In biology, the BBCH-scale for leafy vegetables not forming heads describes the phenological development of leafy vegetables not forming heads, such as spinach, loosehead lettuce, and kale, using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of leafy vegetables not forming heads are: Main shoot has reached 30% of the expected height typical for the variety² Main shoot has reached 50% of the expected height typical for the variety² Main shoot has reached 70% of the expected height for the variety² Main shoot has reached the height typical for the variety² Main inflorescence visible between uppermost leaves² 1.
For lettuce varieties without head, spinach and species with rosette-type growth 2.
For kale and species without rosette growth