| Sep 17 2009 | toni (36069) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "3b (to -30 F / -34 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "3a (to -35 F / -37 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "2b (to -40 F / -40 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "2a (to -45 F / -43 C)" to Zones / Hardiness |
| Sep 17 2009 | toni (36069) added "1 (Below -50 F / Below -45 C)" to Zones / Hardiness |
