Can You Freeze Blackberries?

Blackberries, thorny plants in the Rubus genus, known for their dark, edible fruits, are native to North temperate areas. Rich in iron, vitamin C, and antioxidants, they are widely grown in North America and Europe

Unfortunately, many miss out on their extended enjoyment due to improper freezing techniques.

So Can You Freeze Blackberries, And If Yes Then How Do We Freeze It?

Yes, you can freeze blackberries to preserve their freshness for up to 12 months. Wash, dry, spread on a tray, flash freeze, and store in airtight containers. Label with the date and enjoy them in various recipes. A convenient way to savor blackberries year-round. 

How To Freeze Blackberries?

Blackberries are a delicious summer fruit that have a short shelf life. Freezing is an excellent way to preserve fresh blackberries so you can enjoy their flavor all year long. Follow these simple steps for freezing blackberries at peak ripeness.

Selecting Blackberries to Freeze

Choose ripe, fully black berries without mold or mushy spots. Wash and drain the berries, removing any stems or debris. Gently pat them dry with a paper towel or clean dishcloth. Spread the berries in a single layer on a baking sheet or tray, and place them in the freezer for 1-2 hours. This quick freeze prevents the berries from clumping together.

Freezing Methods

There are two main ways to freeze blackberries – loose or in a single layer on trays, and bagged or packed in airtight containers.

Tray Freezing

Once the berries are individually frozen, transfer them to freezer bags or airtight containers, removing as much air as possible. This method makes it easy to take out just the amount you need. Lay the bags flat in the coldest section of your freezer.

Open Container Freezing

In a bowl or baking dish, gently mix your cleaned berries with 1⁄4 cup of white sugar per 1 quart of berries. Spread them out in a single layer and place the uncovered container in the freezer. Once frozen, transfer the berries to an airtight freezer bag or container. The sugar helps maintain texture but is optional.

Storage Times

For best quality and flavor, use frozen blackberries within 8-12 months. Properly stored, they can last up to 1-2 years frozen before becoming discolored or developing freezer burn.

Also Read:   Can you freeze alfredo sauce?

Essential Tips while Freezing Blackberries

Freezing blackberries is a fantastic way to preserve their deliciousness for future use. Whether you picked an abundance of blackberries from your garden or snagged some at the store on sale, knowing how long you can freeze them is essential to maintain their quality.                                                                                                                                                                                    

  • Preparation: Start by washing and drying your blackberries thoroughly. Remove any stems or leaves and let them air dry on paper towels.
  • Packaging: Place the blackberries in a single layer on a baking sheet and freeze them for about two hours. Once they’re individually frozen, transfer them into airtight containers or freezer bags to prevent clumping.
  • Labeling: Don’t forget to label your containers with the date of freezing to keep track of their freshness.
  • Storage: Store the blackberries in the coldest part of your freezer, ideally at 0°F (-18°C), to maintain their quality.
  • Thawing: When you’re ready to use them, you can thaw blackberries in the fridge or use them directly in your recipes while frozen. They’re perfect for smoothies, pies, and jams.

How do I thaw frozen blackberries?

Thawing blackberries is quick and easy. There are a few methods to safely thaw frozen berries for use in recipes, smoothies, or just enjoying their fresh flavor again.

Refrigerator Thawing

For gradual thawing, place frozen blackberries in a bowl or container in the refrigerator. Allow 6-8 hours for a full bag to thaw. Gently break apart any clumps as they thaw. Use within 2 days.

Cold Water Thawing

For faster thawing, seal the frozen berries in a plastic bag. Submerge the bag in a bowl of cold tap water, changing the water every 30 minutes. This can thaw a package of berries in 1-2 hours. Use immediately.

Microwave Thawing

For a quick thaw, place frozen berries in a microwave-safe bowl and microwave in 30 second intervals. Stir gently between intervals to evenly distribute heat. Depending on the amount, this takes 1-4 minutes. Use thawed berries right away.

Baked Goods Thawing

Frozen berries can be used straight from frozen in baked goods like muffins, cakes or pies. The oven heat will thaw and soften them as it bakes. You may need to extend bake time 5-10 minutes.

No matter which method you choose, completely thaw berries before eating them raw or reheating. Do not refreeze thawed berries. Use within 2-3 days for best flavor and texture. Enjoy your thawed summer berries!

Also Read:   Can You Freeze Heavy Cream?

How Long Can I Keep Blackberries in the Freezer?

With proper freezing and storage methods, blackberries can be kept frozen for up to 1 year while maintaining good flavor, texture and nutrition.

Here are some freezing timelines for blackberries:

  • 1-2 months – Optimal flavor and texture retention. Berries will taste freshly picked.
  • 4 months – Very good quality if frozen and stored correctly. Still quite flavorful.
  • 6-8 months – Good condition if protected from freezer burn. Begin to notice some loss of firmness.
  • 10-12 months – Edible quality but some diminishment in taste and moisture. Berries get softer.

Beyond 12 months – Quality declines with more water loss. Blackberries darken and shrivel as they oxidize and lose nutrition. Safe to eat but poor flavor and texture.

The freezer time can vary based on these factors:

  • Storage temperature – Colder freezers preserve better. 0°F is ideal.
  • Container packaging – Airtight rigid containers or vacuum sealing prevents freezer burn.
  • Freezing method – Individual quick freeze and sugar mix-in maintains quality longer.
  • Handling – Gently wash and handle berries to avoid bruising. Don’t thaw and refreeze.

For the best tasting frozen blackberries, use within 8-12 months. Properly stored, they can last up to 1 year frozen before quality really declines.

How To Use Your Frozen Blackberries?

Frozen blackberries are versatile and can be used in both sweet and savory recipes. Here are some delicious ways to use up your frozen berry stash:

  • Smoothies – Toss frozen berries straight into the blender for chilled, frosty fruit smoothies. Great with banana, yogurt, milk or juice.
  • Pancakes or Waffles – Mix frozen berries into whole grain pancake or waffle batter. They’ll bake up tender and juicy.
  • Oatmeal – Stir thawed or frozen blackberries into hot oatmeal along with cinnamon, honey, or other fruit.
  • Yogurt Parfaits – Layer yogurt with granola and frozen berries for a tasty grab-and-go breakfast.
  • Fruit Salads – Thaw and mix berries into fresh green salads with feta, chicken or poppyseed dressing.
  • Salsas – Puree frozen blackberries with onions, jalapeños and cilantro for a unique savory salsa.
  • Sauces – Simmer frozen berries to make syrupy compotes, chutneys, or glazes for meat.
  • Baked Goods – Toss frozen berries straight into muffin, bread, cake or pie dough. Adjust bake times.
  • Jams and Preserves – Use thawed or fresh-frozen berries in homemade jams, compotes, and preserves.

Be sure to thaw the berries or adjust cook times to allow for additional moisture when baking or cooking. Get creative with these sweet, nutritious frozen berries!

Also Read:   Can you freeze cooked cabbage?

How To Tell If Frozen Blackberries Gone Bad?

It’s important to know how to check frozen blackberries for spoilage before eating them. Here are some tips for identifying bad frozen blackberries:

  • Appearance – Shriveled, mushy, or dry-looking berries may be damaged from poor freezing or freezer burn. Mold indicates spoilage.
  • Odor – Frozen berries should not smell rotten, fermented, or unpleasant in any way. Discard at the first whiff of bad odor.
  • Texture – If thawed berries feel slimy or mushy, they are likely spoiled from cell damage. Edible berries will be plump.
  • Taste – Saute and sample a thawed berry. It should taste fruity and sweet, not bitter, sour, or rancid.
  • Liquid – Excess liquid in the packaging is a sign berries have broken down. Leaking juices allow bacteria growth.
  • Ice Crystals – Tiny white ice crystals on berry skins mean they suffered freezer burn and dried out.
  • Discoloration – Oxidized berries will darken from bright black to brownish-red hues when spoiled.
  • Expired – Toss any frozen berries stored over 1 year for best quality and food safety.

Remember, freezing extends but doesn’t eliminate spoilage. Handle blackberries properly and use frozen fruit within recommended timelines for optimal freshness


Q1. Do I need to wash blackberries before I freeze them?

A1. Yes, it’s important to gently wash blackberries before freezing to remove any dirt or debris. Dry well with paper towels.

Q2. Do blackberries freeze well?

A2. Blackberries freeze very well with little texture or flavor change. Their cell structure stays intact when frozen properly.

Q3. Can you freeze blackberries straight from picking?

A3. Yes, freshly picked blackberries can be frozen immediately without washing or prep as long as they will be cleaned before use later.

Q4. What is the best way to freeze berries?

A4. Lay berries in a single layer on a sheet pan and freeze, then transfer to bags or containers. This prevents clumping.

Q5. How do you freeze berries without getting mushy?

A5. Freeze berries in a single layer first, then gently transfer to a container. Avoid crushing or compacting them to prevent mushiness.

Q6. How do you prepare fresh berries for freezing?

A6. Wash gently, dry well, spread in a single layer on a sheet pan, freeze, then transfer frozen berries to a freezer bag or container.

Share your love
Melissa Baker

Melissa Baker

I am a food lover and the founder of FoodQueries. I have years of experience when it comes to food. I have been cooking since childhood and I know a thing or two about storing, cooking and freezing food in the right way.