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Viola tricolor (Johnny Jump Up, Heartsease)
| Date | Action |
| Feb 12 2009 | kkluv155 (414) added "9a (to 25 F / -4 C)" to Zones / Hardiness |
| Feb 12 2009 | kkluv155 (414) added "9b (to 30 F / -1 C)" to Zones / Hardiness |
| Feb 12 2009 | kkluv155 (414) added "10a (to 35 F / 2 C)" to Zones / Hardiness |
| Feb 12 2009 | kkluv155 (414) added "10b (to 40 F / 4 C)" to Zones / Hardiness |
| Feb 12 2009 | kkluv155 (414) added "11 (Above 40 F / Above 4 C)" to Zones / Hardiness |
