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Description
Oenothera Nuttallii, commonly known as Nuttall’s evening primrose, is a flowering plant belonging to the Onagraceae family. It is native to North America and can be found in various habitats, including prairies, meadows, and open woodlands. The plant is known for its fragrant yellow flowers that bloom from May to July.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Nuttallii can grow up to 3 feet tall and has a spread of 1 to 2 feet. The plant has a deep taproot and green leaves that are lance-shaped and up to 6 inches long. The flowers are bright yellow and four-petaled, with a diameter of 2 to 3 inches. The blooms open at night and close during the day, attracting moths and other pollinators.
Care Guide
Oenothera Nuttallii is a hardy plant and requires minimal care. It prefers well-draining soil and full sun exposure. Water the plant once a week during the growing season and fertilize it with a balanced fertilizer every two weeks. The plant is hardy in USDA zones 5 to 8.
Common Pests & Diseases
Oenothera Nuttallii is relatively pest and disease-free. However, it may be susceptible to rust, crown rot, and leaf spots. These issues can be prevented by ensuring proper drainage and avoiding overwatering.
Habitat
Oenothera Nuttallii is native to North America and can be found in various habitats, including prairies, meadows, and open woodlands. The plant is tolerant of drought and can grow in poor soil conditions.
Question and Answer
Q: When do the flowers of Oenothera Nuttallii bloom?
A: The flowers of Oenothera Nuttallii bloom from May to July.
Q: What is the hardiness zone of Oenothera Nuttallii?
A: Oenothera Nuttallii is hardy in USDA zones 5 to 8.
Q: What type of soil does Oenothera Nuttallii prefer?
A: Oenothera Nuttallii prefers well-draining soil.
Q: Is Oenothera Nuttallii susceptible to pests and diseases?
A: Oenothera Nuttallii is relatively pest and disease-free, but it may be susceptible to rust, crown rot, and leaf spots.
Related Plants
- Oenothera biennis
- Oenothera fruticosa
- Oenothera macrocarpa
- Oenothera speciosa
References
- “Oenothera Nuttallii.” Missouri Botanical Garden. Accessed August 10, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c550.
- “Oenothera Nuttallii.” Plant Finder. Accessed August 10, 2021. https://www.plantdelights.com/products/oenothera-nuttallii.
- “Nuttall’s Evening Primrose.” USDA Plants Database. Accessed August 10, 2021. https://plants.usda.gov/core/profile?symbol=OENU.
