Desert Zinnia
Scientific Name: Zinnia acerosa (DC.) A. Gray
Synonym: Zinnia pumila
Family: Asteraceae
Sunset®: 10,12-13
USDA: 9-10
Frost Tolerance: Hardy in Phoenix
Sun Exposure: Full sun
Origin: Southwestern USA, northern Mexico
Growth Habits: Perennial to 2 feet in diameter (60 cm), 10 inches tall (25 cm)
Watering Needs: Survive with little water if any, but needs rain or irrigation to bloom or grow
Propagation: Seeds
The Desert Zinnia is useful in harsh arid environment where it will receive minimum care. It will need water to grow and bloom, but an occasional watering with a hose will do the job.
Blooming Habits:
The Zinnia acerosa blooms in March-April, the flower is off white, 1.5 inches in diameter (3.7 cm). In colder areas the flowers can occasionally be damaged by frost.
Culture:
Cut back to the ground every other year to avoid a straggly look.
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