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Helianthus annuus (Sunflower)


Date Action
Apr 29 2009toni (36069) added "7b (to 10 F / -12 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "8a (to 15 F / -9 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "8b (to 20 F / -7 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "9a (to 25 F / -4 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "9b (to 30 F / -1 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "10a (to 35 F / 2 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "10b (to 40 F / 4 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "11 (Above 40 F / Above 4 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "2b (to -40 F / -40 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "2a (to -45 F / -43 C)" to Zones / Hardiness