Please id this flowering plant

I planted this 3 years ago, but don't know its name. Can someone identify it for me please. There is more info with the photo, which is at http://www.apanda.ca/gardensite/yellowflower.htm . Thanks.
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"Andrew Ostrander" wrote in message
I planted this 3 years ago, but don't know its name. Can someone identify it for me please. There is more info with the photo, which is at http://www.apanda.ca/gardensite/yellowflower.htm . Thanks. ====== Check out Oenothera.
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Yes, thank you. I believe it is evening primrose.
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