I can answer for Central Texas. There are definite peaks in flowering.
We have one big, glorious rush of spring-flowering plants in March and
April. There is another, smaller "boom" about October when we pick up
the fall-flowering species. There is a small hump in late May and early
June when the early-summer things get going. Another "hump" in the
calendar occurs in late Dec.-Jan.-early Feb. when the winter annuals
flower. July, August, September, late November, and December are (by
comparison) rather barren.
Kathleen Archer wrote:
> The question about peak flowering seasons is really interesting to me. You
> can get into all the other reasons plants might flower at one time vs.
> another (availability of pollinators, etc), but there is a very simple
> question here that someone, somewhere, probably knows. That is, for a
> given location, are the number of species in flower uniform over time, or
> are there peak times at which more species are flowering than other times.
> Anyone know?
> Kathleen Archer