| Hybridizer: | Paul Cook |
| Year Of Registration: | 1956 |
| Year Of Introduction (May Differ From Registry): | 1958 |
| Seedling Number: | 12555 |
| Classification: | Tall Bearded (TB) |
| Registered Height: | 36 inches (91 cm) |
| Bloom Season: | Mid |
| Bloom Color Classification: | Violet White |
| Flower Patterns: | Amoena |
| Bloom Color Description: | Clean white standards; light violet falls |
| Awards: | Honorable Mention: 1958 Award of Merit: 1960 Dykes Memorial Medal: 1962 |
| 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 |
| Propagation: Seeds: | Will not come true from seed |
| Propagation: Other methods: | Division |
| Ploidy: | Tetraploid |
| Parentage: | Cahokia X 11253: (Blue Rhythm x ((blue sdlg x Progenitor) x (Distance x blue sdlg.))) |
| Child plants: | 310 child plants |
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