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Description
Helianthus Debilis, also known as the cucumber-leaf sunflower or Eastwood’s sunflower, is a herbaceous annual plant native to the United States. It belongs to the family Asteraceae and is popular for its showy flowers that bloom in the summer and fall.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
Helianthus Debilis can grow up to 2-6 feet tall and 1-2 feet wide. Its leaves are alternate, ovate, and have a rough texture. The flowers are yellow and have a diameter of 2-3 inches. The plant produces small, black seeds that can be harvested in the fall.
Care Guide
To grow Helianthus Debilis successfully, follow these care guidelines:
- Water: Water the plant regularly, ensuring that the soil is moist but not waterlogged.
- Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.
- Soil: Plant Helianthus Debilis in well-draining soil that is rich in organic matter.
- Sunlight: The plant prefers full sun but can tolerate partial shade.
- Hardiness Zones: Helianthus Debilis can grow in USDA Hardiness Zones 3-9.
Common Pests & Diseases
Helianthus Debilis is susceptible to aphids, spider mites, and powdery mildew. To prevent these pests and diseases, keep the plant healthy by providing proper care and monitoring for any signs of infestation or infection. Use organic insecticides and fungicides if necessary.
Habitat
Helianthus Debilis is commonly found in open fields, meadows, and along roadsides. It prefers well-draining soils and can tolerate drought conditions.
Question and Answer
Q: Can Helianthus Debilis grow in containers?
A: Yes, Helianthus Debilis can grow in containers as long as they are large enough to accommodate the plant’s size and have good drainage.
Q: How often should I fertilize Helianthus Debilis?
A: Fertilize the plant once a month during the growing season with a balanced fertilizer.
Q: How do I propagate Helianthus Debilis?
A: Helianthus Debilis can be propagated by seed. Sow the seeds in the spring after the last frost and keep the soil moist until germination.
Q: How tall does Helianthus Debilis grow?
A: Helianthus Debilis can grow up to 2-6 feet tall.
Related Plants
- Helianthus annuus (Common sunflower)
- Helianthus maximiliani (Maximilian sunflower)
- Helianthus petiolaris (Prairie sunflower)
- Helianthus tuberosus (Jerusalem artichoke)
References
- Missouri Botanical Garden. (2021). Helianthus debilis. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=n500
- North Carolina State University. (n.d.). Helianthus debilis. Retrieved from https://plants.ces.ncsu.edu/plants/helianthus-debilis/
- USDA Plants Database. (n.d.). Helianthus debilis Nutt. Retrieved from https://plants.usda.gov/core/profile?symbol=HEDE3
