1 What is
1.1 Life Span
1.2 Type
1.3 Origin
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
North America, Europe, Asia
1.4 Types
1.4.1 Number of Varieties
1.5 Habitat
Cold Regions, Hills, Hillside
Lakes, Ponds, sluggish streams and rivers
1.6 USDA Hardiness Zone
1.7 AHS Heat Zone
1.8 Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
21,22
1.9 Habit
Oval or Rounded
Spreading