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Description
Helichrysum Ruderale, also known as the Wild Sunflower, is a wildflower that is native to the Mediterranean region. It belongs to the Asteraceae family and is characterized by its bright yellow flowers and silver-grey leaves. The plant can reach a height of up to 50cm and has a spread of about 30cm. Helichrysum Ruderale is an annual plant and blooms from July to September.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helichrysum |
Appearance
Helichrysum Ruderale has bright yellow daisy-like flowers with a diameter of about 2cm. The flowers are arranged in clusters at the top of the stem. The plant has silver-grey leaves that are narrow and linear, and covered with fine hairs. The stem is upright and branching, and can be rough to the touch. Helichrysum Ruderale is generally a compact plant and is suitable for growing in containers or borders.
Care Guide
To care for Helichrysum Ruderale, you need to provide it with adequate water, fertilization, soil, sunlight, and ensure that it is grown in the appropriate hardiness zone.
Water: Helichrysum Ruderale requires moderate watering. Water the plant when the top layer of soil feels dry to the touch. Do not overwater as this can lead to root rot.
Fertilization: The plant requires regular fertilization to thrive. Use a balanced liquid fertilizer every two weeks during the growing season.
Soil: Helichrysum Ruderale prefers well-draining soil that is rich in organic matter. A sandy soil that is slightly acidic is ideal.
Sunlight: The plant requires full sun to grow and bloom properly. Ensure that it is planted in an area that receives at least 6 hours of direct sunlight daily.
Hardiness Zones: Helichrysum Ruderale is hardy in USDA zones 8-11.
Common Pests & Diseases
Helichrysum Ruderale is relatively pest and disease-free. However, it may be susceptible to powdery mildew and spider mites. Regular inspection and treatment with appropriate insecticides and fungicides can help prevent these problems.
Habitat
Helichrysum Ruderale is native to the Mediterranean region and can be found growing in rocky areas, dry meadows, and on hillsides. The plant prefers well-drained soil and full sunlight.
Question and Answer
Q: Can Helichrysum Ruderale be grown indoors?
A: Yes, Helichrysum Ruderale can be grown indoors as long as it is provided with adequate sunlight and well-draining soil.
Q: How long does it take for Helichrysum Ruderale to bloom?
A: Helichrysum Ruderale blooms from July to September, which is about 60-70 days after planting.
Q: Is Helichrysum Ruderale a perennial or annual plant?
A: Helichrysum Ruderale is an annual plant.
Q: How often should I fertilize Helichrysum Ruderale?
A: Helichrysum Ruderale should be fertilized every two weeks during the growing season with a balanced liquid fertilizer.
Related Plants
Other plants in the Helichrysum genus include:
- Helichrysum italicum
- Helichrysum petiolare
- Helichrysum stoechas
- Helichrysum bracteatum
References
- “Helichrysum ruderale.” Missouri Botanical Garden. Accessed August 12, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286178&isprofile=0&basic=helichrysum%20ruderale.
- “Helichrysum ruderale.” Royal Horticultural Society. Accessed August 12, 2021. https://www.rhs.org.uk/plants/230777/i-helichrysum-ruderale-i/details.
- “Helichrysum Ruderale.” Gardening Know How. Accessed August 12, 2021. https://www.gardeningknowhow.com/ornamental/flowers/helichrysum/helichrysum-ruderale.htm.
