Life Span
Biennial
Perennial
Type
Tree
Perennial
Origin
-
Russia, Siberia, China, Japan
Types
Chinese red birch, Betula fruticosa, Betula ermanii
Iris ensata, Iris japonica
Number of Varieties
6060
0
40000
👆🏻
Habitat
Rocky areas, Sandy areas, Well Drained, Wet forest, Wet ground, Wet lands
Boggy areas, gardens, meadows, Shores of rivers or lakes
USDA Hardiness Zone
4-73-9
0
99
👆🏻
AHS Heat Zone
7-1
9-1
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming