Zone 7 in the USDA hardiness zone map incorporates southern states. Annual plants are those that live their whole life cycle in the course of one year. Annual plants for zone 7 gardens can include those from the mallow family, the aster/daisy family, figwort family, and many more. Choosing annual flower garden ideas can include any of the following flowers.
Hollyhock, or Alcea Rosea, is from the Malvaceae, or mallow, family. It is a perennial or an annual depending on cultivar and environment. It can attract butterflies into the garden. Rought leaves are 1 to 2 inches long on a plant that reaches 5 to 6 feet tall. Flowers are red, pink, purple, white, or yellow and shaped like a funnel. Plant a hollyhock in well drained soil in full sun. Propagate via seed.
Flossflower, or Ageratum houstonianum, is from the Asteraceae/Compositae, or aster/daisy, family. It is an annual. Flossflower gets over 2 feet tall with fuzzy flowers and heart shaped leaves up to 4 inches long. It prefers bright sun. Propagate via seeds.
Common Snapdragon, or Antirrhinum majus, is from the Scrophulariaceae, or figwort, family. It is a fast and easy growing perennial or annual that attracts hummingbirds. It will range from 4 inches to 3 feet tall with tubular flowers in an array of colors. Plant a common snapdragon in well-drained soil in full sun or partial shade with regular watering. Propagate via seed.
Nasturtium, or Tropaeolum majus, is from the Tropaeolaceae, or nasturtium, family. It is an annual that is fast and easy growing. It will attract hummingbirds. Pale green leaves are 2 to 5 inches wide with 1 to 2 inch flowers in many different colors. Plant a nasturtium in light sandy soils in full sun or light shade. Propagate via seed.
Four O'Clock, or Mirabilis jalapa, is from the Nyctaginaceae, or four o'clock, family. It is a fragrant, fast growing, and easy to grow evergreen. It will get 2 to 3 feet tall with 2- to 4-inch-long leaves. Fragrant flowers in red, pink, yellow, magenta, or white can be in singles or clusters. Plant the four o'clock plants in full sun or partial shade in any soil with regular watering. Propagate via seed or tuber division.