There are many ways to buy canned plums, including in the produce aisle of your local grocery store. If you’re looking for a specific type of canned plum, like pitted or unpitted, then you will need to look at other stores. What to Look For When Buying Canned Plums: -Pitted or unpitted? -Hard, soft, or semi-soft (those are the most common) How To Buy Caned Plums Online: The easiest way is by searching for canned plums on your search engine. If you go into a specific store online and they have them available then click “add to cart” button at the bottom of your screen. This will take you directly to checkout where you can pay with either PayPal or credit card. Once paid, just wait! It usually takes around two weeks for your order to arrive in mail but it could be sooner if ordered from Amazon Prime. But that’s all there is too it!