Keeping this in consideration, is it safe to water bath can rhubarb?
Rhubarb is technically a vegetable. However it is a vegetable that we eat like a fruit and a high acid vegetable, at that, making it safe for water bath canning.
Likewise, can rhubarb be canned without sugar? You need to start this method recipe at least half-a day ahead, or, overnight, simply to allow the rhubarb time to freeze. P.S. Yes it is fine to can fruit without added sugar. Processing time: Either size jar, 15 minutes.
Simply so, what is the best way to preserve rhubarb?
The easiest way to store rhubarb so you can enjoy it when it's no longer in season is to freeze it—it's a simple and straightforward process. Begin by cutting stalks into one-inch pieces; lay them flat on a parchment-lined baking pan. Simply freeze them until they are firm to the touch, which will take a few hours.
Can I bottle rhubarb?
How much you want to can is really up to you. You can make just a few jars or, if you have a huge bush in your garden, you can make lots and lots of jars. 450 g/ 1 lb rhubarb = about 3 cups raw chopped = about 2 cups cooked.