- An iceberg variety that is cold tolerant more so than other lettuce varieties as well as an early producer and bolt-resistant.
Non-GMO Coolguard Lettuce is an iceberg lettuce variety that is ready in 70 days. Coolguard produces a light green head with crips leaves that have a pleasant and mild lettuce flavor. This gardener's favorite tolerates colder temperatures more so than other lettuce varieties. An early producer that is also bolt-resistant, this crispy iceberg is sure to bring you success in the garden.