How to Store Kohlrabi (Fridge, Cellar, Freezer)

Kohlrabi is one of the better-keeping vegetables you can buy. A whole, unpeeled bulb stays firm and crisp far longer than most produce — weeks in the fridge, months in a root cellar. But storage method matters, and a few small mistakes can cut that shelf life in half.

Here’s how to get the most out of every bulb.

First Thing: Remove the Leaves

This applies regardless of how you store the kohlrabi. Those leafy greens attached to the bulb are drawing moisture out of it from the moment of harvest. They wilt fast and accelerate the bulb’s decline.

Cut the leaves off where they meet the bulb. Don’t rip them — a clean cut reduces the wound site.

Save the leaves if they look fresh and vibrant. Kohlrabi leaves are edible and nutritious, and good sautéed or in soup. But store them separately, wrapped loosely in a damp paper towel inside a bag. They’ll last 2-3 days in the fridge, nowhere near as long as the bulb itself.

Refrigerator Storage (2-3 Weeks)

This is the standard method for most home cooks, and it works well.

How to Do It

1. Remove the leaves (see above).
2. Don’t wash the bulb yet — moisture on the surface promotes mold. Brush off any visible dirt.
3. Place the bulb in a plastic bag or reusable produce bag. Leave the bag slightly open or poke a few small holes — you want some airflow to prevent condensation buildup, but enough enclosure to retain humidity.
4. Store in the crisper drawer of your refrigerator.

That’s it. The bulb will stay firm and crisp for 2-3 weeks, sometimes longer if it was very fresh when you bought it.

What to Avoid

Don’t store kohlrabi loose on a shelf. The open air of the main fridge compartment is too dry. The bulb will dehydrate, turning spongy and developing a rubbery outer layer within a week.

Don’t seal it airtight. A fully sealed bag traps ethylene gas and condensation, which leads to soft spots and mold. You need a little breathing room.

Keep it away from ethylene-heavy fruits. Apples, bananas, and tomatoes release ethylene gas that accelerates aging in nearby produce. Kohlrabi isn’t extremely sensitive to it, but there’s no reason to push your luck.

Root Cellar Storage (2-3 Months)

If you have a root cellar, unheated basement, or garage that stays between 32-40°F (0-4°C) with moderate humidity, kohlrabi will keep for months. This is how European farmers stored kohlrabi long before refrigeration, and it still works beautifully.

Ideal Conditions

• Temperature: 32-40°F (0-4°C)
• Humidity: 90-95% (high, like you’d want for carrots or beets)
• Darkness: Light isn’t harmful but isn’t necessary. Dark is fine.

Method

Remove the leaves. Don’t wash the bulbs. Pack them in a box or crate lined with damp sand, sawdust, or straw. The bulbs shouldn’t touch each other — the packing material between them prevents any rot from spreading.

Check them every couple of weeks. Pull out any bulb that’s going soft before it affects its neighbors.

Under these conditions, kohlrabi keeps 2-3 months easily. Some growers report 4 months, though quality does gradually decline — the flesh gets drier and slightly woody over time.

Freezer Storage (8-12 Months)

Freezing changes the texture of kohlrabi permanently. The crisp, snappy quality of fresh kohlrabi doesn’t survive the freeze-thaw process. What you get instead is a softer vegetable that works well in cooked dishes — soups, stews, casseroles, mashes — but not in raw preparations.

If you’re fine with that tradeoff (and you should be, because frozen kohlrabi in a winter soup is still great), here’s how to do it right.

Quick Method

1. Peel the kohlrabi and cut into 1/2-inch cubes or slices.
2. Blanch in boiling water for 2 minutes.
3. Transfer immediately to an ice bath. Let cool completely.
4. Drain thoroughly and pat dry.
5. Spread pieces on a parchment-lined baking sheet in a single layer.
6. Flash freeze for 1-2 hours until solid.
7. Transfer to freezer bags, squeeze out excess air, label with the date.

The blanching step is not optional. It deactivates enzymes that cause flavor loss, color changes, and mushy texture during freezer storage. Skipping it means you’ll pull out sad, discolored kohlrabi a few months later.

Flash freezing on a sheet pan before bagging prevents the pieces from clumping into one solid block. You’ll be able to grab a handful at a time instead of chiseling off chunks.

Frozen kohlrabi keeps 8-12 months at 0°F (-18°C). It’s safe indefinitely, but quality drops after the one-year mark.

For detailed step-by-step instructions, see our full guide on how to freeze kohlrabi.

Storing Cut Kohlrabi

Once you’ve peeled and cut kohlrabi, the clock speeds up. Exposed flesh dries out faster than the intact bulb.

In the fridge: Place cut pieces in an airtight container. You can add a damp paper towel to maintain humidity, or submerge them in a container of cold water (changing the water every day or two). Cut kohlrabi stored this way stays crisp for 4-5 days.

The water method is especially good if you’re prepping kohlrabi sticks for snacking. They’ll be just as crunchy on day 3 as day 1.

Don’t leave cut kohlrabi at room temperature for more than a couple of hours. It won’t become unsafe quickly, but it starts losing its crispness and takes on a stale flavor.

Signs Your Kohlrabi Has Gone Bad

Kohlrabi deteriorates gradually, so there’s usually a gray zone between “perfect” and “compost bin.” Here’s how to read the signs:

Still fine to eat:

• Slightly soft but not squishy — just peel a bit deeper and use it cooked
• Minor surface blemishes or small dry spots — trim those off
• Leaves are wilted but bulb is firm — the bulb is fine, toss the leaves

Questionable — inspect closely:

• Spongy texture throughout (not just the surface) — the kohlrabi is past its prime. It won’t hurt you but won’t taste good either, especially raw. Use it in a soup if you want to salvage it.
• Slight wrinkling on the surface — it’s dehydrating. Still edible but declining.

Throw it out:

• Mold anywhere on the bulb (don’t just cut around it — mold roots extend deeper than what’s visible)
• Slimy surface
• Strong off-smell — fresh kohlrabi has almost no odor. If it smells sour or fermented, it’s done.
• Dark, mushy spots that go deep into the flesh

Which Storage Method Should You Choose?

It depends on your timeline.

Eating within 2-3 weeks? Fridge. No prep needed beyond pulling the leaves off. This covers most home cooks.

Got a fall harvest or CSA box surplus? Root cellar if you have one. It’s the best method for long-term quality.

Preserving for winter cooking? Freezer. Accept the texture change and plan to use it in dishes where that doesn’t matter.

Already cut it? Container in the fridge, use within 4-5 days.

Kohlrabi is forgiving when it comes to storage. It doesn’t demand special treatment — it just needs a cool environment, a little humidity, and to be left alone. Get those basics right and you’ll waste far less of it.