Fruits rich in potassium: 1. Banana banana pulp is rich in potassium. 2. Watermelon juice contains a lot of potassium. 3. Peach, the pulp contains a lot of potassium. 4. Lemon, lemon pulp contains a lot of potassium. The pulp and juice of oranges contain a lot of potassium. 6. Grapefruit, whose pulp is also rich in potassium. The top three fruits with potassium content are coconut, fresh jujube and jackfruit, and the potassium content per 100g is as high as 475mg, 375mg and 330mg respectively. Other fruits with high potassium content are blackcurrant, banana, longan, guava, cherry, pomegranate, apricot, fig, lemon, gooseberry, orange, litchi, persimmon, bayberry, plum, kiwi, melon, mango, strawberry, orange, peach grape, loquat, pineapple, grapefruit, ginseng fruit, watermelon and pear.