Cucumber
Crisp, hydrating cucumbers with a cool, mild flavor and crunchy texture.
Storage
Store unwashed in a perforated plastic bag in the crisper drawer, ideally. Washing should be done just before use. Keep them away from tomatoes, melons, and bananas, which speed up yellowing. Use within a week for best texture.
Keeps For
About a week in the fridge under normal conditions; 10–14 days if the cucumbers were fresh when you got them. Quality drops fast after that—skin wrinkles, flesh gets watery, ends go slimy.
Flavor Profile
Fresh-picked cucumbers are crisp, mildly sweet, and juicy, with a clean grassy aroma that's faintly watermelon-adjacent (they're related). Thin-skinned varieties like English, Persian, and Asian cucumbers are tender and nearly seedless. Standard slicing cucumbers have thicker skin and more seeds, but keep longer. Pickling varieties are smaller, firmer, and bumpy—built to hold their crunch in brine. Waxed, plasticized grocery-store cucumbers taste noticeably duller than fresh ones because they are picked underripe and bred for longevity.
How to Prep
Rinse and trim the ends—bitter compounds concentrate at the stem end, so trim an extra half-inch if you've hit a bitter one. Peel only if the cucumber is waxed or the skin feels tough, which is common with "slicer" varieties. For less water in salads, salt the slices and let them drain in a colander for 20–30 minutes. For Chinese-style smashed cucumber salad, whack the whole cucumber with the flat of a knife or a rolling pin before tearing into chunks—the rough edges absorb dressing better than clean cuts. I've even seen old-school chefs break cucumbers apart with a rock instead of cutting for extra smashiness.
Ways to Cook
- 1 Slice thinly into salads or sandwiches
- 2 Smack and tear into chunks for Chinese-style cold salads
- 3 Spiralize into 'noodles' for chilled dishes
- 4 Quick-pickle in vinegar brine
- 5 Blend into dips like tzatziki
- 6 Infuse into water with mint or lemon
- 7 Grill or sauté briefly with butter and dill
Pairs Well With
Good to Know
Soft spots, yellowing skin, or wrinkling all mean decline. A yellow cucumber is usually still safe to eat, but the flavor drops off and the flesh gets watery. Wax-coated grocery cucumbers need peeling. Bitterness is from stress compounds (cucurbitacin) that concentrate at the stem end—trim an inch off and peel if needed. If the whole cucumber is soft or slimy, compost it.
Did You Know?
Cucumbers are over 95% water and are botanically a fruit—specifically a berry, which tends to surprise people. They're in the gourd family along with melons, squash, and watermelon, which explains that clean, watermelon-adjacent aroma when they're fresh. First cultivated in India more than 3,000 years ago.
Recipe Inspiration
Common Questions About Cucumber
Should I refrigerate cucumbers?
Yes, but not too cold. The crisper drawer around 50°F is ideal. Standard fridge temps are fine for a week or so, but cucumbers are cold-sensitive—prolonged storage below 50°F can cause pitting and wateriness. Keep them away from ethylene producers like tomatoes, which speed up decay.
Can you freeze cucumbers?
Technically yes, but they won't be the same. Freezing breaks down their cell structure, so thawed cucumbers are mushy—not great for fresh eating. Frozen cucumber works for smoothies, infused water, or blending into gazpacho. If you have a surplus, quick pickling is a better preservation method.
Can you eat cucumber skin?
Absolutely, and you should if it's unwaxed. The skin has fiber and nutrients, plus it adds texture. Farm cucumbers typically aren't waxed—grocery store ones often are. If your cucumber has that shiny coating, peel it. Otherwise, a good rinse is all you need.
Why are my cucumbers bitter?
Variety is the biggest culprit. Older style cucumbers, like slicers with thick skin, tend to have more bitter compounds. It can also come from stress—hot weather, irregular watering, or the plant getting too mature. The bitter compound (cucurbitacin) concentrates in the stem end and just under the skin. Try trimming an inch off the stem end and peeling. Using it in a dish with salt, oil, and a touch of sugar can help mask any bitterness.
Why do cucumbers make me burp or feel gassy?
Cucumbers contain cucurbitacin, which can cause digestive irritation in some people. The skin is often the culprit—try peeling and seeding them. Eating cucumbers with fatty foods (like yogurt-based dips) can also help. Some people are just more sensitive than others. Or try thinking skinned varieties, which just have less skin and thus less cucurbitacin.
Why are my cucumbers slimy?
Slime means they're breaking down—that's spoilage starting. It usually begins at the ends or where there's damage. If just one spot is slimy, cut it off generously and use the rest immediately. If the whole cucumber is soft or slimy, compost it.
Is cucumber a fruit or vegetable?
Botanically it's a fruit—it develops from a flower and contains seeds. Culinarily, we treat it as a vegetable. Same deal as tomatoes and squash. The distinction matters more to botanists than cooks.
What cucumbers are best for pickling?
Pickling varieties like Kirby or Boston pickling cucumbers work best—they're smaller, firmer, and have bumpy skin that absorbs brine well. Slicing cucumbers (the long ones) can be pickled, but tend to get softer. Whatever you use, pickle them fresh—older cucumbers make mushy pickles. That being said, pickle whatever you have around. Unless you're really sensitive to the texture, you'll enjoy the results. We mainly pickle Asian long-style cucumbers because we think the flavor is superior, though we do give up a little crunch.
Can you cook cucumbers?
Yes, though it's uncommon in American cooking. Sautéed cucumber with butter and dill is excellent—it becomes silky and mild, almost like a summer squash. Asian cuisines often stir-fry cucumber briefly. Keep cook times short; they turn mushy fast.
What's the difference between regular and English cucumbers?
English cucumbers (the long, plastic-wrapped ones) have thinner skin, fewer seeds, and are less bitter—no peeling needed. Regular slicing cucumbers have thicker, often waxed skin and more seeds. Both work fine; English cucumbers are just more convenient for raw eating. We actually prefer the flavor of Asian-long-style cucumbers to English cucumbers, but they have bumpy skin that can damage the plastic packaging commercial English cucumbers are shipped in, which is why you never see them in the grocery store.
How do you keep cucumbers fresh?
Don't let them get surface moisture. Perforated plastic bag in the crisper drawer, away from tomatoes, melons, and bananas (those speed up yellowing). Use within a week. Cucumbers want moderate humidity, cold but not freezing (below 40°F they start pitting), and no exposure to ethylene gas—a bag with a few holes handles all three. If cucumbers go bad before you can eat them, the real fix is buying fewer at a time. For the fussier long-life tricks, see our guide on keeping produce fresh longer.
How long do cucumbers last in the fridge?
About a week under good conditions; 10-14 days if the cucumbers were fresh when you got them and your crisper is set right. Past that, the skin wrinkles, the flesh gets soft and watery, and the ends turn slimy. Waxed grocery cucumbers can stretch a little longer than farm-fresh ones, but they've usually spent more time in transit before you bought them.
Why are my cucumbers turning yellow?
Yellowing is a sign of decline. It means the cucumber sat too long on the vine, too long in storage, or spent time near ethylene-producing fruit like tomatoes, bananas, or apples. A yellow cucumber is usually still safe to eat, but the flavor drops off, and the flesh gets watery. If it's yellow and soft or slimy, compost it. Early in the season, you might see "yellow-bellied" cucumbers. This is caused by the cucumber resting on the ground before they climb their trellis. They are perfectly fine to eat.
Why are cucumbers wrapped in plastic at the grocery store?
To pad corporate profits. Everyone loves thin-skinned cucumbers, but they don't ship well. If you want to ship them from parts of the world with the cheapest labor costs, you need them to last an extra couple of weeks in transit. The plastic wrap buys another week or two of shelf life. This is why you should buy your cucumber locally. Local farms can get you a better cucumber without any plastic.
Should I peel cucumbers for salad?
Depends on the cucumber. Farm-fresh or English cucumbers have tender skin and don't need peeling—the skin adds texture and a little extra flavor. Waxed grocery cucumbers should be peeled; the wax is food-safe but unpleasant. Thick, bumpy pickling cucumbers can go either way. If you're not sure, try a small slice with the skin on and peel if you don't like it.
What cucumber is best for salad?
Don't let anyone tell you that you need a magic cucumber for salads. Use the cucumber you have and buy what you like. Our go-tos are Asian-long styles like Tasty Green. Persian cucumbers are smaller and slightly sweeter. English cucumbers are similar and fast to prepare. Standard slicing cucumbers have a more melon-forward flavor; just peel if the skin is thick. If you're worried about moisture, salt them for about 20 minutes, then drain the liquid out. You'll end up with a tighter dressing, particularly if you expect leftovers.
What cucumber is best for sushi?
Again, no magic bullet here. You can use anything. English or Persian cucumbers are more common. Cut into matchsticks about the length of a nori sheet. If you only have slicing cucumbers, peel them and scoop the seeds with a spoon before cutting. This is one place where I prefer a slicer because I like the melony aromatics they bring alongside fish.
Why do cucumbers taste like watermelon sometimes?
Because they're related. Cucumbers, watermelon, and cantaloupe are all in the gourd family (Cucurbitaceae) and share some of the same aromatic compounds. More mature fruit, particularly slicers, tend to have a flavor much like melon rind.
Is cucumber a fruit, vegetable, or berry?
Technically all three, which is why people get confused. Botanically a cucumber is a fruit—it develops from a flower and contains seeds. More specifically, it's a berry (a pepo, the same category as watermelon and pumpkin). Culinarily, we treat it as a vegetable because it's savory. The distinction matters more to botanists than cooks.
Why do cucumbers scare cats?
At a guess, it's probably something related to a fear of snakes, particularly if it surprises them. Some cats are prone to this, whereas our cats will sit in a crate of cucumbers. I did have a cat once that would flee in terror at the sight of pool noodles, and I'm guessing that's a similar phenomenon.
Why is my homemade pickled cucumber mushy?
If you are lacto-fermenting your pickles (just adding salt and not hot-processing), they will eventually turn soft. If you are hot-pkacing, the big things that affect texture are variety, maturity, cooking time, and additives. If you really care about pickle crunch, look for varieties grown for crunch, and ideally get them before they reach peak ripeness. When searching for recipes (always use a trusted source), look for recipes with lower temperatures and shorter cook times. You can also add additives to increase crunch, but we don't touch the stuff.
How do you make quick pickled cucumbers?
Slice cucumbers thinly, pack into a jar with garlic, dill, and any other spices you want. Make a brine of one part white vinegar to one part water with a tablespoon or two each of sugar and salt per cup of liquid. Bring the brine to a boil, pour over the cucumbers, let cool, then refrigerate. Ready to eat in an hour, great after 24 hours, good for a couple of weeks in the fridge. These aren't shelf-stable—you'd need proper canning for that.
Can you eat cucumbers at night?
Yes. The 'don't eat cucumbers at night' thing is a folk belief that doesn't have much behind it. Some people find raw cucumbers hard to digest, and if you eat a lot right before bed, you might feel bloated or wake up to pee from all that water content—but that's true of any high-water food. If they don't bother you, eat them whenever you want.
Do cucumbers cause gas or bloating?
They can for some people. Cucumbers contain cucurbitacin (the same compound that makes bitter cucumbers bitter) which can cause digestive irritation. The skin and seeds are often the culprits—peeling and seeding can help. Eating them with fatty foods like yogurt dips also tends to ease digestion. If cucumbers consistently upset your stomach, try different varieties (English or Persian tend to be easier on digestion than standard slicing cucumbers).