Which fruit is not suitable for jam making?

Chef's answer
Fresh Fruit Strawberries from California, peaches and plums from Argentina or Chile may look attractive, however, they are often hard, dry and low in acid and will therefore not make good jam..
Frequently asked Questions 🎓
Can you use frozen peaches to make freezer jam? Yes, you can use frozen peaches to make peach jam! Substitute an equal amount of frozen fruit for fresh fruit in the recipe. Be sure to thaw the fruit to room temperature and don't drain the excess juice that is produced from the thawing process (use it in the jam).
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