landscape plant fertilizer program

[bamaturf]

who's got a good fertilizer plan for landscape plants? i'm using 14 14 14 2x a year, spring then fall. most common plants are evergreens, dwarf yaupons,
compacta, hollys , azalea, k o roses, nandina, acuba,camelia,crepe myrtle,hydrangea,waxleaf privet,english boxwood etc
seasonal flowers, pansies, impatients, begonias, daylillies,hostas etc.

just looking for tips or ideas of fertilizer requirements of plants, what is enough
or what is too much.