| Mar 10 2013 | cherylad (2487) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "5b (to -10 F / -23 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "5a (to -15 F / -26 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "4b (to -20 F / -29 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "4a (to -25 F / -32 C)" to Zones / Hardiness |
| Mar 10 2013 | cherylad (2487) added "Perennial Spirea" to Common Names |
| Mar 10 2013 | cherylad (2487) added "Perennial" to Plant Types |
