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Description
Helenium Pinnatifidum, also known as the cut-leaf sneezeweed, is a perennial plant that belongs to the Asteraceae family. The plant is native to North America and can grow up to 1 meter tall. It produces yellow-orange flowers that bloom from June to October. The plant is known for its medicinal properties and is used for treating respiratory problems, fever, and cough.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helenium |
Appearance
The Helenium Pinnatifidum plant has narrow, deeply cut leaves that are greenish-gray in color. The leaves can grow up to 20 cm long and 5 cm wide. The plant produces yellow-orange flowers that are about 4 cm in diameter. The flowers have a prominent central disk surrounded by ray petals. The plant blooms from June to October and can grow up to 1 meter tall.
Care Guide
Water
The Helenium Pinnatifidum plant requires moderate watering. The soil should be kept moist but not waterlogged. During the growing season, the plant should be watered once a week. In the winter, the plant should be watered sparingly.
Fertilization
The Helenium Pinnatifidum plant requires regular fertilization. A balanced fertilizer should be applied every two weeks during the growing season. The plant should not be fertilized during the winter.
Soil
The Helenium Pinnatifidum plant requires well-draining soil that is rich in organic matter. The soil should be slightly acidic with a pH between 6.0 and 7.0. The plant can tolerate a wide range of soil types.
Sunlight
The Helenium Pinnatifidum plant requires full sunlight to thrive. It should be planted in an area that receives at least 6 hours of direct sunlight per day.
Hardiness Zones
The Helenium Pinnatifidum plant is hardy in USDA zones 3-9.
Common Pests & Diseases
The Helenium Pinnatifidum plant is susceptible to powdery mildew, rust, and spider mites. To prevent these diseases, the plant should be kept in a well-ventilated area and the leaves should be kept dry. Insecticidal soap can be used to control spider mites.
Habitat
The Helenium Pinnatifidum plant is native to North America and can be found in prairies, meadows, and along riverbanks. The plant prefers well-draining soil and full sunlight.
Question and Answer
Q: Is the Helenium Pinnatifidum plant poisonous?
A: No, the plant is not poisonous.
Q: Can the Helenium Pinnatifidum plant be grown in containers?
A: Yes, the plant can be grown in containers as long as the container is large enough to accommodate the plant’s root system.
Q: How often should the Helenium Pinnatifidum plant be pruned?
A: The plant should be pruned in the fall after it has finished blooming.
Q: How long does the Helenium Pinnatifidum plant live?
A: The plant can live for several years if it is well cared for.
Related Plants
- Helenium autumnale
- Helenium flexuosum
- Helenium hoopesii
- Helenium microcephalum
References
- Bonnie, R. (2006). Helenium pinnatifidum. Missouri Botanical Garden. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=278029&isprofile=0&cv=5
- Helenium pinnatifidum. (n.d.). PlantFiles. Retrieved from https://davesgarden.com/guides/pf/go/111522/
- Helenium pinnatifidum. (n.d.). North Carolina State University Extension. Retrieved from https://plants.ces.ncsu.edu/plants/helenium-pinnatifidum/
