Life Span
Type
Origin
Types
Number of Varieties
Habitat
USDA Hardiness Zone
AHS Heat Zone
Sunset Zone
Habit
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Yellow Birch, Paper Birch, River Birch
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24