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This plant is said to grow outdoors in the following regions:
Hebron, Kentucky
Broadway, North Carolina
Kalama, Washington
Hardy at least to Z4a. May rebloom if deadheaded weekly. Not drought tolerant, but needs good drainage, esp...Read Moreecially over winter. Does not tolerate the hot humid summers south of Z7b in the southeastern US. May benefit from afternoon shade near the southern edge of its range.
Hardy at least to Z4a.
May rebloom if deadheaded weekly.
Not drought tolerant, but needs good drainage, esp...Read More