Contents
Description
Helianthus Annuus Russian Mammoth, also known as the Russian sunflower, is an annual plant native to North America but widely cultivated in other parts of the world. It is part of the Asteraceae family and is grown for its large yellow flowers and edible seeds, which are commonly used to produce oil.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Anthophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
The Helianthus Annuus Russian Mammoth can grow up to 10 feet tall, with leaves that are broad and heart-shaped. Its flowers can reach up to 12 inches in diameter and are yellow in color. The plant produces edible seeds that are gray or black in color and can be up to 2 inches long.
Care Guide
The Helianthus Annuus Russian Mammoth is a hardy plant that is easy to grow. It requires regular watering and fertilization to thrive. The plant prefers well-drained soil that is rich in organic matter, and it requires full sunlight to grow properly. It can tolerate a wide range of temperatures and is hardy in zones 4-9.
Common Pests & Diseases
The Helianthus Annuus Russian Mammoth is susceptible to a number of pests and diseases, including aphids, caterpillars, and powdery mildew. Regular inspection and treatment with insecticides and fungicides can help prevent these problems.
Habitat
The Helianthus Annuus Russian Mammoth is native to North America and is commonly found in fields and along roadsides. It is widely cultivated in other parts of the world for its oil-rich seeds and ornamental value.
Questions and Answers
Q: How long does it take for the Helianthus Annuus Russian Mammoth to flower?
A: The plant typically flowers within 60-90 days of planting.
Q: Can the Helianthus Annuus Russian Mammoth be grown in containers?
A: Yes, the plant can be grown in large containers, but it may not reach its full height potential.
Q: What is the best time of year to plant the Helianthus Annuus Russian Mammoth?
A: The plant should be planted in the spring after the last frost has passed.
Q: Is the Helianthus Annuus Russian Mammoth an invasive species?
A: No, the plant is not considered invasive, but it can spread quickly if not properly maintained.
Related Plants
- Helianthus Annuus
- Helianthus Debilis
- Helianthus Maximiliani
References
- “Helianthus Annuus.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279299&isprofile=0
- “Sunflower, Russian Mammoth.” Burpee Seeds, www.burpee.com/flowers/sunflowers/sunflower-russian-mammoth-prod000467.html
- “Helianthus Annuus Russian Mammoth.” Gardenia, www.gardenia.net/plant-variety/helianthus-annuus-russian-mammoth-russian-sunflower
