Contents
Description
Achillea Millefolium Var. Occidentalis, commonly known as western yarrow or mountain yarrow, is a member of the Asteraceae family. It is a perennial herb that is native to North America, particularly in the western United States. It typically grows up to three feet tall and has feathery, fern-like leaves. It produces small, white flowers that form in flat-topped clusters at the top of the stem. The flowers bloom from June to August and have a pleasant fragrance.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Achillea |
Appearance
Achillea Millefolium Var. Occidentalis has feathery, fern-like leaves that are about 3-4 inches long and deeply divided into many small leaflets. The stem is typically hairy and can range in color from green to reddish-brown. The flowers are small, white, and form in flat-topped clusters that are about 2-4 inches wide. The plant blooms from June to August and can attract butterflies and other pollinators. The roots are fibrous and can spread quickly, making this plant a good choice for ground cover.
Care Guide
Achillea Millefolium Var. Occidentalis is a hardy plant that requires minimal care. It prefers well-draining soil and full sun, but it can also tolerate partial shade. The plant can be watered regularly, but it is important not to overwater it as this can lead to root rot. Fertilization is not necessary, but a light application of compost or organic fertilizer in the spring can help promote healthy growth. This plant is drought-tolerant and can survive in a wide range of hardiness zones, from 3 to 9.
Common Pests & Diseases
Achillea Millefolium Var. Occidentalis is relatively pest and disease-resistant. However, it can be susceptible to powdery mildew, which can be controlled by removing infected leaves and providing good air circulation around the plant. Spider mites and aphids can also be a problem, but they can be controlled with insecticidal soap or neem oil.
Habitat
Achillea Millefolium Var. Occidentalis is native to North America, particularly in the western United States. It can be found in a variety of habitats, including meadows, prairies, and open woodlands. It can also grow well in gardens and landscapes, as long as it is provided with the appropriate growing conditions.
Question and Answer
Q: Is Achillea Millefolium Var. Occidentalis an invasive plant?
A: No, this plant is not considered invasive. It spreads by rhizomes, but it is not aggressive and can be easily controlled.
Q: Can Achillea Millefolium Var. Occidentalis be grown in containers?
A: Yes, this plant can be grown in containers as long as it is provided with well-draining soil and full sun.
Q: Can Achillea Millefolium Var. Occidentalis be propagated from cuttings?
A: Yes, this plant can be propagated from stem cuttings taken in the spring or fall.
Q: Is Achillea Millefolium Var. Occidentalis toxic to pets?
A: No, this plant is not toxic to pets or humans.
Related Plants
- Achillea Millefolium
- Achillea Millefolium Var. Rubra
- Achillea Ptarmica
- Achillea Filipendulina
References
- https://www.wildflower.org/plants/result.php?id_plant=ACMIO
- https://www.gardeningknowhow.com/edible/herbs/yarrow/growing-mountain-yarrow.htm
- https://www.gardeningknowhow.com/edible/herbs/yarrow/growing-mountain-yarrow.htm
- https://www.hgtv.com/outdoors/flowers-and-plants/herbs/how-to-grow-yarrow
