| Jul 17 2008 | Frank (2698) added "9a (to 25 F / -4 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "9b (to 30 F / -1 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "7a (to 5 F / -15 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "5b (to -10 F / -23 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| Jul 17 2008 | Frank (2698) added "3b (to -30 F / -34 C)" to Zones / Hardiness |
