Year Of Introduction (May Differ From Registry): | 1947 |
Classification: | Species |
Bloom Color Classification: | Purple White |
Fragrance: | Sweet |
Awards: | Other: AGM (RHS) |
Life cycle: | Perennial |
Sun Requirements: | Full Sun to Partial Shade |
Soil pH Preferences: | Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8) |
Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
Maximum recommended zone: | Zone 9b |
Flowers: | Showy |
Underground structures: | Rhizome |
Parentage: | Collected in the wild |
Child plants: | 28 child plants |
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