Question: are plums a citrus fruit?
Answer: Certain citrus fruits, including lemons (2 to 2.6 pH), limes (2 to 2.8 pH) and oranges (3.69 to 4.19 pH) ... Certain stone fruits like peaches (3.3 to 4.05 pH) and plums (2.8 to 3.4 pH)