Scientific: Zinnia elegans
Common: zinnia
Family: Asteraceae
Origin: Mexico

Pronounciation: ZIN-nee-a EL-e-gans

Hardiness zones
Sunset
All zones as annual
USDA All zones as annual

Landscape Use: In Phoenix, zinnia are a warm-season accent bedding plant. They are a great summer annual plant for youth and educational gardens because they are so easy to grow, dependable and showy.

Form & Character: Herbaceous, upright, tender, cheerful.

Growth Habit: Moderately upright the height of which depends on variety, ranging from a dwarf 12 inches to a tall 4 feet.

Foliage/Texture: Ovate, medium green, slightly pubescent, medium fine texture.

Flowers & Fruits: Flowers bright white to red, perfect ray flowers, single and double born terminally on stems, fruit inconspicuous.

Seasonal Color: Usually warm colors from May to September.

Temperature: Moslt tolerant of desert summer heat, though might become heat stressed in full sun during the hottest portions of the desert summer, avoid reflected sunlight from western exposures.

Light: Full sun

Soil: Tolerant, but soil MUST be well-drained with moderate to high amounts of organic matter.

Watering: Provide copious and frequent amounts of water for this plant to thrive during the hot summer in Phoenix.

Pruning: Remove spent flowers to encourage more blooms.

Propagation: Seed, really easy - a beginner's plant.

Disease and pests: Relatively pest free.

Additional comments: Cheerful summer bedding plant for moist gardens in the desert southwest. Not drought tolerant. There are several other Zinnia species and hybrids of species with many named cultivars such as the delightful  Zinnia hybrida 'Orange Profusion' and Zinnia haageana 'White Star'.