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Zinnia grandiflora (Prairie zinnia)

Zinnia grandiflora Photo/Illustration: Bill Johnson

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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Zinnia grandiflora ZIN-ee-ah gran-dih-FLOOR-ah Common Name: Prairie zinnia 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.
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
Tolerance Deer Tolerant;Drought Tolerant
Characteristics Attracts Birds; Attracts Butterflies; Native; Self Seeds; Showy Flowers
Bloom Time Summer
Flower Color Yellow Flower
Uses , Beds and Borders, Ground Covers, Cut Flower, Naturalizing, Roadside
Style , Herb Garden, Cottage Garden, Desert Garden, Meadow Garden
Seasonal Interest , Summer Interest
Type ,Perennials

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