The snap pea (Pisum sativum var. macrocarpon), also known as the sugar snap pea, is a cultivar group of edible-podded peas.
Snap peas, like all other peas, are pod fruits. An edible-podded pea is similar to a garden, or English, pea, but the pod is less fibrous, and is edible when young. Pods of the edible-podded pea, including snap peas, do not have a membrane and do not open when ripe. At maturity, the pods grow to around 4–8 cm in length. Pods contain three to eight peas. The plants are climbing, and pea sticks or a trellis or other support system is required for optimal growth.