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Description
Helianthus Annuus Evening Sun, also known as Sunflower, is a tall annual plant that can grow up to 10 feet in height. It is a member of the Asteraceae family and is native to North America. The plant produces large yellow flowers that can measure up to 12 inches in diameter. The flowers have a dark center disk surrounded by yellow petals, and they bloom in the summer and fall.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
The Helianthus Annuus Evening Sun has a tall, erect stem with rough, hairy leaves that are green in color. The leaves are heart-shaped and can measure up to 12 inches in length. The plant produces large yellow flowers that can measure up to 12 inches in diameter. The flowers have a dark center disk surrounded by yellow petals, and they bloom in the summer and fall. The plant produces edible seeds that are commonly used for snacks and cooking.
Care Guide
The Helianthus Annuus Evening Sun requires regular watering, especially during hot, dry weather. The plant prefers well-drained soil that is rich in organic matter. It is important to fertilize the plant regularly to ensure healthy growth. The plant requires full sun exposure and is hardy in zones 2-11. It is important to protect the plant from strong winds, as the tall stems can easily break.
Common Pests & Diseases
The Helianthus Annuus Evening Sun is susceptible to several pests and diseases, including aphids, caterpillars, and rust. Aphids can be controlled with insecticidal soap, while caterpillars can be controlled with Bacillus thuringiensis. Rust can be prevented by planting in well-drained soil and avoiding overhead watering.
Habitat
The Helianthus Annuus Evening Sun is native to North America and can be found in a variety of habitats, including fields, meadows, and along roadsides. The plant is commonly grown in gardens and is a popular choice for cut flowers.
Question and Answer
Q: Can the Helianthus Annuus Evening Sun be grown in containers?
A: Yes, the plant can be grown in large containers with well-drained soil.
Q: How often should the plant be fertilized?
A: The plant should be fertilized every two weeks during the growing season.
Q: Is the Helianthus Annuus Evening Sun deer-resistant?
A: No, the plant is not deer-resistant and may require protection from browsing animals.
Q: Can the plant be propagated from cuttings?
A: No, the plant is an annual and must be grown from seed.
Related Plants
- Helianthus annuus ‘Italian White’
- Helianthus annuus ‘Lemon Queen’
- Helianthus annuus ‘Moulin Rouge’
- Helianthus annuus ‘Russian Giant’
References
- “Helianthus annuus.” Missouri Botanical Garden. Accessed September 7, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b581.
- “Growing Sunflowers.” National Gardening Association. Accessed September 7, 2021. https://garden.org/learn/articles/view/3841/.
- “Helianthus annuus.” Gardening Know How. Accessed September 7, 2021. https://www.gardeningknowhow.com/ornamental/flowers/sunflower/growing-evening-sun-sunflowers.htm.
