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Goldenrod blooms up north before it blooms in the south?

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22K views 40 replies 26 participants last post by  Scrapfe  
I find the information interesting, here in central Florida my last year notes were that the Golden rod was in full bloom at the end of October and stopped by the end of November. I looked at the lot near me and the Goldenrod is not yet full grown this year.
I wounder if it is a day length thing? Day length in the North is very different then in the South.