Hybrid origin
North-Central United States, Central United States, Western United States, Texas
Perovskia atriplicifolia LACEY BLUE, Perovskia atriplicifolia ‘Rocketman’
Blue Toadflax, Old-Field Toadflax
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
1a, 1b, 2a, 2b, 3a, 3b, 10