Here is a list of flowers that are at their peak of condition during July. This makes them a good choice to plant in your garden of you want to exhibit them at the county fair. Annual Perennial marigold petunias zinnias vincas snapdragons pansy coleus dusty miller cleome salvia bachelor button cosmos impatiens celosia moss rose coneflowers yarrow daisies phlox coreopsis delphinium baby's breath columbine black eyed susan hosta viola butterfly plant dianthus carnation lavender Bulb, Corms, or Tubers lilies cannas gladiolus dahlias Annual- A plant that grows, flowers, sets seed and then dies all in the same year. Perennial- A plant that lives and produces flowers many years.