Class 1 - Simple early.
These include varieties of tulips with a height of 25-35 cm goblet or oval, not to disclose widely flowers of various colors. They are characterized by a very early and continuous flowering. Recommended for the early and middle distillation (January-March) and garden ornaments.
Grade 2 - Terry early.
Varieties of tulips height of 15-30 cm, with large and fragrant double flowers. Characterized by an early and long flowering, low coefficient of reproduction. Used for forcing in pots and garden ornaments.