| Hybridizer: | Ferdinand Cayeux |
| Year Of Registration: | 1925 |
| Year Of Introduction (May Differ From Registry): | 1925 |
| Classification: | Tall Bearded (TB) |
| Bloom Season: | Mid Late |
| 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 |
| Child plants: | 56 child plants |
| chelle | On June 14, 2015 | Bloomed One of Mamajack's late April (brand new) transplants bloomed today. |
| chelle | On April 26, 2015 | Transplanted (6) W Screen room bed, N side |
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