Length of freezer life depends on the type of freezer container used. Heavy duty vacuum sealing has the longest life. In general, a year. The quality declines after 6 months.

Harvest forum is the food preservation forum here for more details/discussions.

Dave

The colder the freezer, the better. As an experiment...I've used frozen mater's well over a year in the freezer & find no difference in taste or consistency as the newer frozen ones.

My freezer is at zero degrees...and, I use heavy duty freezer bags.

I've just been using cheap freezer bags, so I'll have to look into getting something better. But I can use up the stuff in those first, so it shouldn't be a problem. I'll check out the harvest forum for some more ideas.

I use a Food Saver and store the tomatoes in the deep freeze - not the one in the fridge. They keep a very long time - up to two years in the deep freezer. They taste as good as the day I put them in.

In the fridge freezer, you can keep them about 6 months if you also wrap the bag in freezer paper to protect from that constant freeze/defrost cycle.

Now that your tomatoes are already frozen, you can move them into the better food saver type bags for long term storage. I usually freeze in quart size containers and then transfer to the food saver bags so that moisture isn't an issue with the machine (you'll understand once you read the manual).

Walmart has a good price on the Food Savers and the bags as well. Check the reviews at Amazon on different models before you buy.

gardenvt - I'll have to look into that food saver. This is my first time doing this, so I don't really know what to expect. The sauce is turning out really good, so I don't want any of it to go bad.

I make my sauce a little different each time, depending on what tomatoes, peppers & herbs I have available at the time. I freeze it in the Ziplock or Glad plastic containers and have kept some as long as 3 years. They all taste just like new when I open them. I have a rather large upright freezer that stays at zero degrees.
John A