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How to Make Strawberry Rhubarb Jam; Canning

Updated: Oct 25, 2023

Strawberry and rhubarb are such a lovely combination. Whether it is pie or jam the sweet and sour mesh so nicely. So, what could be better than Strawberry Rhubarb Jam? Nothing, nothing at all. Having this jam in my pantry makes me look forward to my morning toast even more. This jam is a great way to get your family to try rhubarb if they are hesitant about this tart vegetable. As an added bonus, you can make the jam throughout the year because frozen rhubarb works just like fresh.

Preparation to make Strawberry Rhubarb Jam.



Start by preparing your boiling water bath with enough water to cover 6 half-pint jars with 1-2 inches of water. Place the pot on the stove on medium heat. Next, preheat your jars in the oven at 250 degrees Fahrenheit. Then, submerge your lids in a small pan of water, bring it to a boil, and then leave it at a simmer. Now that your equipment is ready, it is time to start making jam.


  • 6 half-pint jars

  • 2 cups crushed strawberries

  • 2 cups diced rhubarb

  • 6 tablespoons pectin

  • 1/4 cup lemon juice

  • 1 tablespoon butter

  • 5 1/2 cups sugar

Making the Strawberry Rhubarb Jam

Wash the strawberries and rhubarb. Remove all the green stems off the strawberries and rhubarb.

Marie hulling the strawberries.

Prepare Fruit

Blend 2 cups crushed strawberries. (You can just mash them up but the blender is so easy.)

Dice up 2 cups of rhubarb.

Dicing rhubarb.

Dice Rhubarb

Mix the strawberries and rhubarb together with 6 tablespoons of pectin and 1/4 cup of lemon juice in a deep pot.

Blending the strawberries.

Place all ingredients in pot except sugar.

Add 1/2 teaspoon of butter if desired to reduce foaming. Bring to a full rolling boil on medium-high heat. Stir constantly.

Add 5 1/2 cups of sugar and bring back to a full boil for 1 minute.

Pour or ladle the jam into clean, hot, half-pint-sized jars leaving ¼ inch headspace. Place the lids and rings on and process for 10 minutes in a boiling water bath at sea level or adjust for your elevation.

Filling the jars before processing the strawberry rhubarb jam.

Place into Jars

Remove the jars from the water bath. Allow them to sit on the counter for 24 hours then check if they sealed properly. The center will be indented down if they are. If not, place any unsealed jars in the refrigerator and use them right away.

Place the sealed jars in a cool, dry area and use them within the next 3 years. After that, the nutritional value begins to decrease.

If you have any questions about how to use a boiling water canner take a look at our canning basics videos.

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