A new and distinct cultivar of Junebearing (short day) strawberry plant `MNUS 138` combining the characteristics of early season ripening, high yield, excellent survival in cold temperatures, resistance to powdery mildew and red steel root rot and moderate resistance to fungal leaf spot and leaf scorch. `MNUS 138` yields strawberries characterized by moderately firm flesh, a glossy appearance, moderately tough skin, and a pleasing taste with suitable use in pick-your-own production and home gardens.