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You can can peaches with a pressure canner, and it’s one of the safest ways to preserve them for long-term storage.
Peaches are a low-acid fruit, which means they need the high heat of a pressure canner to destroy harmful bacteria like botulism spores.
If you’ve been wondering how to can peaches with a pressure canner, the good news is that it’s a straightforward process once you understand the steps.
Hot packing is the recommended method when you can peaches with a pressure canner because it helps the fruit settle better and improves the final texture.
In this post, we’ll walk through how to can peaches with a pressure canner, from prepping the fruit to pulling those beautiful jars out of the canner.
Let’s get into it.
Why You Should Can Peaches with a Pressure Canner
Peaches fall into the low-acid category, which is why you should can peaches with a pressure canner instead of a water bath canner.
Here’s why that matters:
1. Low-Acid Foods Need Higher Heat
Peaches have a pH level that puts them above the safe threshold for boiling water canning.
When you can peaches with a pressure canner, the internal temperature reaches 240°F (116°C), which is hot enough to kill Clostridium botulinum spores.
A water bath canner only reaches 212°F (100°C), and that’s simply not enough for low-acid foods.
2. Pressure Canning Ensures Safety
The main reason people can peaches with a pressure canner is safety.
Botulism is rare but serious, and it thrives in low-acid, anaerobic environments like sealed jars of peaches.
Using a pressure canner eliminates that risk when you follow tested processing times.
3. Better Texture and Flavor Retention
When you can peaches with a pressure canner, the shorter processing time compared to some water bath methods can actually help preserve a firmer texture and fresher flavor.
The result is peaches that taste closer to fresh when you open that jar months later.
How to Can Peaches with a Pressure Canner Step by Step
Learning how to can peaches with a pressure canner is really about following a reliable process.
Here’s how it all comes together:
1. Gather Your Supplies
Before you can peaches with a pressure canner, make sure you have everything ready.
You’ll need ripe but firm peaches, a pressure canner, mason jars, lids, bands, a jar lifter, a bubble popper, and clean towels.
You’ll also want a large pot for blanching and a bowl of ice water for shocking the peaches.
2. Prep and Peel the Peaches
Start by washing your peaches thoroughly.
Score an X on the bottom of each peach, then drop them into boiling water for about 30 to 60 seconds.
Transfer them straight into ice water, and the skins will slip right off.
Slice the peaches in half, remove the pits, and cut them into halves or quarters depending on your preference.
3. Make a Light Syrup
While you can peaches with a pressure canner using just water, a light syrup helps with flavor and color.
Combine about 2¼ cups of sugar with 5¼ cups of water for a light syrup.
Heat it until the sugar dissolves, then keep it warm while you pack your jars.
4. Hot Pack the Jars
When you can peaches with a pressure canner, hot packing is the way to go.
Simmer your peach halves in the syrup for about 5 minutes, then pack them into hot, sterilized jars.
Leave about ½ inch of headspace, then ladle hot syrup over the peaches to cover them.
Remove air bubbles with your bubble popper, wipe the rims, and place the lids and bands on fingertip tight.
5. Load the Pressure Canner
Place a rack in the bottom of your pressure canner and add the recommended amount of water.
Set your filled jars on the rack, making sure they don’t touch each other or the sides of the canner.
Lock the lid in place and turn the heat to high.
6. Vent and Build Pressure
Once steam starts escaping steadily from the vent pipe, let it vent for a full 10 minutes.
This step is crucial when you can peaches with a pressure canner because it removes trapped air.
After venting, add the weighted gauge or close the petcock, and let the pressure build to 10 PSI for a weighted gauge or 11 PSI for a dial gauge, adjusting for altitude.
7. Process for the Right Time
Process pint jars for 10 minutes and quart jars for 15 minutes at the correct pressure.
Start timing only once the pressure is steady.
Adjust the heat as needed to keep the pressure from fluctuating.
8. Cool Down and Remove Jars
When the timer goes off, turn off the heat and let the pressure drop naturally.
Don’t rush this part when you can peaches with a pressure canner.
Once the pressure gauge reads zero, wait a couple more minutes, then open the lid and remove the jars with your jar lifter.
Let them cool undisturbed for 12 to 24 hours, then check the seals.
Common Mistakes to Avoid When You Can Peaches with a Pressure Canner
Even seasoned canners make mistakes, so here are a few things to watch for:
1. Skipping the Venting Step
If you don’t vent your canner for the full 10 minutes, trapped air can throw off your pressure and lead to unsafe results.
2. Forgetting Altitude Adjustments
If you live above 1,000 feet, you’ll need to increase your pressure.
This is a step many people miss when they can peaches with a pressure canner.
3. Overfilling Jars
Too little headspace can cause syrup to bubble out and prevent a proper seal.
Always leave that ½ inch of headspace.
So, How Do You Can Peaches with a Pressure Canner?
You can peaches with a pressure canner by prepping firm ripe fruit, hot packing them in light syrup, and processing them at 10 or 11 PSI for the correct time.
It’s the safest method for low-acid fruit, and once you get the hang of it, the process becomes second nature.
So grab a basket of fresh peaches, fire up that pressure canner, and enjoy the taste of summer all year long.