Mexican zinnia (Zinnia haageana)

Mexican zinnia

Also known as: Orange zinnia

Mexican zinnia (Zinnia haageana) is an annual shrub native to Mexico in the large Zinnia family of flowering plants. Mexican zinnia and other Zinnia species are cultivated ornamentally due to their large, colorful blooms.

Scientific classification

Species

Mexican zinnia (Zinnia haageana)

Asters bellflowers fanflowers and allies

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Annual, Biennial

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

Summer, Fall

Harvest Time

30 cm to 45 cm

Plant Height

Green, Brown

Stem Color

Winter dormancy

Dormancy

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Summer, Fall

Growth Season

Rapid

Growth Rate

Images of Mexican zinnia

Distribution of Mexican zinnia

Distribution Map

Mexican zinnia is native to Mexico, where it grows in scrub and dry grassland habitats. It has been introduced to Europe, India, and northeast Australia. This plant is grown as a garden ornamental in parts of North America, especially in dry conditions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Garden

Hemisphere Trend Curve

Northern

Sorthern

Flowering

Fruiting

Culture

Garden Use

Mexican zinnia is a popular plant in summer and container gardens, prized for its colorful flowers that bloom steadily throughout the season, and its ability to spread across small areas as a temporary ground cover. Mexican zinnia adds a contrasting color to coneflower groupings, or behind a border of dianthus.

Symbolism

Thinking of you; remembering absent friends, sentimentality

Name Story

Mexican zinnia: The genus name honors the German botanist Johann Gottfried Zinn. This species is known for its spectacular colored flowers that bloom throughout all season and the flowers look incredible especially when the flowers filled the window boxes and containers. Since it is originated from Mexico, it is called Mexican zinnia.

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Cultivars

There are several recognized cultivars of Mexican zinnia, including the following common varieties :

Mexican zinnia 'Old Mexico'

Quickly Identify Mexican zinnia

Compact growth reaching 1 foot 6 inches (46 cm) in height with lance-shaped leaves.

Vibrant daisy-like flowers with central disk and ray florets in multiple hues.

Tiny single blooms, 1 inch (2.54 cm) diameter, in vibrant orange or red shades.

Circular arrangement of petals around central disc floret, negligible scent.

Flourishes in summer, providing a burst of color, easily recognizable due to size and brightness.

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Care Guide for Mexican zinnia

Twice per week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from semi-arid environments, mexican zinnia exhibits drought tolerance and requires consistent watering twice a week for optimal growth. Thriving outdoors, it benefits from increased humidity during its peak growing season to enhance blooming vitality.

Fertilize: To ensure optimal blooming for mexican zinnia, feed monthly with high phosphorus fertilizers during the growing season, using a quarter-strength solution. Reduce feeding in fall and winter, and always water before fertilizing to protect roots. Following these guidelines promotes vivid blossoms and vigorous growth.

Pruning: Mexican zinnia showcases vibrant daisy-like flowers. Key care tips include deadheading to enhance blooming and cutting back one-third in spring for bushier growth. Pruning improves air circulation, reducing disease risks. Always use clean, sharp tools and dispose of diseased materials promptly.

Propagation: Mexican zinnia flourishes when seeds are directly sown in well-draining, organic-rich soil. Start seeds indoors in sterile potting mix at 1/4 inch depth, keeping the soil moist and at a consistent temperature. Thin out weaker seedlings and transplant outdoors after frost danger has passed.

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