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Description
Tanacetum Macrophyllum, commonly known as Bigleaf Tansy, is a perennial herbaceous plant that belongs to the Asteraceae family. It is native to the mountainous regions of western North America, including Alaska, California, Idaho, Montana, Oregon, and Washington. Bigleaf Tansy has been traditionally used by Native American tribes for medicinal purposes, such as treating fever, colds, and headaches.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Tanacetum |
Appearance
Bigleaf Tansy typically grows up to 3 feet tall and 2 feet wide. It has large, deeply lobed, and aromatic leaves that can reach up to 12 inches in length. The leaves are gray-green in color and covered with soft hairs. The plant produces clusters of small, yellow, button-like flowers that bloom in mid-summer to early fall. The flowers are held on strong stems and attract bees and butterflies.
Care Guide
Bigleaf Tansy is a low-maintenance plant that requires minimal care.Water: The plant prefers well-draining soil and moderate watering. It should be watered regularly during the growing season but not over-watered.Fertilization: Bigleaf Tansy does not require fertilization, but it can benefit from a light application of balanced fertilizer in the spring.Soil: The plant thrives in well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including sandy, loamy, and clay soils.Sunlight: Bigleaf Tansy prefers full sun to partial shade. It can tolerate some shade, but too much shade can lead to leggy growth and reduced flowering.Hardiness Zones: The plant is hardy in USDA zones 4 to 8.
Common Pests & Diseases
Bigleaf Tansy is relatively pest and disease-free. However, it can be susceptible to powdery mildew and rust if grown in humid conditions. To prevent these diseases, avoid overhead watering and provide good air circulation around the plant.
Habitat
Bigleaf Tansy is native to the mountainous regions of western North America. It can be found in open woods, meadows, and along streams and roadsides. The plant prefers well-draining soil and full sun to partial shade.
Question and Answer
Q: Is Bigleaf Tansy deer-resistant?
A: Yes, Bigleaf Tansy is deer-resistant due to its strong fragrance and bitter taste.
Q: Can Bigleaf Tansy be grown in containers?
A: Yes, Bigleaf Tansy can be grown in containers as long as they have good drainage and sufficient space for the plant to grow.
Q: How often should Bigleaf Tansy be fertilized?
A: Bigleaf Tansy does not require frequent fertilization. A light application of balanced fertilizer in the spring is sufficient.
Q: Does Bigleaf Tansy attract pollinators?
A: Yes, Bigleaf Tansy attracts bees and butterflies with its yellow, button-like flowers.
Related Plants
- Tanacetum cinerariifolium (Dalmatian Pyrethrum)
- Tanacetum parthenium (Feverfew)
- Tanacetum vulgare (Common Tansy)
References
- “Tanacetum macrophyllum,” Missouri Botanical Garden, accessed September 2021, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=f390.
- “Bigleaf Tansy,” High Country Gardens, accessed September 2021, https://www.highcountrygardens.com/perennial-plants/tanacetum/tanacetum-macrophyllum.
- “Tanacetum macrophyllum,” Plant Database, accessed September 2021, https://pfaf.org/user/Plant.aspx?LatinName=Tanacetum+macrophyllum.
