Crocus vernus (Spring Crocus, Giant Crocus) is a species in Family Iridaceae, native to the Alps, the Pyrenees, and the Balkans.

Crocus vernus is an early spring blooming bulb that is primarily native to high alpine areas in Europe (Pyrenees, Alps and Carpathians).

Crocus vernus is an early spring blooming bulb that is primarily native to high alpine areas in Europe (Pyrenees, Alps and Carpathians).
Flowers bloom in early spring for about three weeks (typically beginning in late March). Flowers close at night and open up in the morning, but usually remain closed on rainy/cloudy days. Basal, grass-like leaves. Foliage yellows as plants go dormant several weeks after bloom.