Contents
Description
Canadanthus, also known as Canadian fleabane, is a genus of flowering plants in the aster family, Asteraceae. This genus consists of around 20 species that are native to North America, particularly in the United States and Canada. The name “fleabane” comes from the plant’s traditional use as a flea repellent.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Canadanthus |
Appearance
Canadanthus plants typically grow up to 2-3 feet tall and spread up to 1-2 feet wide. They have slender stems with narrow leaves that are usually 3-4 inches long. The flowers are small and daisy-like, with white or pink petals surrounding a yellow center. They bloom from mid-summer to fall, attracting bees and butterflies to the garden.
Care Guide
Canadanthus plants are relatively easy to care for and require minimal maintenance. Here are some tips on how to care for them:
- Water: Canadanthus plants prefer moist soil but can tolerate short periods of drought. Water them deeply once a week, or more frequently during hot and dry weather.
- Fertilization: Fertilize Canadanthus plants once a month during the growing season with a balanced fertilizer.
- Soil: Canadanthus plants prefer well-draining soil that is rich in organic matter.
- Sunlight: Canadanthus plants prefer full sun, but can tolerate partial shade.
- Hardiness Zones: Canadanthus plants are hardy in USDA zones 4-9.
Common Pests & Diseases
Canadanthus plants are relatively resistant to pests and diseases. However, they can still be affected by some common garden problems, including:
- Aphids: These small insects suck sap from the plant, causing stunted growth and distorted leaves. Use insecticidal soap or neem oil to control them.
- Spider mites: These tiny pests can cause yellowing and bronzing of the leaves. Use insecticidal soap or neem oil to control them.
- Powdery mildew: This fungal disease causes a white powdery coating on the leaves. Improve air circulation and avoid overhead watering to prevent it.
Habitat
Canadanthus plants are native to North America and can be found in a variety of habitats, including meadows, fields, and roadsides. They prefer moist soil and full sun.
Question and Answer
Q: Are Canadanthus plants toxic to pets?
A: No, Canadanthus plants are not toxic to pets.
Q: Can Canadanthus plants be grown in containers?
A: Yes, Canadanthus plants can be grown in containers as long as the container is large enough and has good drainage.
Q: How often should I prune my Canadanthus plants?
A: Prune Canadanthus plants in early spring before new growth appears. Cut back the stems by one-third to encourage bushier growth.
Q: Can Canadanthus plants tolerate frost?
A: Yes, Canadanthus plants are hardy in USDA zones 4-9 and can tolerate frost.
Related Plants
- Achillea millefolium (yarrow)
- Echinacea purpurea (purple coneflower)
- Coreopsis verticillata (threadleaf coreopsis)
- Rudbeckia hirta (black-eyed Susan)
References
- “Canadanthus.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=292878. Accessed 2 May 2021.
- “Canadian Fleabane (Conyza canadensis).” Ontario’s Invading Species Awareness Program, www.invadingspecies.com/canadian-fleabane/. Accessed 2 May 2021.
- “Conyza canadensis.” USDA Plants Database, plants.usda.gov/core/profile?symbol=COCAN2. Accessed 2 May 2021.
