| May 17 2009 | Jewell (5504) added "2 to 5 feet (60 cm to 1 1/2 m)" to Height (Maximum) |
| May 17 2009 | Jewell (5504) added "9a (to 25 F / -4 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "5b (to -10 F / -23 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "7a (to 5 F / -15 C)" to Zones / Hardiness |
| May 17 2009 | Jewell (5504) added "7b (to 10 F / -12 C)" to Zones / Hardiness |
