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Polygonum virginianum (Virginia Knotweed)
| Date | Action |
| Apr 20 2009 | bubbleoffplumb (635) added "10a (to 35 F / 2 C)" to Zones / Hardiness |
| Apr 20 2009 | bubbleoffplumb (635) added "Native" to Plant Types |
| Apr 20 2009 | bubbleoffplumb (635) added "Wildflower" to Plant Types |
| Apr 20 2009 | bubbleoffplumb (635) added "Perennial" to Plant Types |
