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The Plant Guide

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Prairie zinnia

Zinnia grandiflora

ZIN-ee-ah gran-dih-FLOOR-ah

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 CharacteristicsThis smaller flowered species is perfect for edging and naturalized areas, as well as mixed borders and cottage gardens.

CareProvide 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.

PropagationSow 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.

ProblemsBacterial and fungal spots, bacterial wilt, powdery mildew, Southern blight, stem rots, caterpillars, mealybugs, spider mites.

  • Genus : Zinnia
  • Plant Width : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8, 9
  • Tolerance : Deer Tolerant, Drought Tolerant
  • Moisture : Dry to Medium
  • Light : Full Sun
  • Uses : Ground Covers
  • Maintenance : Low
  • Growth Rate : Moderate
  • Plant Type : Perennials
  • Characteristics : Self Seeds
  • Bloom Time : Summer
  • Plant Seasonal Interest : Summer Interest
  • Plant Height : Under 6 inches
  • Flower Color : Yellow

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