How to Dehydrate Vegetables

Here's how to dehydrate vegetables - the easy way. Listed below are our top choices... and I keep adding more too so bookmark this page!

ehydrated onion, carrots, beets, zucchini, and red peppers

Click any of the images below and read all about that individual vegetable and how to dehydrate the veggie properly.

dehydrating broccoli
dehydrating brussels sprouts
dehydrating butternut squash
dehydrating cabbage
dehydrating carrots
dehydrating cauliflower
dehydrating celery
dehydrating corn
dehydrating garlic
dehydrating green beans
dehydrating kale
dehydrating mushrooms
dehydrating onions
dehydrating peas
dehydrating peppers
dehydrating potatoes
dehydrating pumpkin
dehydrating spinach
dehydrating tomatoes
dehydrating zucchini
dehydrating broccoli
dehydrating brussels sprouts
dehydrating butternut squash
dehydrating cabbage
dehydrating carrots
dehydrating cauliflower
dehydrating celery
dehydrating corn
dehydrating garlic
dehydrating green beans
dehydrating kale
dehydrating mushrooms
dehydrating onions
dehydrating peas
dehydrating peppers
dehydrating potatoes
dehydrating pumpkin
dehydrating spinach
dehydrating tomatoes
dehydrating zucchini

Whether you're looking to dehydrate frozen vegetables, or fresh from the grocery store—or straight from your garden—it's an easy and convenient way to preserve your harvest.

Also you have healthy snacks on hand—all year round!

TOP Frequently Asked Questions:

How to dehydrate vegetables? ... (top question!)

You're at the right place to learn how to dehydrate vegetables. Keep reading!

Dehydrating vegetables for chips?

Dehydrating vegetables into crunchy, flavorful chips is easy to do at home. Here's what you need to know:

Best Veggies for Chips:

  • Root veggies: sweet potatoes, white potatoes, beets, parsnips, carrots
  • Other good options: zucchini, kale, green beans, okra, eggplant, chickpeas

Prep Tips:

  • Wash thoroughly and peel if desired (skins = extra fiber!)
  • Slice thinly and uniformly for even drying
  • Pat very dry before dehydrating
  • Lightly oil slices and season as desired (salt, chili, garlic powder, onion, ranch, etc)

Dehydrate at 135°F for 6-10 hours:

  • Flip chips over mid-way through
  • Check frequently toward the end to avoid burning
  • Fully dried when slightly shrunken and 100% crispy


Enjoy your crispy homemade veggie chips as healthy snacks, salad toppers, or party appetizers!

Are dehydrated vegetables healthy?

Yes, they are totally healthy. In fact, by dehydrating them you'll have more nutrients remaining than if you just simply placed the fresh veggies in the refrigerator. How neat is that?

When fully dehydrated, they become more concentrated in vitamins and minerals. This is because the water inside the vegetable evaporates, leaving behind the trace elements.

How about dehydrated vegetables shelf life?

The shelf life for properly dehydrated vegetables depends on a few factors, but here are some general guidelines if stored correctly:


  • Dehydrated fruits like apples, strawberries, pineapple, mango, etc can typically last 9-12 months at room temperature. Keep cool, dark place.


  • When dehydrated adequately with very low moisture and stored in airtight containers, most vegetables can last 12-18 months at room temp.

Leafy Greens:

  • Spinach, kale, and other greens may only last 4-6 months maximum when dehydrated before quality degrades.

For best results, store dehydrated vegetables in either airtight glass jars or plastic containers (depending on humidity), away from light and heat. Check periodically for moisture and insect infiltration. Properly dried and sealed veggies can retain great flavor and nutrition for over a year!

Dehydrating frozen vegetables?

Yes, it's easy to dehydrate frozen veggies, and guess what? You actually save a step. You can skip the conditioning step because the manufacturers of the frozen veggies did that step for us in their preparation for sale!

Top of the list:

  1. Corn
  2. Peas
  3. Green Beans
  4. Broccoli
  5. Bell Peppers
  6. Carrots
  7. Tomatoes

Thaw the vegetables before dehydrating them.

Spread the vegetables in a single layer on the dehydrator trays. This helps them dry more evenly and faster!

See my individual veggie pages above these FAQs for how to prep and how long they take, and when you know they're done.

How to Dehydrate Vegetables - 3 Ways

This is where it all starts when dehydrating vegetables for snacks or storage:

Three methods can be used to dehydrate vegetables: air drying, solar drying, and using a dehydrator.

Air Drying: This is the oldest and most traditional method of drying foods. Air-dry indoors or outdoors, depending on the climate and time of year.

Solar Drying: Solar drying is a great way to dehydrate food if you live in a warm, dry climate. Solar dryers can be purchased or made at home.

Sliced zucchini on a Nesco dehydrator

Dehydrator: These are electric appliances that are specifically designed for drying foods.

They come in a variety of sizes and types, so it is important to choose one that will fit your needs (such as counter space, family size).

Call me biased but electric dehydrators are the way to go for ease of use and overall consistency in drying.

Can You Dehydrate Frozen Vegetables, Such as Green Beans?

Yes! Green beans are a great choice! It is often easier to dehydrate the frozen variety than fresh ones.

Frozen vegetables are already blanched (a process of scalding in boiling water or steam to kill enzymes. More about blanching later on), so they do not need to be blanched before dehydrating.

Simply place them on the trays and dehydrate them according to the vegetable's individual dehydrating steps listed inside my top vegetables (click on their links in the red boxes at the top of the page to learn all about that particular vegetable).

Frozen veggies take less time to dehydrate than fresh ones. Start checking for 'doneness' after about 6 hours for most vegetables.

Using Frozen Veggies? Got Clumps?

Before opening your bag of frozen veggies, throw the bag onto your kitchen countertop a few times to loosen any frozen clumps.

After doing that and you sill have a few persistent clumps, run the clump under cold water for a few seconds and that will make it easy to break apart.

Or even easier than that? Leave the bag of frozen vegetables unopened in your kitchen sink for about an hour and they'll be good for slicing, if necessary (for tallish items like full cauliflower or broccoli florets that might not fit between your dehydrator trays).

How to Blanch Vegetables Ready for Dehydrating

Some vegetables should be blanched before dehydrating. Learn more about blanching here. Blanching also helps to retain the color and flavor of the vegetables.

Leafy greens and cabbage do not need to be blanched before dehydrating.

Prep Now, Save Time Later!

Vegetable soup (with added chicken)

After you've brought your fresh veggies indoors, wash, slice and dice, and dehydrate them right away.

Trust me, this saves you valuable prep time in the kitchen at mealtimes later on!

With everything ready to go, it's easy to cook up a very satisfying vegetable soup in less than ten minutes tops!

Using Lemon Juice (or Ascorbic Acid)

When dehydrating vegetables, like fresh carrots, they need a generous spray of lemon juice. We use lemon juice as an acceptable substitute for ascorbic acid, which is used by professional dehydrating plants. Lemon juice works wonderfully!

Two main reasons for spraying with lemon juice are to prevent them from browning. This is known as 'oxidation.'

The second reason for spraying with lemon juice is it helps prevent bacterial growth during drying.

Dehydrated Veggies are Dry When...

... they don't stick together!

After dehydrating your veggies and you think they are dry enough—place them in airtight bags (such as Ziploc bags). Let them hang around your kitchen for a day or overnight. This step is known as conditioning.

People often miss this important step when learning how to dehydrate vegetables. This step enables the air and any moisture in the bag to distribute evenly—so that the dehydrated vegetables will be ready for vacuum sealing!

This is step four of the Six Steps. Learn the Six Simple Steps by opting into our free special seven-part mini-series.

The shelf life of dried food varies on your method of storing. To learn more about how to safely store your goodies, read all about Safe Food Storage here.

You'll learn about vacuum-sealer bags, Mylar bags, oxygen absorbers, and more. Using oxygen absorbers greatly increases the shelf life.

For long-term storage, follow our guide at the above link (the "Safe Food Storage" red link).

Dehydrating Vegetables for Backpacking

backpacking guy toting green beans for a healthy snack

Once you've mastered the art of dehydrating vegetables, you'll appreciate that it is a fun and easy way to add healthy snacks to your backpacking menu. Not only are dried vegetables lightweight and easy to store, but they also pack a powerful punch of nutrients.

When selecting vegetables for dehydration, look for firm, ripe produce that is free from blemishes or damage. Wash the vegetables thoroughly, then slice them into thin pieces that will dry evenly.

For best results, dehydrate the vegetables in a food dehydrator or oven set to a low temperature. Once dried, the vegetables can be stored properly in an airtight container and enjoyed as needed.

Dried veggies make a great backpacking snack that is both nutritious and delicious. Also, check out Chef Glenn's backpacking tips!

Are Dehydrated Vegetables Good for Dogs?

trio of happy lip-smacking dogs

Dried vegetables are a great way to add nutrition and variety to your dog's diet. Dogs love the taste, and dried veggies are a healthy and nutritious treat.

ONE CAVEAT: NO ONIONS, ever. They're poisonous to dogs.

Dehydrated vegetables are a good source of fiber, vitamins, and minerals. They are also low in calories and fat, and they are a healthy snack for dogs.

You can dehydrate your own vegetables at home, or you can purchase dehydrated vegetables from a pet store.

Use A Dehydrator Designed for Dehydrating Food

When dehydrating vegetables, use a dehydrator! Dry vegetables by placing them in the dehydrator on a low setting for 12-24 hours.

Once the vegetables are dehydrated, add them to your dog's food or give them as a treat. Personally, I rehydrate them first. Dehydrated vegetables are a healthy and delicious way to add nutrition and variety to your dog's diet, plus is easier on their teeth and gums if you rehydrate them first. This is a great way to add some extra nutrients and fiber to your dog's diet.

If you are more "hands-on," you may want to try making your own dog food by reading how to Make Your Own Dog Food here.

How Long Do Dehydrated Vegetables Last?

tomatoes drying on a dehydrator tray

It's interesting to note that dried vegetables won't last as long as dried fruits. Why is that?

Fruits naturally contain more sugar and acids, which act as preservatives inside them.

However, when you learn to dehydrate vegetables properly and also store them the right way after dehydrating, they last for months, if not years - again - if you dry them the right way.

Follow our Six Simple Steps and be sure you do it right!