Standard Definition

Vegetable storage depends on three factors: temperature, humidity, and ethylene sensitivity. Most vegetables store best in a refrigerator crisper drawer at 35–40°F with moderate humidity. Some vegetables — tomatoes, potatoes, onions, garlic, and winter squash — store better at room temperature and degrade faster when refrigerated. A small number are sensitive to ethylene gas produced by ripening fruit and should be kept away from apples, pears, and bananas.

Default Storage Rule

For most vegetables: refrigerator crisper drawer, unwashed, in a loosely sealed bag or container. Wash immediately before use, not before storage — moisture accelerates decay. The exceptions are tomatoes, onions, garlic, potatoes, and winter squash, which belong on the counter or in a cool dark cupboard.

Vegetable Storage Reference

Vegetable	Storage Location	Shelf Life	Notes
Leafy greens (spinach, arugula)	Refrigerator crisper	3–5 days	Keep dry; store with a paper towel to absorb moisture
Kale, chard, collards	Refrigerator crisper	5–7 days	Hardier than tender greens; stems keep longer than leaves
Broccoli	Refrigerator crisper	3–5 days	Keep away from apples and pears (ethylene sensitive)
Cauliflower	Refrigerator crisper	5–7 days	Store stem-side down; keep dry
Brussels sprouts	Refrigerator crisper	5–7 days	On the stalk keeps longer than loose
Zucchini and summer squash	Refrigerator crisper	5–7 days	Do not wash before storage
Bell peppers	Refrigerator crisper	1–2 weeks	Whole peppers keep longer than cut
Carrots	Refrigerator crisper	2–3 weeks	Remove tops before storing; tops draw moisture from roots
Celery	Refrigerator crisper	1–2 weeks	Wrap in foil to maintain crispness longer than plastic
Cucumber	Refrigerator (warmer zone)	5–7 days	Cold-sensitive; store at 50–55°F if possible, not in crisper
Tomatoes	Counter, room temperature	3–5 days ripe	Refrigeration destroys texture and flavor; never refrigerate
Onions	Cool, dark, dry cupboard	1–3 months	Keep away from potatoes; store in mesh or open container
Garlic	Cool, dark, dry cupboard	1–2 months	Keep whole heads until use; broken heads use within 10 days
Potatoes	Cool, dark, dry cupboard	2–5 weeks	Keep away from onions; light causes greening (solanine)
Sweet potatoes	Cool, dark cupboard	2–4 weeks	Do not refrigerate; cold converts starch to sugar unevenly
Winter squash (butternut, acorn)	Cool, dark cupboard	1–3 months	Keep whole and dry; cut squash refrigerates for 5–7 days
Asparagus	Refrigerator, upright in water	3–5 days	Trim ends and stand upright in a jar with 1 inch of water
Fresh herbs (parsley, cilantro)	Refrigerator, upright in water	1–2 weeks	Trim stems, store upright in water like cut flowers, cover loosely
Fresh herbs (basil)	Counter, room temperature	5–7 days	Cold-sensitive; refrigerator turns basil black
Mushrooms	Refrigerator, paper bag	5–7 days	Paper bag absorbs moisture; plastic bags cause sliminess
Corn	Refrigerator crisper	1–2 days	Sugars convert to starch quickly; use as soon as possible
Green beans	Refrigerator crisper	5–7 days	Keep dry and unwashed
Peas (fresh or shelled)	Refrigerator crisper	3–5 days	Sugar converts to starch quickly; use promptly

Source Note

Source: USDA Food Safety guidelines and standard post-harvest handling references.

Functional Distinctions

Ethylene-sensitive vegetables should be stored away from ethylene-producing fruits (apples, pears, bananas, avocados). Broccoli, cauliflower, leafy greens, and carrots are the most sensitive. Proximity accelerates yellowing and softening.

Washing before storage shortens shelf life for almost all vegetables. Moisture on the surface promotes bacterial growth and decay. The only exception is produce stored upright in water (asparagus, fresh herbs), where the water contact is at the cut stem end only.

Cut vegetables always store for less time than whole vegetables. A whole carrot keeps 2–3 weeks; a cut carrot keeps 4–5 days. Whole bell pepper keeps 1–2 weeks; halved pepper keeps 3–4 days. Plan cutting around use, not storage.

Connects To

Bottom Line

Most vegetables belong in the refrigerator crisper, unwashed, until use. Tomatoes, onions, garlic, potatoes, and winter squash belong on the counter or in a cool dark cupboard. Do not wash before storing. Cut vegetables always keep for less time than whole ones.