Long Green Improved Cucumber Seeds - Heirloom Slicing Pickling Variety The "Long Green Improved" cucumber is a robust variety known for producing large, succulent vegetables that can reach up to 12 inches in length. This heirloom cucumber, first introduced in 1842, has become a favorite for its versatility, making it ideal for both slicing and pickling. The cucumbers have a classic, rich flavor that has stood the test of time. This variety thrives best in full sun, ensuring optimal growth and maximum yield. Its enduring popularity is a testament to its quality and flavor, making it a staple in gardens for over a century.