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Asclepias speciosa (Showy Milkweed)
| Date | Action |
| May 27 2009 | toni (36069) added "3a (to -35 F / -37 C)" to Zones / Hardiness |
| May 27 2009 | toni (36069) added "Perennial" to Plant Types |
| May 27 2009 | toni (36069) updated "showy milkweed" to "Showy Milkweed" in Common Names |
