Narrowleaf Zinnia
Zinnia angustifolia
Star Orange
About this plant
Zinnia angustifolia, commonly known as Narrowleaf Zinnia, is a compact flowering plant with slender leaves and bright, daisy-like flowers. It blooms profusely in warm weather, adding vibrant color to gardens and containers. This plant is popular for its long flowering period and ability to attract butterflies.
Taxonomy
- Genus
- Zinnia
- Family
- Asteraceae
- Higher classification
- Asterales
- Plant type
- Annual
- Lifespan
- Annual
Origin & Distribution
- Native region
- Mexico, Central America
- Distribution
- Widely cultivated in gardens worldwide, especially in temperate and warm regions.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 35 °C
- Optimal
- 18–27 °C
- USDA hardiness zones
- 3–10
- Soil pH
- 6.0–7.5 (neutral to slightly acidic)
- Soil type
- well-draining loam or sandy soil
Watering. Water regularly but allow the soil to dry out between watering to prevent root rot. During hot weather, increase watering frequency.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4 to 6 weeks during the growing season to encourage continuous blooming.
Zinnia angustifolia is a tough and easy-to-grow plant that thrives in full sun and well-drained soil. It tolerates dry conditions well but benefits from regular watering during hot, dry spells. It rarely faces serious problems and requires minimal maintenance, making it great for beginners.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer–fall
Bright, colorful flowers with narrow green leaves; compact and bushy form.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, safe to grow around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Zinnia angustifolia can produce pollen that might cause mild allergic reactions in sensitive individuals, such as sneezing or itchy eyes. People who are allergic to pollen should handle the plant with care and avoid inhaling pollen during its flowering period.
Common problems
Overwatering can cause root rot, and poor air circulation may lead to powdery mildew. Occasionally, aphids or spider mites may appear but are usually easy to control.
Uses
Primarily grown as an ornamental plant for garden beds, borders, and containers. It attracts pollinators like butterflies and bees.
Notes
Deadhead spent flowers regularly to promote more blooms. Avoid overhead watering to reduce fungal diseases. Can be grown in containers or garden beds.