Which plant is not a summer annual?

Answer: Option A

Salvia is the plant among the given options that are not a summer annual. Salvia species include annual, biennial, or perennial herbaceous plants, along with woody subshrubs.
Kochia is a summer crop.
Coreopsis can grow in a garden as a border plant. The sunny, summer-blooming, daisy-like flowers are popularly planted in gardens to attract butterflies. Both annual and perennial types are grown in the home garden.
Cosmos are annual flowers with colorful, daisy-like flowers that sit atop long, slender stems. Blooming throughout the summer months.