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Helianthus annuus (Sunflower)


Date Action
Apr 29 2009toni (36069) added "April" to Flowering Start
Apr 29 2009toni (36069) added "3b (to -30 F / -34 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "3a (to -35 F / -37 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "4a (to -25 F / -32 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "4b (to -20 F / -29 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "5a (to -15 F / -26 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "5b (to -10 F / -23 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "6a (to -5 F / -21 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "6b (to 0 F / -18 C)" to Zones / Hardiness
Apr 29 2009toni (36069) added "7a (to 5 F / -15 C)" to Zones / Hardiness