Prairie zinnia (Zinnia grandiflora) ZIN-ee-ah gran-dih-FLOOR-ah Genus:  Zinnia This native perennial wildflower of the American Southwest bears a profusion of bright yellow to golden yellow flowers atop 4-inch high plants that spread to 15 inches wide. They bloom from late summer into fall.  Noteworthy Characteristics:  This smaller flowered species is perfect for edging and naturalized areas, as well as mixed borders and cottage gardens. Care:  Provide fertile, well-drained soil in full sun with good air circulation. Plants will tolerate a variety of soils. They do not break dormancy until the heat of early summer warms the soil. Deadhead spent blossoms to continue flowering. Propagation:  Sow seed (preferably in succession for longer flowering period) where it is to grow in late spring or at 55-65°F in early spring. Divide in early summer. Problems:  Bacterial and fungal spots, bacterial wilt, powdery mildew, Southern blight, stem rots, caterpillars, mealybugs, spider mites.

Overview

Height Less than 6 in. Spread 1 ft. to 3 ft. Growth Habit Clumps Growth Pace Moderate Grower Light Full Sun Only Moisture Dry to Medium Maintenance Low Characteristics Attracts Song Birds, Attracts Butterflies, Native, Self Seeds, Showy Flowers Bloom Time Summer Flower Color Yellow Uses Beds and Borders, Cut Flower, Ground Covers, Naturalizing, Roadside Style Cottage Garden, Desert Garden, Herb Garden, Meadow Garden Seasonal Interest Summer Interest Tolerance Deer Tolerant, Drought Tolerant Type Perennials