Contents
Description
Ambrosia Chamissonis, also known as Silver Bur Ragweed, is a herbaceous plant belonging to the Asteraceae family. This plant is native to North America and is commonly found in the western United States, particularly in California. It is an annual plant that grows up to 2 meters in height and 1 meter in width. Its stem is erect, branching, and covered with fine hairs. The leaves are alternate, lobed or toothed, and also covered with fine hairs. It blooms from late spring to early fall, producing small, yellow-green flowers that are arranged in clusters.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Ambrosia |
Appearance
Ambrosia Chamissonis has a unique appearance that makes it easily recognizable. The plant has a tall, erect stem that is covered in fine hairs. Its leaves are alternate, lobed, and also covered in fine hairs. The plant produces small, yellow-green flowers that are arranged in clusters. The flowers give way to round, bur-like fruits that are covered in stiff, silver hairs. These fruits are the reason why the plant is also known as Silver Bur Ragweed. The plant can grow up to 2 meters in height and 1 meter in width, making it an impressive addition to any garden or landscape.
Care Guide
Ambrosia Chamissonis is a relatively easy plant to care for, but it still requires some attention to thrive. Here are some tips to help you care for your Silver Bur Ragweed:
- Water: Water your plant regularly, but make sure to avoid overwatering. The soil should be moist but not waterlogged.
- Fertilization: Fertilize your plant once a month during the growing season with a balanced fertilizer.
- Soil: Ambrosia Chamissonis prefers well-draining soil that is rich in organic matter.
- Sunlight: This plant thrives in full sun but can also tolerate partial shade.
- Hardiness Zones: Ambrosia Chamissonis is hardy in USDA zones 7-10.
Common Pests & Diseases
Ambrosia Chamissonis is relatively pest and disease-resistant, but it can still be affected by some common issues. Here are some of the most common pests and diseases that affect Silver Bur Ragweed:
- Aphids: These small insects can damage the plant by sucking sap from its leaves. Use insecticidal soap to control them.
- Spider Mites: These tiny pests can cause leaves to become discolored and dry. Use a miticide to control them.
- Powdery Mildew: This fungal disease causes a white, powdery coating to form on the leaves. Use a fungicide to control it.
Habitat
Ambrosia Chamissonis is native to North America and is commonly found in the western United States, particularly in California. It grows in a variety of habitats, including coastal scrub, grasslands, and open woodlands. The plant prefers well-draining soil and can tolerate drought conditions.
Question and Answer
Here are some commonly asked questions about Ambrosia Chamissonis:
Q: Is Ambrosia Chamissonis a good plant for landscaping?
A: Yes, Ambrosia Chamissonis is a great plant for landscaping. It has a unique appearance and is relatively easy to care for.Q: Can Ambrosia Chamissonis be grown indoors?
A: No, Ambrosia Chamissonis is an outdoor plant that requires full sun to thrive.Q: How often should I fertilize my Ambrosia Chamissonis plant?
A: Fertilize your plant once a month during the growing season with a balanced fertilizer.Q: What is the hardiness zone for Ambrosia Chamissonis?
A: Ambrosia Chamissonis is hardy in USDA zones 7-10.
Related Plants
If you’re interested in Ambrosia Chamissonis, you may also enjoy these related plants:
- Ambrosia artemisiifolia (Common Ragweed)
- Ambrosia trifida (Giant Ragweed)
- Ambrosia psilostachya (Western Ragweed)
References
- https://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Ambrosia+chamissonis
- https://davesgarden.com/guides/pf/go/77621/
- https://www.gardeningknowhow.com/ornamental/flowers/ragweed/silver-bur-ragweed.htm
