Hertfordshire,
United Kingdom 
I have a chrysanthemum in a pot which had lovely yellow flowers last year. This year has lots of green growth but not flowers at all - not even a bud. Why no flowers
17 Sep, 2010
Answers
If it's near an artificial light--such as street lights, porch lights, walk lights, etc.--it may have not got the signal of decreasing day length to form flower buds
17 Sep, 2010
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It might be a late flowerer...I have one in full bloom, some just on their way, and one clump which is always last.
Otherwise, I wonder if you fed it with a fertiliser that promotes leafy growth rather than flowers?
17 Sep, 2010