Canning corn and tomatoes together

9 years ago

My mom would can corn and tomatoes together when I was a kid. Can I just combine the corn and tomatoes and pressure can them the same way as I would regular corn?

Comments (4)

morz8 - Washington Coast
9 years ago
There might be a quality issue involved, the processing time for corn being 55 minutes, tomatoes 15-20 depending on halved or crushed. If there is a safety concern, I couldn't really say so hate to advise you. If no one here can tell you, someone on the Harvest forum likely could.

NCHFP does have instructions for mixed vegetables (national center for home food preservation) that includes both corn and tomatoes, also green beans, carrots but the processing time there is 75 minutes pts, 90 minutes quarts so guesswork may not be the way to go.

Possibly can separately and combine when you open the jars to eat is another thought....

Here is a link that might be useful: Mixed vegetables
lpinkmountain
9 years ago
My thoughts exactly. I once pressure canned lower acid salsa, using the time for the longest veggie, which in that case was 45 min. for green peppers. It was pretty tasteless, but that was because the hot peppers washed out. Can't remember about the tomatoes. It wasn't awful though.
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This thread appears to create more confusion than it really needs to but the real issue is that there are genuine isolation issues for different sweet corn genetics. The 2009 PA Commercial Vegetable Production Guide spells it out as 9 variety classes: Normal (su), Sugary Enhanced,heterozygous(su,se-1 copy), Sugary Enhanced, homozygous(su,se-2copies), Supersweet(sh2), Synergistic,hetero. se&sh2(su,se-1copy,sh2-1copy), Synergistic, homo. se&sh2 (su,se-2copies,sh2-1copy), Synergistic, homo. se&bt2 (su,se-2copies,bt2-1copy), Augmented Shrunken (se-2copies,sh2-2copies), Mirai (su,se-2copies,sh2-2copies). Its usually the Supersweets and Augmented Shrunken that need to be isolated from the other types to avoid starchy kernels. I never worried about real problems from planting 2 varieties within the same class. I've been doing that for many years. This year I'll plant 5 Synergistic varieties that were excellent last 2 years and one new Mirai variety (no isolation necessary from any others). I like to have one variety ready to pick each week with some overlap. So go ahead and mix up the normal or sugary enhanced varieties. You may get a crop that looks and possibly tastes slightly different but you won't have the undesirable starchy kernels- that's the real issue here.
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Potatos (as in Irish potatos) and tomatos are not good together, mostly because of a common insect pest (Potato or "tater bug" as we called them). It eats the leaves of potatos until they are havested (if planted as early as possible usually July), and then moves on to tomatos. Corn, the corn worms don't bother tomatos that I know of or have seen, and this is from raising acres of both in my youth. Corn worms usually aren't a huge problem even in corn as they can be cut out. Beans go with anything, as anything that attacks them goes for them specifically and nothing else. I am old school, and we were still "organic" other than conventional fertilizer. My father had nearly 10 acres of produce as I was growing up.
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I'm sorry, Barb, but this isn't suitable for canning. It has olive oil and olives, plus the onion, corn and garlic are low-acid ingredients. Even if some of the most "questionable" elements were deleted (like the olives), it would require extensive testing to arrive at any sort of safe pressure-canning time and that's unlikely because Extension resources are limited. Carol
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Corn worms are very common and not harmful (to you, I mean). You can cut off the affected portion and eat the remainder of the ear. In that regard it's mainly a mental aversion, not a health and safety issue. Probably the reason you haven't noticed corn worms on the corn you buy is that it's likely been heavily sprayed or the very early corn harvested before the worms appear. So you take your pick. You can have clean corn if you're willing to invest time and energy in some of the common methods for controlling them. For a small amount of corn there are a number of options that don't involve spraying, but for a larger garden, spraying may be necessary. Worms are just a part of nature. As far as the tomatoes are concerned, cutting out blemishes is not an issue as long as the tomatoes are fresh and firm and not coming from diseased plants. Then the tomatoes should not be used, regardless of how they look. Carol
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KatieC
9 years ago
When you can vegie combinations, if you use the processing time for the ingredient that takes the longest you will definitely have a safe product, especially since the tomatoes would lower the pH. The link morz8 posted does allow for substituting, and as long as there isn't a huge amount of corn (one of the lowest acid and most dense vegs), and mostly tomatoes, those direction would be fine also.

I don't think you'd lose much quality with just tomatoes and corn. (Lpink, I can see how you'd lose the peppers pressure canning....texture was gone, too, I bet.)
annie1992
9 years ago
Katie, I agree, I don't think you're going to lose much quality by pressure canning the tomatoes for the amount of time required by corn. I'd sure make sure I had more tomatoes than corn, but I don't see why canning those things together would be a problem. Corn is usually canned just in water, perhaps some added salt, so canning with tomatoes should just add some acidity, which would add a bit of a safety factor to the mix.

Annie

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Canning corn and tomatoes together

Comments (4)

morz8 - Washington Coast

lpinkmountain

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KatieC

annie1992

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