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Annual

Zinnia

Zinnia elegans (and other Zinnia spp.)

ZinniaYouth-and-old-ageCommon Zinnia

Zinnias are vibrant, daisy-like annuals cherished for their profuse blooms in a wide array of colors. They symbolize thoughts of absent friends, endurance, and lasting affection.

Plant Family

Asteraceae (Daisy family)

Blooming

Early summer to first frost (June-October), continuous blooming with deadheading

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A vibrant mix of colorful Zinnia flowers in full bloom
A vibrant mix of colorful Zinnia flowers in full bloom

Symbolism & Meanings

Key Meanings

Thoughts of absent friends
Endurance
Lasting affection
Goodness
Daily remembrance
Constancy

Perfect For

FriendshipThinking of youGet well soonSummer bouquetsRemembrance of a loved one

Color Meanings

Magenta/Bright Pink:Lasting affection
Scarlet/Red:Constancy, steadfastness
White:Goodness, purity
Yellow:Daily remembrance
Mixed Colors:Thinking of an absent friend

Cultural Significance

Named after the German botanist Johann Gottfried Zinn. Zinnias are celebrated for their easy cultivation, bright colors, and long blooming season, making them a favorite among gardeners. They were one of the first flowers to bloom in space aboard the International Space Station.

Botanical Information

Physical Characteristics

Flower Size: 0.5 inch (creeping types) to 7 inches diameter (2.5-18 cm) for large cultivars
Plant Size: 6 inches (dwarf) to 4 feet tall (15 cm - 1.2 meters)
Flower Shape: Diverse forms: single daisy-like, semi-double, fully double (dahlia-flowered, cactus-flowered, beehive, pompon, scabiosa-flowered).

Natural Habitat

Native to: Southwestern United States, Mexico, Central America, South America
Habitat: Dry grasslands, scrublands, deserts, and gardens (cultivated forms)
Climate: Warm temperate, Tropical, Subtropical; thrives in heat and sun

Growing Guide

Sunlight

Full sun (at least 6-8 hours per day) for best growth and flowering

Water

Moderate; drought tolerant once established. Water at the base to avoid wetting foliage.

Soil

Well-drained, Fertile, Humus-rich, Slightly acidic to neutral (pH 5.5-7.5)

Expert Growing Tips

1

Sow seeds directly in the garden after the last frost when soil has warmed, or start indoors 4-6 weeks earlier

2

Space plants adequately to ensure good air circulation, which helps prevent powdery mildew

3

Deadhead spent flowers regularly to prolong blooming and encourage more flower production

4

Fertilize moderately; too much nitrogen can lead to excessive foliage and fewer blooms

5

Choose disease-resistant varieties if powdery mildew is common in your area.

Uses & Benefits

Ornamental Uses

  • Bedding plants and borders
  • Cut flowers (excellent for bouquets, long vase life)
  • Butterfly gardens (attracts butterflies and other pollinators)
  • Containers and window boxes
  • Mass plantings for bold color

Traditional Uses

  • Some Zinnia species have been used in traditional folk medicine in their native regions for minor ailments (e.g., digestive issues, skin complaints). Primarily grown for ornamental purposes.

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Available Colors

Pink
Red
Orange
Yellow
Purple
White
Green
Lavender
Salmon
Chartreuse
Bicolor
Striped
Speckled

Quick Facts

Type:annual
Family:Asteraceae (Daisy family)
Native to:Southwestern United States
Blooms:Early summer to first frost (June-October), continuous blooming with deadheading

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