Life Span
Type
Origin
Types
Number of Varieties
Habitat
USDA Hardiness Zone
AHS Heat Zone
Sunset Zone
Habit
Needled or Scaled Evergreen
Deciduous forests, Rocky areas, rocky outcrops
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
Narrow Upright/Fastigiate
Southeastern United States, Central United States, South-Central United States, Mexico
Elliot Pecan, Gafford Pecan
Loamy soils, Moist woods, Tropical regions
2b, 3a, 3b, 6, 7, 8, 9, 10, 12, 13, 14, 18, 19, 20