The Pedro Walnut seedling is a hybrid of the Conway Mayette x and Payn. It is used as a pollinator variety for early flowering varieties.
Leaves 15 days after Payne. It flowers late and the rate of fruit ingestion in side buds is 65%. The inner walnut weight is 5.6 g and the internal ratio is 47%. The light-colored inner walnut ratio is 85%. Shell adhesion is weak. Fruit quality in hot areas is poor. The tree is small and needs a heavy pruning to maintain its growth power.