Sure, there is a bitterness in the leaves, as is typical for chicories. However, compared to other varieties, Escariol Grüner has more sweetness, especially in the inner leaves. It grows large and strong, with plants 30–40 cm wide being quite common. The leaves are dark green and smooth. The seeds are sensitive to cold soil, so wait to sow until it has warmed up, otherwise it will quickly bolt. However, it tolerates much more cold than regular lettuce and can withstand several frosty nights in the fall. Annual.