Blooming Season:
June in the south to August in the north.
Cultivation:
This sun-loving species may be grown in zones 5-9. While it can tolerate considerable moisture in summer, they need to be on the dry side in winter so a well-drained site is essential. It does not seem to be fussy about the soil pH. It is a tap-rooted species that resents transplanting so it is best to set out young plants.
Propagation:
Seeds