How to Freeze Boysenberries
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How to Freeze Boysenberries

This step by step guide show how to freeze boysenberries at home to extend the life of these delicious berries. Freezing boysenberries is the best way to preserve this fruit so they can be used in smoothies, baked goods or just on your cereal in the morning.

Picking Boysenberries

It is best to pick the fruit when they are dark maroon in color. The darker they are, the sweeter the fruit will be. Simply hold the vine with one hand then gently pinch off the boysenberry with the other. See this Boysenberry Growing Guide for more information.

Freezing Boysenberries

Fresh boysenberries will only last a few days in the fridge and you may find that you don’t have enough berries ripening on your plant at once for your recipe. Freezing is a great way to preserve these berries until you have enough.

How long can you freeze boysenberries?

Frozen boysenberries should be used within six months of the date frozen. Any longer and they will begin to lose their nutritional value and may develop freezer burn. Always label your freezer bag or container with the contents and the date frozen.

How do you thaw frozen boysenberries?

Place frozen boysenberries in the fridge overnight to thaw. Alternatively place in a microwave safe bowl then heat on high for 20 seconds. Gently stir then heat on high for a further 20 seconds. Repeat until thawed, however be aware that when you heat boysenberries in the microwave some of the juice will leak from the berries.

Equipment and Materials Needed

  • Oven Tray
  • Parchment or Baking Paper
  • Freezer Container or Bag
  • Label – These food labels from Food Safe are dissolvable in water within 30 seconds making then perfect for placing on reusable containers. They are top rated on Amazon. (Paid link)


Time needed: 3 hours and 10 minutes.

How to Freeze Boysenberries

  1. Wash the Boysenberries

    First remove the top leaves from the berries by gently twisting until they come loose then place the boysenberries in a bowl. Fill with cold water then agitate the berries to release any dirt. Drain off the water then fill the bowl again to rinse the berries. Drain well.

    Washing the boysenberries in a bowl prior to freezing.

  2. Initial Freeze

    Line an oven tray with parchment or baking paper then place the boysenberries in a single layer on the tray with space between each one or they will stick together. Place the tray in the freezer for 3 hours.

    Boysenberries in a single layer on a tray ready to be frozen.

  3. Remove the Berries

    Remove the tray from the freezer then gently lift the frozen boysenberries from the paper.

    Boysenberries removed from the freezer.

  4. Store, Label then Freeze

    Place the boysenberries in a freezer safe container or bag. Remove as much air as you can from the bag then secure. Place a label on the container or bag with the contents and the date frozen. Freeze until needed.

    Frozen boysenberries stored in a freezer bag with the date.

Are you looking for reusable containers? These 8 ounce containers from Stack Man have airtight lids which prevent freezer burn and can be taken direct from the freezer to the microwave. (Paid link)


Add the frozen boysenberries to your favorite smoothie ingredients. The berries don’t need to be thawed just add them straight to the blender.

Boysenberries are wonderful in pies, tarts, muffins, ice-cream or add to other berries for a mixed berry jam.

Do you have raspberries or strawberries growing in your garden? Try these guides on Freezing Raspberries or Freezing Strawberries to extend the life of these versatile berries. You might also like this guide to Freezing Cantaloupe and Rockmelon which are wonderful added to smoothies.

For more information on preserving food at home, see this guide to Food Preservation or this Homesteading guide to get more out of your home.

To Print or Save this guide on How to Freeze Boysenberries, click the button below for the PDF file.

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