Cucumis sativus Days Until Harvest: 52 Heirloom vegetable The cucumbers are flavorful and consistent in size Heavy yields of small 3- 6" long pickling type cucumbers 52 Days. The "Boston Pickling Cucumber" has been around since the 19th century, and is still one of the big favorites. The cucumbers are flavorful and consistent in size, so they're never limited to pickle-making. They're stars of the salads, too.Cucumis sativus. Plant produces heavy yields of small 3- 6" long pickling type cucumbers.