| May 26 2009 | toni (36069) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| May 26 2009 | toni (36069) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| May 26 2009 | toni (36069) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| May 26 2009 | toni (36069) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| Sep 17 2008 | Frank (2698) updated "American smoketree" to "American Smoketree" in Common Names |
| Aug 17 2008 | Netty (13946) uploaded an image. View |
| Aug 17 2008 | Netty (13946) added "20 to 40 feet (6 to 12 m)" to Spread (Maximum) |
| Aug 17 2008 | Netty (13946) added "20 to 40 feet (6 to 12 m)" to Height (Maximum) |
| Aug 17 2008 | Netty (13946) added "5b (to -10 F / -23 C)" to Zones / Hardiness |
| Aug 17 2008 | Netty (13946) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
