and date everything. Frozen food all looks the same after a few weeks.
  • Freeze in portion sizes you'll actually use — refreezing thawed food is generally not recommended.
  • Thaw in the fridge overnight, never on the counter — bacterial growth restarts above 40°F.

What to do if…

What if my zucchini is past the printed date?
"Best by," "sell by," and "use by" dates are quality indicators, not safety deadlines. Zucchini is often still safe past the printed date if stored properly and showing none of the spoilage signs above. Use your senses — sight, smell, texture — and the storage times listed in this guide.
What if it smells weird but looks fine?
Trust your nose. Smell is one of the most reliable indicators of spoilage — your nose evolved specifically to detect dangerous food. If zucchini has any sour, ammonia-like, sulfur, or "off" smell beyond its normal aroma, discard it. Visible mold or texture changes confirm the warning.
Is zucchini still safe after the recommended freezer time?
Frozen foods stay technically safe indefinitely at 0°F (-18°F) — bacteria can't multiply at freezing temperatures. The recommended 1 year is for **best quality**: after that, you'll notice freezer burn, texture changes, and flavor loss, but the food is still safe to eat if continuously frozen.

Can expired zucchini make you sick?

Yes — but the printed date isn't the trigger. Foodborne illness comes from bacterial growth (Salmonella, E. coli, Listeria, Staphylococcus) or fungal toxins, which depend on storage temperature and time, not the calendar date on the package.

Symptoms of food poisoning typically appear within 6–48 hours and include nausea, vomiting, diarrhea, stomach cramps, and fever. Severe cases — especially in young children, elderly, pregnant, or immunocompromised people — warrant medical attention. The safest practice: when in doubt, throw it out.

Frequently asked questions

How long does zucchini last in the fridge?
1 week at 40°F (4°C). Crisper drawer
How can I tell if zucchini has gone bad?
Look for: Soft, mushy; Wrinkled skin; Brown spots.
Can I eat zucchini past the "best by" date?
"Best by" is a quality date, not a safety date. As long as zucchini has been stored properly and shows no spoilage signs, it's usually safe to eat — but quality may have declined. Use your senses to judge.

Related shelf-life guides

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How long does tomatoes last?
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How long does lettuce last?
🥕
How long does carrots last?
🥦
How long does broccoli last?
🥔
How long does potatoes last?
🧅
How long does onions last?

Signs zucchini has gone bad

  • •Soft, mushy
  • •Wrinkled skin
  • •Brown spots

Storage tips

  • ✓Don't wash until use
  • ✓Wrap in paper towel
  • ✓Shred + freeze for zucchini bread
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More vegetables

🍅
Tomatoes
2 weeks fridge
🥬
Lettuce
10 days fridge
🥕
Carrots
4 weeks fridge
🥦
Broccoli
10 days fridge
🥔
Potatoes
not recommended fridge
🧅
Onions
2 weeks fridge
Sources & review
Compiled by the BestByDates editorial team. Last reviewed: January 2025. Spotted an error? Let us know.

Disclaimer: Times shown are USDA/FDA-recommended best quality periods, not absolute safety guarantees. Storage conditions, packaging, and food handling all affect actual shelf life. When in doubt, throw it out.