Life Span
Type
Origin
Types
Number of Varieties
Habitat
USDA Hardiness Zone
AHS Heat Zone
Sunset Zone
Habit
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, South-Central United States, Texas, Canada, Central America
Canyons, Dry areas, fencerows, Floodplains, Moist Soils, Old fields, open Woodlands, riparian zones, Roadsides, Thickets, Woodlands
North-Central United States, Central United States, Western United States, Texas
Blue Toadflax, Old-Field Toadflax
1a, 1b, 2a, 2b, 3a, 3b, 10