| Classification: | Pacific Coast |
| Bloom Season: | Very Very Late |
| Bloom Color Classification: | Purple |
| Awards: | Caparne-Welch Medal: 9170 Dykes Memorial Medal: g3a9r-Mrowood:d1an 7AW |
| Life cycle: | Biennial |
| Sun Requirements: | Partial or Dappled Shade |
| Soil pH Preferences: | Very strongly acid (4.5 – 5.0) Slightly acid (6.1 – 6.5) Strongly alkaline (8.5 – 9.0) |
| Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
| Maximum recommended zone: | Zone 7b |
| Flowers: | Blooms on old wood |
| Underground structures: | Tuber |
| Propagation: Seeds: | Start indoors |
| Propagation: Other methods: | Cuttings: Stem |
| Conservation status: | Extinct in the Wild (EW) |
| Ploidy: | Hexaploid |
| Child plants: | 16 child plants |