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Description
Tridens strictus, also known as tall tridens or purpletop tridens, is a perennial grass that is native to North America. It is a member of the Poaceae family and is commonly found in open woods, prairies, and along roadsides. This grass can grow up to six feet tall and has attractive seed heads that turn purple when mature.
Taxonomic Information
| Domain: | Eukarya |
| Kingdom: | Plantae |
| Phylum: | Angiosperms |
| Class: | Monocots |
| Order: | Poales |
| Family: | Poaceae |
| Genus: | Tridens |
Appearance
Tridens strictus has long, narrow leaves that are green and have a rough texture. The stems are tall and thin, and can grow up to six feet tall. The seed heads are purple and appear in late summer or early fall. The seeds are small and brown, and are a food source for birds and small mammals.
Care Guide
Tridens strictus is a hardy plant that can tolerate a variety of conditions. Here are some tips for caring for this plant:
- Water: Tridens strictus prefers well-draining soil and does not require excessive watering. Water the plant deeply once a week, or as needed during periods of drought.
- Fertilization: This plant does not require fertilization, but a light application of a balanced fertilizer in the spring can help promote growth.
- Soil: Tridens strictus prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including clay and sandy soil.
- Sunlight: This plant thrives in full sun, but can also tolerate partial shade.
- Hardiness Zones: Tridens strictus can grow in USDA hardiness zones 4-9.
Common Pests & Diseases
Tridens strictus is generally resistant to pests and diseases. However, it can be susceptible to fungal diseases such as rust and leaf spot. These diseases can be prevented by ensuring that the plant has good air circulation and is not overwatered. Some common pests that may affect this plant include grasshoppers and aphids. These pests can be controlled with insecticidal soap or by introducing natural predators like ladybugs.
Habitat
Tridens strictus is native to North America and can be found in a variety of habitats, including open woods, prairies, and along roadsides. It is a hardy plant that can tolerate a wide range of growing conditions, including drought and poor soil. This plant is an important food source for birds and small mammals, and is often used in prairie restoration projects.
Question and Answer
Q: Can Tridens strictus be grown in containers?
A: While Tridens strictus can be grown in containers, it is not recommended as the plant can grow quite tall and requires a lot of space.
Q: How often does Tridens strictus need to be fertilized?
A: Tridens strictus does not require fertilization, but a light application of a balanced fertilizer in the spring can help promote growth.
Q: Is Tridens strictus a good plant for erosion control?
A: Yes, Tridens strictus is an excellent plant for erosion control. Its deep roots help to stabilize soil and prevent erosion.
Q: Can Tridens strictus be grown in wet soil?
A: Tridens strictus prefers well-draining soil and does not tolerate wet soil. It can, however, tolerate periods of drought.
Related Plants
- Tridens flavus (purpletop tridens)
- Tridens muticus (slender tridens)
- Tridens pilosus (three-awned grass)
References
- “Tridens strictus.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281545&isprofile=0&basic=tridens%20strictus
- “Tridens strictus.” USDA Plants Database. https://plants.usda.gov/core/profile?symbol=TRST2
- Bonar, R. L. (2003). “Tridens strictus.” Fire Effects Information System. https://www.fs.fed.us/database/feis/plants/graminoid/tristr/all.html
