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Description
Helianthus annuus Vincent’s Choice, also known as Sunflower Vincent’s Choice, is an annual plant belonging to the Asteraceae family. It is a tall, erect plant that can grow up to 6 feet tall and 3 feet wide. It has a single stem with large, bright yellow flower heads that can reach up to 12 inches in diameter. The flowers are composed of both ray florets and disk florets, which attract bees and butterflies. The central disk of the flower head produces edible seeds that are commonly used for bird feed and oil production.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
Helianthus annuus Vincent’s Choice has a single stem that is covered in coarse hair. The leaves are large, broad, and heart-shaped, with jagged edges. The flower heads are held on long stalks and are composed of bright yellow petals that surround a dark central disk. The flowers bloom in mid-summer to fall, depending on the planting time. The seeds are large and flat, with a black and white striped pattern, and are enclosed in a hard, spiky shell.
Care Guide
Helianthus annuus Vincent’s Choice is a low-maintenance plant that requires minimal care. It prefers full sun exposure and well-drained, fertile soil. The plant should be watered regularly, but not over-watered, as it can lead to root rot. Fertilization is recommended at planting time and then again in mid-summer. The plant is hardy in Zones 4-10 and should be protected from frost.
Common Pests & Diseases
Helianthus annuus Vincent’s Choice is generally not susceptible to many pests and diseases. However, it can be affected by aphids, whiteflies, and spider mites. These pests can be controlled by spraying the plant with insecticidal soap or neem oil. Powdery mildew and downy mildew can also occur, but can be prevented by ensuring good air circulation around the plant and avoiding overhead watering.
Habitat
Helianthus annuus Vincent’s Choice is native to North America and is commonly found in fields, meadows, and along roadsides. It prefers open, sunny areas with well-drained soil. The plant is also grown in gardens and as a commercial crop for its edible seeds and oil.
Question and Answer
Q: Can Helianthus annuus Vincent’s Choice grow in containers?
A: Yes, it can be grown in large containers, provided they are deep enough to accommodate its long taproot.
Q: How long does it take for Helianthus annuus Vincent’s Choice to bloom?
A: The plant typically blooms in 70-90 days after planting.
Q: Is Helianthus annuus Vincent’s Choice deer-resistant?
A: No, deer are attracted to the plant and may cause damage to the leaves and flowers.
Q: Can Helianthus annuus Vincent’s Choice be used for cut flowers?
A: Yes, the flowers can be cut and used in floral arrangements.
Related Plants
- Helianthus annuus ‘Russian Giant’
- Helianthus annuus ‘Autumn Beauty’
- Helianthus annuus ‘Italian White’
- Helianthus annuus ‘Lemon Queen’
References
- “Helianthus annuus.” Missouri Botanical Garden. Accessed 23 June 2021. <http://www.missouribotanicalgarden.org/plantfinder/plantfinderdetails.aspx?kempercode=a235>.
- “Sunflower, Vincent’s Choice.” National Gardening Association. Accessed 23 June 2021. <https://garden.org/plants/view/2862/Sunflower-Helianthus-annuus-Vincents-Choice/>.
- “Sunflower.” The Old Farmer’s Almanac. Accessed 23 June 2021. <https://www.almanac.com/plant/sunflowers>.
