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Description
Helianthus Salicifolius Low Down, also known as willow-leaved sunflower, is a perennial plant that belongs to the Asteraceae family. It is native to North America, particularly in the eastern and central regions of the United States. It is a popular garden plant due to its attractive yellow flowers, which bloom from mid-summer to early fall.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
Appearance
Helianthus Salicifolius Low Down can grow up to 3-4 feet tall and 2-3 feet wide. It has narrow, lance-shaped leaves that are up to 6 inches long and 1 inch wide. The leaves are dark green in color and have a slightly rough texture. The plant produces bright yellow flowers that are 2-3 inches in diameter. The flowers have a brownish center and are arranged in clusters at the top of the stem.
Care Guide
Helianthus Salicifolius Low Down is a low-maintenance plant that is easy to grow. Here are some care tips:
- Water: Water the plant regularly, especially during hot and dry weather. Make sure the soil is moist but not waterlogged.
- Fertilization: Fertilize the plant in the spring with a balanced fertilizer. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.
- Soil: The plant prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil types, as long as they are not too acidic.
- Sunlight: Helianthus Salicifolius Low Down thrives in full sun but can also tolerate partial shade.
- Hardiness Zones: The plant is hardy in USDA zones 4-9.
Common Pests & Diseases
Helianthus Salicifolius Low Down is generally resistant to pests and diseases. However, it can occasionally be affected by the following:
- Aphids: These small insects can suck the sap from the plant, causing stunted growth and distorted leaves. Control them by spraying the plant with a strong jet of water or using insecticidal soap.
- Sunflower moths: These caterpillars can feed on the flowers and buds, causing them to wilt and die. Control them by handpicking or using Bacillus thuringiensis (BT) insecticide.
- Powdery mildew: This fungal disease can cause a white powdery coating on the leaves, reducing their photosynthetic capacity. Control it by improving air circulation around the plant and using fungicides.
Habitat
Helianthus Salicifolius Low Down is native to North America, where it grows in open woodland, prairies, and meadows. It prefers moist, well-drained soil and full sun to partial shade. It can tolerate a wide range of soil types, from sandy to loamy.
Question and Answer
Q: Can Helianthus Salicifolius Low Down grow in containers?
A: Yes, the plant can be grown in containers as long as they are large enough to accommodate its size and provide adequate drainage.
Q: How often should I fertilize Helianthus Salicifolius Low Down?
A: You should fertilize the plant once a year, in the spring, with a balanced fertilizer.
Q: How do I propagate Helianthus Salicifolius Low Down?
A: You can propagate the plant by division in the spring or fall. Dig up the clump and separate it into smaller sections, making sure each section has some roots and foliage. Replant the sections in well-drained soil.
Q: When is the best time to prune Helianthus Salicifolius Low Down?
A: You should prune the plant in the spring, before new growth begins. Cut back the stems to just above the ground to encourage bushier growth and more flowers.
Related Plants
- Helianthus annuus (common sunflower)
- Helianthus decapetalus (thin-leaved sunflower)
- Helianthus maximiliani (Maximilian’s sunflower)
- Helianthus tuberosus (Jerusalem artichoke)
References
- Bonnie Plants. (n.d.). Willowleaf sunflower. Retrieved from https://bonnieplants.com/product/willowleaf-sunflower/
- Missouri Botanical Garden. (n.d.). Helianthus salicifolius. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279776
- University of Florida IFAS Extension. (2021). Willow-leaved sunflower. Retrieved from https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/willow-leaved-sunflower.html
