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Drought Tolerant Annual Flowers

Annual flowers add color and fresh design to the garden. An annual lives a single season, cycling from germination to flower to seed production in that time. Choosing the best drought-tolerant annuals for a specific planting site will depend on the garden's sun exposure, temperature, soil drainage and water. High-drought tolerant annuals require less water, once established, than moderate-drought tolerant plants. During the hot summer months, water high-drought tolerant annuals deeply every 10 days. Water moderate-drought tolerant flowers deeply once a week.
  1. Blanket Flower

    • The blanket flower pops with a deep orange-rose center ringed by yellow tips. It flowers from summer to early fall and requires full sun. It grows 18 to 24 inches high and is highly drought tolerant.

    California Poppy

    • The California state flower is the California poppy.

      The California poppy is the state flower of California. It can be found growing in the wild in many locations on the West Coast. It flowers in the spring and will thrive in partial shade or full sun. The flower's colors may be orange, red, rose, salmon, white or yellow. It is highly drought tolerant. Plants grow 12 to 24 inches tall.

    Globe Amaranthus

    • This high-drought tolerant plant blooms from late spring to early fall. The globe amaranthus will grow to 12 to 24 inches in partial shade or full sun. The flower colors include lavender, orange, pink, purple, red and white.

    Madagascar Periwinkle

    • This annual blooms from spring to fall and grows well in partial shade or sun. The Madagascar periwinkle flower colors include pink, purple, red, salmon and white. It grows 6 to 18 inches tall, and is moderate- to high-drought tolerant.

    Melampodium

    • This plant blooms from late spring through early fall in full sun. The melampodium flower color is yellow, set against bright green leaves. Plants grow to between 18 and 24 inches, and are moderate- to high-drought tolerant.

    Statice

    • The flowering season for this annual is summer to fall. Statice requires full sun. Flower colors include blue, rose, violet, white and yellow. It reaches heights of 36 inches. It is moderate- to high-drought tolerant.

    Zinnia

    • Zinnias like full sun.

      This flower produces vibrant blooms in orange, pink, red, white and yellow. Zinnias grow best in full sun and are moderate-drought tolerant. Depending on the variety, a zinnia may reach from 6 to 36 inches.