| May 17 2011 | bulborum (373) added "Spring" to Flowering Start |
| May 17 2011 | bulborum (373) added "6 to 12 inches (15 to 30 cm)" to Spread (Maximum) |
| May 17 2011 | bulborum (373) added "1 to 1 1/2 feet (30 to 45 cm)" to Height (Maximum) |
| May 17 2011 | bulborum (373) added "7b (to 10 F / -12 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "5b (to -10 F / -23 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "7a (to 5 F / -15 C)" to Zones / Hardiness |
| May 17 2011 | bulborum (373) added "8a (to 15 F / -9 C)" to Zones / Hardiness |
