USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
It was not easy to cultivate this species from Arizona here in Austria, but finally it was succesful blooming and it was wonderful!!!
Don't be put off by the fact that this plant calls deserts it's home. It is native to natural seeps and so is accustomed to more moisture...Read More
This is a wildflower from North central Arizona. It holds up to hot dry summers and blooms over a long period of time. In desert climes, ...Read More