OK, I don’t know much about flowers, but lively oceans aren’t typically blue, they’re green-ish.
Primary producers (in normal marine environments) need to photosynthesize, which involves a healthy dollop of chlorophyll. Trivial fun fact suitable for printing on the side of a tube of Gogurt this is not. “The fact that [the oceans] are not blue has a [direct] impact on the distribution of tropical cyclones,” says Anand Gnanadesikan, PI for a new NOAA study slated for release sometime in the near future in the Journal of Geophysical Research Letters.