. Allen's 1964 book of berries. Nurseries (Horticulture) Maryland Salisbury Catalogs; Nursery stock Maryland Salisbury Catalogs; Strawberries Maryland Salisbury Catalogs. VESPER (NJ 157). Vesper is a selection of the New Jersey Agricultural Experiment Station and is a cross of Utah Shipper and Jerseybelle. It ripens very late, somewhat later than Jerseybelle but before Redstar. Reports from where it has been grown indicate that it has been the most productive of all the selections or varieties during the time it has been in replicated plots. It has a longer harvest season than Jerseybelle and  - Stock Photo