Widely distributed over the eastern two thirds of central North America, American plum grows in prairies, woodlands, pastures, and along roadsides and riverbanks. The shrub is winter-hardy, but intolerant of shade and drought; it requires the equivalent of 22 to 25 inches of precipitation.

Cabbage is a leafy green, red, or white biennial plant grown as an annual vegetable crop for its dense-leaved heads. It is descended from the wild cabbage, and belongs to the “cole crops” or brassicas, meaning it is closely related to broccoli and cauliflower; Brussels sprouts; and Savoy cabbage.

Passion fruit is a flowering tropical vine, known as Passiflora, that grows in warm climates, including South America, Australia, South Africa, and India. Passion fruit contains a soft pulp and lots of seeds inside a hard rind. People can eat the seeds and pulp, juice it, or add it to other juices.