Zinnienblüte Zinnia elegans stack15 20190722-RM-7222254.jpg. by Ermell. CC BY-SA 4.0. via Wikimedia Commons
CC BY-SA 4.0 · Wikimedia Commons
Zinnia Plant Care
Zinnia elegans L.
Zinnia elegans (syn. Zinnia violacea) known as youth-and-age,[3] common zinnia or elegant zinnia, is an annual flowering plant in the family Asteraceae. It is native to Mexico but grown as an ornamental in many places and naturalised in several places, including scattered locations in South and Central America, the West Indies, the United States, Australia, and Italy.[4][5][6][7][8][9]
Every 3–5 days
Full sun
60–90°F
40–60%
What Is the Zinnia?
Zinnia (Zinnia elegans) belongs to the Asteraceae family within the Zinnia genus. Zinnia is native to Mexico. Zinnia is also known as Common Zinnia, Garden Zinnia, Youth-and-Old-Age.
Zinnia displays an upright, bushy annual growth habit, reaching up to 2 inches tall with a spread of approximately 1 inches. Zinnia produces colorful, daisy-like flowers in various shades.
Leaf size: approximately 3 inches.
How Often Should You Water a Zinnia?
Zinnia elegans requires watering every 3–5 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 3–5 days
Let soil partially dry between waterings
What Light Does the Zinnia Need?
Zinnia thrives in full sun light conditions. The optimal light range is 2000–5000 lux. Avoid placing Zinnia in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun
2000–5000 lux
What Temperature and Humidity Does the Zinnia Prefer?
Zinnia elegans grows best at temperatures between 60°F and 90°F. Zinnia prefers humidity levels of 40–60%.
Temperature
60–90°F
Humidity
40–60%
What Soil Mix Works Best for a Zinnia?
Well-draining, fertile soil with good organic content. Good drainage is essential for Zinnia to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Zinnia?
Not applicable as it is an annual plant. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Zinnia?
Zinnia can be propagated through seeds.
Fertilizing
Every 4 months
During the growing season
Is the Zinnia Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Zinnia?
Zinnia is susceptible to aphids, spider mites, powdery mildew. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Zinnia Need?
Zinnia grows outdoors in USDA Zone 9a – 13b. Native to Mexico, Zinnia is adapted to warm climates. In cooler regions, grow Zinnia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 13b
Keep exploring plants
Zinnia is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Zinnia genus — compare its care with other Zinnia species on PlantoScan.
Zinnia thrives in bright light and direct sun — see other bright-light plants.