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Common zinnia
Also known as: Youth-And-Old-Age, Youth and Old Age, Elegant zinnia, Zinnia
The common zinnia is a popular garden plant that has usually been hybridized from different wild varieties. It thrives in relatively dry conditions with good airflow and comes in many colors.
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Annual, Biennial
Lifespan
Herb
Plant Type
Summer, Fall
Bloom Time
Early fall
Harvest Time
15 cm to 1 m
Plant Height
30 cm to 60 cm
Spread
Green
Leaf Color
5 cm to 7 cm
Flower Size
Yellow, Red, Orange, White, Purple, Pink, Green, Cream, Gold
Flower Color
Green
Stem Color
Winter dormancy
Dormancy
Deciduous
Leaf type
20 - 35 ℃
Ideal Temperature
Summer, Fall
Growth Season
Rapid
Growth Rate

Images of Common zinnia

Distribution of Common zinnia

Distribution Map
Common zinnia is native to the dry grasslands and scrublands of Central America. This popular garden plant has become naturalized through much of the rest of the world; it is grown as an ornamental with no concerns about invasiveness.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Disturbed sites
Hemisphere Trend Curve
Flowering
Fruiting

Culture

Garden Use
Common zinnia is most popularly planted in flowerbeds. Usually appreciated for its distinctively fluffy, bright blooms, it is also planted in vegetable gardens to attract pollinators and thus increase yields. The varying heights, sizes, colors, and forms available can suit just about any type of garden. Common zinnia can look particularly striking next to Purple fountain grass, Dahlias, and Toothpick weed.
Symbolism
Endurance, lasting friendship, remembrance
Interesting Facts
The elegant zinnia is a part of the Compositae plant family originating in tropical America. It has been widely planted because of its large and beautiful flowers with unique shape and long flowering period. It has become a common summer garden flower. Generally, the flower represents excitement. Mixed colors of the flower symbolize the missing of deceased friends; red ones represent steadfastness; white ones mean kindness; and yellow ones are an everyday greeting. People with this birth flower are enthusiastic and lively. They are easily excited by their surroundings. They are also very emotional, especially in the face of love, their thoughts are rather difficult to predict, making their lovers feel hopeless.
Name Story
Common zinnia: The genus name, Zinnia is also often used as its common name. In fact, the name, Zinnia is given to the plant in memory of the German botanist, Johann Gottfried Zinn. As this plant is the most famous species of the genus and is often cultivated as an ornamental plant, it is called common zinnia.
Youth-and-age: Since the center of the Zinnia appeared as if new flower blooming within an older one, it became popular in Victorian America and referred Zinnia as "youth-and-age."
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Quickly Identify Common zinnia

1
Robust stems reaching 8 inches to 3.3 feet (20 cm to 1 m) in height.
2
Solitary, composite flowers with petals ranging from white to deep red, 1 to 4 inches (2.5 to 10 cm) in diameter.
3
Large to gigantic flowers with heads 4-8 inches (10-20 cm) in diameter, excluding blue colors.
4
Obtuse, bicolored involucral bracts in semidouble to double flowers, with showy, reflexed ray flowers up to 8 inches (20 cm) long.
5
Opposite, sessile, ovate to elliptic leaves with entire margins, 2-4 inches (5-10 cm) wide, showcasing 5 prominent palmate veins.
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Care Guide for Common zinnia

Twice per week
Water
Full sun
Sunlight
20 - 35 ℃
Ideal Temperature
Water: Common zinnia flourishes in warm, rainy conditions, needing watering twice weekly for optimal growth. This annual flowering herb is best grown outdoors in the warm season, benefiting from natural rainfall for healthy development.
Fertilize: Fertilize common zinnia every 2-3 weeks with a high phosphorus fertilizer (5-10-5 NPK) for optimal blooms and root strength. Use about 1/4 cup per plant, avoiding foliage contact. Reduce feeding in late summer and water the soil post-application for nutrient uptake.
Pruning: Common zinnia thrives with strategic pruning; pinch tips in early spring for branching and deadhead flowers for continuous blooms. Shape and remove dead stems in late spring. Regular pruning enhances growth, improves air circulation, and extends the flowering period for a healthier plant.
Propagation: Common zinnia flourishes through sowing in well-draining soil with consistent moisture. Shallow sowing aids germination; proper spacing ensures air circulation. Thin seedlings to prevent overcrowding and disease. With care, common zinnia produces vibrant blooms, rewarding gardeners with a beautiful display.
Repotting: For successful planting of common zinnia, apply compound fertilizer to the pot's bottom. After planting, ensure root irrigation and perform disinfection to promote healthy growth.
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