| Life cycle: | Annual |
| Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
| Maximum recommended zone: | Zone 7a |
| Conservation status: | Critically Endangered (CR) |
| Thread Title | Last Reply | Replies |
|---|---|---|
| What a gorgeous purple by Bonehead | Jun 19, 2017 10:50 PM | 6 |
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