In my north Florida yard I have:

Chinese Snowballs that are now flowering out just a little bit -- here
and there -- and just small flower heads.

Camellias with lots of buds.

Pansies flowering out.

Azaleas blooming.

Snapdragons flowering.

Roses that are budding and blooming.

Since these things are "in their cycle" should I encourage them to
flower more with a hit of fertilizer or composted manure, or just let
them go until spring?

Patrick