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Description
The Helianthus Annuus Mammoth Grey Stripe, commonly known as the sunflower, is a member of the Asteraceae family. It is an annual plant that can grow up to 12 feet tall and 4 feet wide. The plant produces a large flower head that can reach up to 1 foot in diameter. The flower head is composed of numerous small flowers arranged in a spiral pattern.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
The Helianthus Annuus Mammoth Grey Stripe has a large, single flower head with yellow petals and a dark center. The stem is rough and hairy, and the leaves are broad and slightly fuzzy. The plant is typically green in color, but some varieties may have a greyish tint to the leaves. The flower head can be used for decorative purposes, and the seeds can be harvested and eaten.
Care Guide
The Helianthus Annuus Mammoth Grey Stripe requires regular watering, especially during hot and dry weather. It prefers well-draining soil with a pH between 6.0 and 7.5. Fertilization should be done every 3-4 weeks with a balanced fertilizer. The plant requires full sun, and it is hardy in zones 4-10.
Common Pests & Diseases
The Helianthus Annuus Mammoth Grey Stripe is susceptible to several pests and diseases, including aphids, caterpillars, and powdery mildew. Aphids can be controlled with insecticidal soap or neem oil, while caterpillars can be removed by hand. Powdery mildew can be prevented by ensuring good air circulation around the plant.
Habitat
The Helianthus Annuus Mammoth Grey Stripe is native to North America and is commonly found in fields, meadows, and along roadsides. It is also grown for ornamental and agricultural purposes in gardens and farms.
Question and Answer
Q: How tall can the Helianthus Annuus Mammoth Grey Stripe grow?
A: The plant can grow up to 12 feet tall.Q: What is the preferred pH range for the soil?
A: The plant prefers soil with a pH between 6.0 and 7.5.Q: What pests can damage the Helianthus Annuus Mammoth Grey Stripe?
A: Aphids and caterpillars can damage the plant.Q: What is the hardiness zone for the Helianthus Annuus Mammoth Grey Stripe?
A: The plant is hardy in zones 4-10.
Related Plants
- Helianthus annuus ‘Italian White’
- Helianthus annuus ‘Lemon Queen’
- Helianthus annuus ‘Red Sun’
- Helianthus annuus ‘Russian Giant’
References
- https://www.gardeningknowhow.com/ornamental/flowers/sunflower/sunflower-care.htm
- https://www.almanac.com/plant/sunflowers
- https://www.bhg.com/gardening/plant-dictionary/annual/sunflower/
