| May 01 2013 | Jewell (5504) added "Perennial" to Plant Types |
| May 01 2013 | Jewell (5504) added "Blue" to Leaf Colour |
| May 01 2013 | Jewell (5504) added "2 to 5 feet (60 cm to 1 1/2 m)" to Spread (Maximum) |
| May 01 2013 | Jewell (5504) added "2 to 5 feet (60 cm to 1 1/2 m)" to Height (Maximum) |
| May 01 2013 | Jewell (5504) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| May 01 2013 | Jewell (5504) added "3a (to -35 F / -37 C)" to Zones / Hardiness |
| May 01 2013 | Jewell (5504) added "3b (to -30 F / -34 C)" to Zones / Hardiness |
| May 01 2013 | Jewell (5504) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| May 01 2013 | Jewell (5504) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| May 01 2013 | Jewell (5504) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
