Cucumber Cucumis 'Iznik' 3 m² - Vegetable seedsPerfect as a snack! The cucumber 'Iznik' (Cucumis sativus) has fruit with smooth, thin skin. They grow up to 1214 cm. The 'Iznik' does not need pollination. Plant the vegetable seeds in March to June under glass or in a heated container. Cucumbers like to be warm. After four to five weeks, plant them in the open ground in the garden. You can harvest from July to September. Space the cucumber seeds 140 cm apart. Space the rows at a distance of 50 cm.