Skip to content
Gunther Heller

How Long Do Zucchini and Summer Squash Last?

Fridge, freezer, counter · last verified November 2026

  • Shelf-stable
  • Freezes well
Illustration of zucchini and summer squash
Zucchini and summer squash Per USDA FoodKeeper
Counter
1–5 days
cool, dry place
Fridge
4–5 days
at or below 40°F (4°C)
Freezer
10–12 months
at 0°F; quality, not safety
Quick answer

Zucchini and summer squash last 1–5 days in the pantry, 4–5 days in the fridge, and 10–12 months in the freezer.

At a glance

Shelf life at a glance

Counter
1–5 days
Fridge
4–5 days
Freezer
10–12 months

Bars show the longest recommended time for each place. Scale runs from 1 hour to 2 years.

How perishable is it?
Use within days
  1. 1
  2. 2
  3. 3
  4. 4

Based on the longest fridge or pantry time.

It's been in the fridge for…
Tap a time to check.
Still good

About 2–3 more days in the fridge.

Still good

About 1–2 more days in the fridge.

Use it today

It's inside the safe window but near the end. Eat it today or freeze it now.

Throw it out

Past the recommended fridge time. Even if it looks and smells fine, throw it out.

Throw it out

Past the recommended fridge time. Even if it looks and smells fine, throw it out.

Counted from the day it was cooked, opened or bought. Assumes a fridge at 4 °C (40 °F) or colder.

Meal prep

Your zucchini and summer squash fridge countdown

Day 0 is the day it was bought.
  1. Open
    0
  2. Day
    1
  3. Day
    2
  4. Day
    3
  5. Day
    4
  6. Day
    5
  7. Day
    6
  8. Day
    7
● Still good● Use it today● Throw it out

Based on the USDA FoodKeeper fridge window at 4°C (40°F) or colder.

Every method

Zucchini and summer squash storage times by method

MethodDurationTemperatureContainerNotes
Pantry / counter1–5 days68–72°FAirtightcool, dry place
Refrigerator4–5 days≤ 40°F / 4°CAirtightat or below 40°F (4°C)
Freezer10–12 months0°F / -18°CFreezer bag or wrapat 0°F; quality, not safety
Where to keep it

Where to store zucchini and summer squash

Freezer Top shelf Middle shelf Bottom shelf Crisper drawer Door
Best spot
Crisper drawer

The crisper drawer holds humidity, which keeps produce from wilting.

Question by question

Zucchini and summer squash shelf life, answered

How long do zucchini and summer squash last in the fridge?

4–5 days at 4°C (40°F) or colder. Keep it sealed so it does not pick up moisture or odours.

How long do zucchini and summer squash last in the freezer?

10–12 months for best quality at -18°C (0°F). Frozen food stays safe indefinitely; after that, texture and flavour fade.

How long do zucchini and summer squash last at room temperature?

1–5 days in a cool, dry place.

How long is zucchini and summer squash good for past the expiration date?

Zucchini and summer squash past their best-by date are usually safe if stored well; check smell, look and taste before using.

How can you tell if zucchini and summer squash are bad?

Fermented, sour or musty odour. Soft, mushy or leaking spots, or wrinkled skin with soft flesh. Dark bruising that spreads, or browning inside.

Check before you eat

Signs zucchini and summer squash have gone bad

Smell

Fermented, sour or musty odour.

Texture

Soft, mushy or leaking spots, or wrinkled skin with soft flesh.

Colour

Dark bruising that spreads, or browning inside.

Mould

White, grey or green fuzz — discard soft produce; cut firm produce generously.

Do zucchini and summer squash go bad? Full guide →

Freezing

Can you freeze zucchini and summer squash?

Yes — freezes wellQuality holds for about 10–12 months at 0°F / -18°C. Frozen food stays safe indefinitely; only quality declines.
  1. 1Step 1

    Wash, dry and cut into pieces; blanch most vegetables for 1–3 minutes first.

  2. 2Step 2

    Spread on a tray to freeze individually, then bag and press out air.

  3. 3Step 3

    Use from frozen in cooking or smoothies; thawed produce is soft.

How to freeze and thaw zucchini and summer squash →

Thawing

How to thaw zucchini and summer squash

In the fridge

Move it to the fridge the night before; texture holds best.

At room temperature

Only for shelf-stable foods; perishable food should not thaw on the counter.

From frozen

Many foods go straight into soups, sauces, smoothies or the oven.

The 2-hour rule

Zucchini and summer squash left out overnight

Zucchini and summer squash are shelf-stable. A night on the counter is fine — keep them cool, dry and away from sunlight.

Date labels

Best-by and use-by dates on zucchini and summer squash

Best-by and sell-by

FoodKeeper gives unopened zucchini and summer squash 1–5 days in the pantry or 4–5 days in the fridge, counted from the day you buy it. "Best-by" and "sell-by" describe quality and stock rotation, not safety; only infant formula carries a federally required use-by date.

Past the date

Zucchini and summer squash past their best-by date are usually safe if stored well; check smell, look and taste before using.

Storage tips

How to store zucchini and summer squash

  • Store unwashed; wash just before eating.
  • Keep ethylene producers (apples, bananas, avocados) away from produce that over-ripens.
  • Refrigerate once cut, in a covered container.
How it compares

Zucchini and summer squash vs similar foods

Longest recommended storage time (fridge, or pantry for shelf-stable foods)

Same scale as the timeline above: 1 hour to 2 years.

Got something else in the fridge?

Check any food in seconds: when your leftovers expire, and whether something left out is still safe.

Keep exploring

Similar foods

All vegetables → Can you freeze… hub → Leftover calculator →Freezer time calculator →Left-out checker →

Questions people ask

Zucchini and summer squash FAQ

How long do zucchini and summer squash last in the fridge?
Zucchini and summer squash last 4–5 days in the fridge at 40°F (4°C) or below, according to USDA FoodKeeper.
Can you freeze zucchini and summer squash?
Yes. Quality holds for about 10–12 months at 0°F / -18°C. Frozen food stays safe indefinitely; only quality declines.
Do zucchini and summer squash need to be refrigerated?
Not for safety. Zucchini and summer squash last 1–5 days in a cool, dry pantry.
How can you tell if zucchini and summer squash have gone bad?
Smell: fermented, sour or musty odour; Texture: soft, mushy or leaking spots, or wrinkled skin with soft flesh; Colour: dark bruising that spreads, or browning inside.
Do zucchini and summer squash go bad past the date?
Zucchini and summer squash past their best-by date are usually safe if stored well; check smell, look and taste before using.
Where do these numbers come from?
USDA FoodKeeper, the storage database maintained by the Food Safety and Inspection Service. We last checked this page in the current release.
Numbers on this page come from USDA FoodKeeper and FSIS guidance. Last verified November 2026. How we verify our data · Report a wrong number