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Polygonum bistorta (Bistort)


Date Action
Apr 18 2009toni (36069) updated "1 to 1 1/2 feet (30 to 45 cm)" to "6 to 12 inches (15 to 30 cm)" in Spread (Maximum)
Apr 18 2009toni (36069) updated "2 to 5 feet (60 cm to 1 1/2 m)" to "< 6 inches (< 15 cm)" in Height (Maximum)
Apr 18 2009toni (36069) added "Ground Cover" to Plant Types
Apr 18 2009toni (36069) added "October" to Flowering End
Apr 18 2009toni (36069) added "June" to Flowering Start
Apr 18 2009toni (36069) added "1 to 1 1/2 feet (30 to 45 cm)" to Spread (Maximum)
Apr 18 2009toni (36069) added "2 to 5 feet (60 cm to 1 1/2 m)" to Height (Maximum)
Apr 18 2009toni (36069) added "9b (to 30 F / -1 C)" to Zones / Hardiness
Apr 18 2009toni (36069) added "4a (to -25 F / -32 C)" to Zones / Hardiness
Apr 18 2009toni (36069) added "4b (to -20 F / -29 C)" to Zones / Hardiness