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Description
Achillea Lewisii King Edward is a perennial herbaceous plant that belongs to the Asteraceae family. It is also known as Lewis’ yarrow or King Edward yarrow. This species is native to the western United States, particularly in the Rocky Mountains and Sierra Nevada regions. It can grow up to 60 cm tall, with a spread of 60 cm. This plant produces clusters of small, white flowers that bloom in the summer.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Achillea |
Appearance
Achillea Lewisii King Edward has a clump-forming habit, with leaves that are fern-like and feathery. The leaves are gray-green in color and can reach up to 10 cm long. The flowers are arranged in clusters at the top of the stems, with each flower measuring around 5 mm in diameter. They have white petals and yellow centers, and bloom from June to August. The plant can grow up to 60 cm tall and has a spread of 60 cm.
Care Guide
Achillea Lewisii King Edward is a low-maintenance plant that prefers well-draining soil and full sunlight exposure. It is drought-tolerant and can survive in a range of soil types. Watering should be done moderately, allowing the soil to dry out between watering sessions. Fertilization is not necessary, but a light application of compost or balanced fertilizer during the growing season can improve plant growth. This plant is hardy in USDA zones 4-8.
Common Pests & Diseases
Achillea Lewisii King Edward is relatively pest and disease-free. However, it may be susceptible to powdery mildew, rust, and fungal leaf spots. To prevent these diseases, avoid overcrowding plants and ensure proper air circulation. If necessary, apply a fungicide in the early stages of the disease. As for pests, aphids and spider mites may infest the plant. These can be controlled by spraying the plant with a strong stream of water or using insecticidal soap.
Habitat
Achillea Lewisii King Edward is native to the Rocky Mountains and Sierra Nevada regions in the western United States. It grows in a variety of habitats, such as meadows, rocky slopes, and dry open woods. This plant is commonly used in xeriscaping, rock gardens, and wildflower gardens.
Question and Answer
Q: Can Achillea Lewisii King Edward tolerate drought?
A: Yes, this plant is drought-tolerant and can survive in dry conditions.
Q: How do I propagate Achillea Lewisii King Edward?
A: This plant can be propagated through division or by taking stem cuttings in the spring or fall.
Q: Is Achillea Lewisii King Edward deer-resistant?
A: Yes, this plant is deer-resistant due to its strong scent and bitter taste.
Q: How often should I fertilize Achillea Lewisii King Edward?
A: Fertilization is not necessary, but a light application of compost or balanced fertilizer during the growing season can improve plant growth.
Related Plants
- Achillea millefolium
- Achillea ptarmica
- Achillea filipendulina
- Achillea tomentosa
References
- “Achillea lewisii.” USDA Plants Database.
- “Achillea lewisii – Hook.” Montana Plant Life.
- “King Edward Yarrow (Achillea lewisii).” High Country Gardens.
- “Achillea lewisii.” Missouri Botanical Garden.
